Bitcoin Core

Groestlcoin 6th Anniversary Release

Introduction

Dear Groestlers, it goes without saying that 2020 has been a difficult time for millions of people worldwide. The groestlcoin team would like to take this opportunity to wish everyone our best to everyone coping with the direct and indirect effects of COVID-19. Let it bring out the best in us all and show that collectively, we can conquer anything.
The centralised banks and our national governments are facing unprecedented times with interest rates worldwide dropping to record lows in places. Rest assured that this can only strengthen the fundamentals of all decentralised cryptocurrencies and the vision that was seeded with Satoshi's Bitcoin whitepaper over 10 years ago. Despite everything that has been thrown at us this year, the show must go on and the team will still progress and advance to continue the momentum that we have developed over the past 6 years.
In addition to this, we'd like to remind you all that this is Groestlcoin's 6th Birthday release! In terms of price there have been some crazy highs and lows over the years (with highs of around $2.60 and lows of $0.000077!), but in terms of value– Groestlcoin just keeps getting more valuable! In these uncertain times, one thing remains clear – Groestlcoin will keep going and keep innovating regardless. On with what has been worked on and completed over the past few months.

UPDATED - Groestlcoin Core 2.18.2

This is a major release of Groestlcoin Core with many protocol level improvements and code optimizations, featuring the technical equivalent of Bitcoin v0.18.2 but with Groestlcoin-specific patches. On a general level, most of what is new is a new 'Groestlcoin-wallet' tool which is now distributed alongside Groestlcoin Core's other executables.
NOTE: The 'Account' API has been removed from this version which was typically used in some tip bots. Please ensure you check the release notes from 2.17.2 for details on replacing this functionality.

How to Upgrade?

Windows
If you are running an older version, shut it down. Wait until it has completely shut down (which might take a few minutes for older versions), then run the installer.
OSX
If you are running an older version, shut it down. Wait until it has completely shut down (which might take a few minutes for older versions), run the dmg and drag Groestlcoin Core to Applications.
Ubuntu
http://groestlcoin.org/forum/index.php?topic=441.0

Other Linux

http://groestlcoin.org/forum/index.php?topic=97.0

Download

Download the Windows Installer (64 bit) here
Download the Windows Installer (32 bit) here
Download the Windows binaries (64 bit) here
Download the Windows binaries (32 bit) here
Download the OSX Installer here
Download the OSX binaries here
Download the Linux binaries (64 bit) here
Download the Linux binaries (32 bit) here
Download the ARM Linux binaries (64 bit) here
Download the ARM Linux binaries (32 bit) here

Source

ALL NEW - Groestlcoin Moonshine iOS/Android Wallet

Built with React Native, Moonshine utilizes Electrum-GRS's JSON-RPC methods to interact with the Groestlcoin network.
GRS Moonshine's intended use is as a hot wallet. Meaning, your keys are only as safe as the device you install this wallet on. As with any hot wallet, please ensure that you keep only a small, responsible amount of Groestlcoin on it at any given time.

Features

Download

iOS
Android

Source

ALL NEW! – HODL GRS Android Wallet

HODL GRS connects directly to the Groestlcoin network using SPV mode and doesn't rely on servers that can be hacked or disabled.
HODL GRS utilizes AES hardware encryption, app sandboxing, and the latest security features to protect users from malware, browser security holes, and even physical theft. Private keys are stored only in the secure enclave of the user's phone, inaccessible to anyone other than the user.
Simplicity and ease-of-use is the core design principle of HODL GRS. A simple recovery phrase (which we call a Backup Recovery Key) is all that is needed to restore the user's wallet if they ever lose or replace their device. HODL GRS is deterministic, which means the user's balance and transaction history can be recovered just from the backup recovery key.

Features

Download

Main Release (Main Net)
Testnet Release

Source

ALL NEW! – GroestlcoinSeed Savior

Groestlcoin Seed Savior is a tool for recovering BIP39 seed phrases.
This tool is meant to help users with recovering a slightly incorrect Groestlcoin mnemonic phrase (AKA backup or seed). You can enter an existing BIP39 mnemonic and get derived addresses in various formats.
To find out if one of the suggested addresses is the right one, you can click on the suggested address to check the address' transaction history on a block explorer.

Features

Live Version (Not Recommended)

https://www.groestlcoin.org/recovery/

Download

https://github.com/Groestlcoin/mnemonic-recovery/archive/master.zip

Source

ALL NEW! – Vanity Search Vanity Address Generator

NOTE: NVidia GPU or any CPU only. AMD graphics cards will not work with this address generator.
VanitySearch is a command-line Segwit-capable vanity Groestlcoin address generator. Add unique flair when you tell people to send Groestlcoin. Alternatively, VanitySearch can be used to generate random addresses offline.
If you're tired of the random, cryptic addresses generated by regular groestlcoin clients, then VanitySearch is the right choice for you to create a more personalized address.
VanitySearch is a groestlcoin address prefix finder. If you want to generate safe private keys, use the -s option to enter your passphrase which will be used for generating a base key as for BIP38 standard (VanitySearch.exe -s "My PassPhrase" FXPref). You can also use VanitySearch.exe -ps "My PassPhrase" which will add a crypto secure seed to your passphrase.
VanitySearch may not compute a good grid size for your GPU, so try different values using -g option in order to get the best performances. If you want to use GPUs and CPUs together, you may have best performances by keeping one CPU core for handling GPU(s)/CPU exchanges (use -t option to set the number of CPU threads).

Features

Usage

https://github.com/Groestlcoin/VanitySearch#usage

Download

Source

ALL NEW! – Groestlcoin EasyVanity 2020

Groestlcoin EasyVanity 2020 is a windows app built from the ground-up and makes it easier than ever before to create your very own bespoke bech32 address(es) when whilst not connected to the internet.
If you're tired of the random, cryptic bech32 addresses generated by regular Groestlcoin clients, then Groestlcoin EasyVanity2020 is the right choice for you to create a more personalised bech32 address. This 2020 version uses the new VanitySearch to generate not only legacy addresses (F prefix) but also Bech32 addresses (grs1 prefix).

Features

Download

Source

Remastered! – Groestlcoin WPF Desktop Wallet (v2.19.0.18)

Groestlcoin WPF is an alternative full node client with optional lightweight 'thin-client' mode based on WPF. Windows Presentation Foundation (WPF) is one of Microsoft's latest approaches to a GUI framework, used with the .NET framework. Its main advantages over the original Groestlcoin client include support for exporting blockchain.dat and including a lite wallet mode.
This wallet was previously deprecated but has been brought back to life with modern standards.

Features

Remastered Improvements

Download

Source

ALL NEW! – BIP39 Key Tool

Groestlcoin BIP39 Key Tool is a GUI interface for generating Groestlcoin public and private keys. It is a standalone tool which can be used offline.

Features

Download

Windows
Linux :
 pip3 install -r requirements.txt python3 bip39\_gui.py 

Source

ALL NEW! – Electrum Personal Server

Groestlcoin Electrum Personal Server aims to make using Electrum Groestlcoin wallet more secure and more private. It makes it easy to connect your Electrum-GRS wallet to your own full node.
It is an implementation of the Electrum-grs server protocol which fulfils the specific need of using the Electrum-grs wallet backed by a full node, but without the heavyweight server backend, for a single user. It allows the user to benefit from all Groestlcoin Core's resource-saving features like pruning, blocks only and disabled txindex. All Electrum-GRS's feature-richness like hardware wallet integration, multi-signature wallets, offline signing, seed recovery phrases, coin control and so on can still be used, but connected only to the user's own full node.
Full node wallets are important in Groestlcoin because they are a big part of what makes the system be trust-less. No longer do people have to trust a financial institution like a bank or PayPal, they can run software on their own computers. If Groestlcoin is digital gold, then a full node wallet is your own personal goldsmith who checks for you that received payments are genuine.
Full node wallets are also important for privacy. Using Electrum-GRS under default configuration requires it to send (hashes of) all your Groestlcoin addresses to some server. That server can then easily spy on your transactions. Full node wallets like Groestlcoin Electrum Personal Server would download the entire blockchain and scan it for the user's own addresses, and therefore don't reveal to anyone else which Groestlcoin addresses they are interested in.
Groestlcoin Electrum Personal Server can also broadcast transactions through Tor which improves privacy by resisting traffic analysis for broadcasted transactions which can link the IP address of the user to the transaction. If enabled this would happen transparently whenever the user simply clicks "Send" on a transaction in Electrum-grs wallet.
Note: Currently Groestlcoin Electrum Personal Server can only accept one connection at a time.

Features

Download

Windows
Linux / OSX (Instructions)

Source

UPDATED – Android Wallet 7.38.1 - Main Net + Test Net

The app allows you to send and receive Groestlcoin on your device using QR codes and URI links.
When using this app, please back up your wallet and email them to yourself! This will save your wallet in a password protected file. Then your coins can be retrieved even if you lose your phone.

Changes

Download

Main Net
Main Net (FDroid)
Test Net

Source

UPDATED – Groestlcoin Sentinel 3.5.06 (Android)

Groestlcoin Sentinel is a great solution for anyone who wants the convenience and utility of a hot wallet for receiving payments directly into their cold storage (or hardware wallets).
Sentinel accepts XPUB's, YPUB'S, ZPUB's and individual Groestlcoin address. Once added you will be able to view balances, view transactions, and (in the case of XPUB's, YPUB's and ZPUB's) deterministically generate addresses for that wallet.
Groestlcoin Sentinel is a fork of Groestlcoin Samourai Wallet with all spending and transaction building code removed.

Changes

Download

Source

UPDATED – P2Pool Test Net

Changes

Download

Pre-Hosted Testnet P2Pool is available via http://testp2pool.groestlcoin.org:21330/static/

Source

submitted by Yokomoko_Saleen to groestlcoin [link] [comments]

College Education Resources

Not a complete list, but somewhere to start
United States
submitted by chrisknight1985 to cybersecurity [link] [comments]

The importance of being mindful of security at all times - nearly everyone is one breach away from total disaster

This is a long one - TL;DR at the end!

If you haven't heard yet: BlankMediaGames, makers of Town of Salem, have been breached which resulted in almost 8 million accounts being leaked. For most people, the first reaction is "lol so what it's just a game, why should I really care?" and that is the wrong way to look at it. I'd like to explain why everyone should always care whenever they are part of a breach. I'd also like to talk about some ways game developers - whether they work solo or on a team - can take easy steps to help protect themselves and their customers/players.
First I'd like to state that there is no practical way to achieve 100% solid security to guarantee you'll never be breached or part of a breach. The goal here will be to get as close as possible, or comfortable, so that you can rest easy knowing you can deal with problems when they occur (not if, when).

Why You Should Care About Breaches

The sad reality is most people re-use the same password everywhere. Your email account, your bank account, your steam account, your reddit account, random forums and game websites - you get the idea. If you haven't pieced it together yet the implication is that if anyone gets your one password you use everywhere, it's game over for you - they now own all of your accounts (whether or not they know it yet). Keep in mind that your email account is basically the holy grail of passwords to have. Most websites handle password changes/resets through your email; thus anyone who can login to your email account can get access to pretty much any of your accounts anywhere. Game over, you lose.

But wait, why would anyone want to use my password? I'm nobody!

It doesn't matter, the bad guys sell this information to other bad guys. Bots are used to make as much use of these passwords as possible. If they can get into your bank they might try money transfers. If they get into your Amazon account they might spin up $80,000 worth of servers to mine Bitcoin (or whatever coin is popular at the time). They don't care who you are; it's all automated.
By the way, according to this post (which looks believable enough to be real) this is pretty much how they got into the BMG servers initially. They checked for usernames/emails of admins on the BMG website(s) in previous breach dumps (of which there are many) and found at least one that used the same password on other sites - for their admin account!
If you want to see how many of your accounts are already breached check out Have I Been Pwned - I recommend registering all of your email addresses as well so you get notified of future breaches. This is how I found out about the Town of Salem breach, myself.

How You Can Protect Yourself

Before I go into all the steps you can (and should) take to protect yourself I should note that security is in a constant tug of war with convenience. What this means is that the more security measures you apply the more inconvenienced you become for many tasks. It's up to you to decide how much is too much either way.
First of all I strongly recommend registering your email(s) on https://haveibeenpwned.com/ - this is especially important if your email address is associated to important things like AWS, Steam developer account, bank accounts, social media, etc. You want to know ASAP when an account of yours is compromised so you can take steps to prevent or undo damage. Note that the bad guys have a head start on this!

Passwords

You probably need to have better password hygiene. If you don't already, you need to make sure every account you have uses a different, unique, secure password. You should change these passwords at least once a year. Depending on how many accounts you have and how good your memory is, this is your first big security vs convenience trade-off battle. That's easily solved, though, by using a password manager. You can find a list of password managers on Wikipedia here or you can search around for some comparison articles.
Some notable choices to consider:
Regardless of which one you choose, any of them is 100x better than not using one at all.

Multi-Factor Authentication / Two-Factor Authentication (aka MFA / 2FA)

The problem with all these passwords is that someone can still use them if they are found in a breach. Your passwords are only as strong as the website you use them on. In the case of the BMG breach mentioned above - all passwords were stored in an ancient format which has been insecure for years. It's likely that every single password in the breach can be reversed/cracked, or already have been. The next step you need to take is to make it harder for someone else to login with your password. This is done using Multi-Factor Authentication (or Two-Factor Authentication).
Unfortunately not every website/service supports MFA/2FA, but you should still use it on every single one that does support it. You can check which sites support MFA/2FA here or dig around in account options on any particular site. You should setup MFA/2FA on your email account ASAP! If it's not supported, you need to switch to a provider that does support it. This is more important than your bank account! All of the big email providers support it: GMail, Outlook.com, Yahoo Mail, etc.
The type of MFA/2FA you use depends on what is supported by each site/service, but there is a common approach that is compatible on many of them. Most of them involve phone apps because a phone is the most common and convenient "thing you have" that bad guys (or anyone, really) can't access easily. Time-based One-time Password or TOTP is probably the most commonly used method because it's easy to implement and can be used with many different apps. Google Authenticator was the first popular one, but it has some limitations which continue the security vs convenience battle - namely that getting a new phone is a super huge chore (no backup/restore option - you have to disable and setup each site all over again). Many alternatives support cloud backup which is really convenient, though obviously less secure by some measure.
Notable choices to consider:
Some sites/services use their own app, like Blizzard (battle.net) and Steam, and don't allow you to use other ones. You will probably have a few apps on your phone when all your accounts are setup, but it's worth it. You'll definitely want to enable it on your password manager as well if you chose a cloud-based one.
Don't forget to save backup codes in an actual secure location! If you lose your backup codes and your auth app/physical key you will be locked out of accounts. It's really not fun recovering in that situation. Most recommendations are to print them and put in a fireproof safe, but using some other secure encrypted storage is fine.
There is such a thing as bad MFA/2FA! However, anything is at least better than nothing. A lot of places still use SMS (text messaging) or e-mail for their MFA/2FA implementation. The e-mail one has the most obvious flaw: If someone gets into your email account they have defeated that security measure. The SMS flaws are less obvious and much less likely to affect you, but still a risk: SMS is trivial to intercept (capture data over the air (literally), clone your SIM card data, and some other methods). Still, if you're not a person of interest already, it's still better than nothing.

What Does This Have To Do With GameDev?

Yeah, I do know which subreddit I'm posting in! Here's the section that gets more into things specific to game development (or software development in general).

Secure Your Code

Securing your code actually has multiple meanings here: Securing access to your code, and ensuring your code itself is secure against exploitation. Let's start with access since that's the easier topic to cover!
If you're not already using some form of Source Control Management (SCM) you really need to get on board! I'm not going to go in depth on that as it's a whole other topic to itself, but I'll assume you are using Git or Mercurial (hg) already and hosting it on one of these sites (or a similar one):
First, ensure that you have locked down who can access this code already. If you are using private repositories you need to make sure that the only people who have access are the people who need access (i.e. yourself and your team). Second, everyone should have strong passwords and MFA/2FA enabled on their accounts. If 1 person on the team does not follow good security practices it puts your whole project at risk! So make sure everyone on the team is following along. You can also look into tools to do some auditing and even automate it so that if anyone's account becomes less secure over time (say they turned off MFA one day) they would automatically lose their access.
Additionally you should never commit secrets (passwords, API keys, tokens, social security numbers, etc) to your code repository. Probably 90% of cases where people have their AWS/Google Cloud/Azure accounts compromised and racking up huge bills for bitcoin mining is due to having their passwords/keys stored in their git repo. They either accidentally made it public or someone got access to the private repo through a compromised account. Never store sensitive information in your code repository!
Next topic: Securing your code from vulnerabilities. This one is harder to talk about for game dev as most engines/frameworks are not as susceptible (for lack of a better word) to these situations as others. In a nutshell, you need to keep track of the following:
A lot of these things cannot be solved automatically, unfortunately, but some of it can. If you are using Javascript for your game you likely will be using packages from npm - luckily they (recently) added security auditing for packages. For other languages you can look at tools like Snyk or some other alternatives to audit the libraries you use in your project. Unfortunately none that I know of are aimed at game dev in particular, but it's still important to use these tools when you can. In general, be aware of all of your code dependencies and what impact they can have on your game or your customers if there are security bugs. Impact can range from "can cheat in multiplayer" to "can get IP addresses of all players in the world" or even "can get all information I ever put on my server", etc.
In general you'll want to look into Secure Software Development Lifecycle (commonly SDLC) practices. Microsoft has some information on how they do it.

Secure Your Computer

I'm not going to go in depth on this one because at this point everyone should have a handle on this; if not there are limitless articles, blogs, and videos about the how/what/why. In summary: Keep everything updated, and don't open suspicious links.

Secure Your Website

I will have to add more to this later probably, but again there are tons of good articles, blogs, and videos on these topics. Hopefully the information in this section is enough to get you on the right track - if not feel free to ask for more info. Lots of guides can be found on Digital Ocean's site and they are relevant even if you don't use DO for your servers.
A lot of this will apply to your game servers as well - really any kind of server you expect to setup.

That's it, for now

I ran out of steam while typing this all up after a couple hours, but I may revisit it later to add more info. Feel free to ask any questions about any of these topics and I'll do my best to answer them all.

TL;DR (y u words so much??)

... in general... in general... in general... I sure wrote those 2 words a lot.

Why Should I Trust This Post?

Hopefully I have provided enough information and good links in this post that you can trust the contents to be accurate (or mostly accurate). There is certainly enough information to do some searches on your own to find out how right or wrong I might be about these things.
If you want my appeal to authority answer: I've been working at a major (network/computer) security company for almost 7 years as a software developer, and I've had to put up with pretty much every inconvenience brought on by security. I've also witnessed the aftermath of nearly every type of security failure covered in this post, via customers and the industry at large. None of the links I used are related to my employer or its products.
Edit: Fixed some typos and added some more links
More edit: added a few more points and links
submitted by exoplasm to gamedev [link] [comments]

Paramountdax Exchange — The first OTC (over-the-counter) crypto trading desk in Europe

Paramountdax Exchange — The first OTC (over-the-counter) crypto trading desk in Europe


The majority of crypto exchanges today provide only the basic features — such as buy and sell order — which are not good enough for traders who want to implement order limits and stop loss orders.
The trading fee on traditional crypto exchanges is very high. With each trade you make, the specific percentage of your order activity is deducted as exchange commission for the trade even if you are in loss.
By providing OTC trading, ParamountDax proves out that it is not only the exchange for the community but that it could serve institutional traders or the so-called whales as well.
It provides a layer of insulation and security during the buy and sell processes so that the parties involved aren’t buffeted by the market fluctuations while the transaction is taking place.
OTC Trading on ParamountDax
The ParamountDax exchange also features stop-limit options.
They minimize your loss and maximize your stop and limit orders to help ensure you lock in your profits and stem the risk when your respective profit and risk targets are met.
To start trading, you would need transfer funds from your Main account to your Trading account. Just hit a blue arrow between the accounts. Specify the necessary amount and click “Transfer”.
Before starting buying or selling OTC, the quite simple steps to follow are required
In order to login to the ParamountDax website, a user won’t be allowed simply through a ‘login + password’ access type. ParamountDax will enforce a secure 2FA protection for the client. By default, weak 2FA like OTP/Google Authenticator / SMS won’t be authorized or will be only temporarily permitted, since these methods are vulnerable to phishing attacks.
In order to ensure the password meant as strong and difficult to guess as possible, users are allowed to generate current excess code that exceed the minimum of 8 characters.
Moreover, passwords have to be a combination of case sensitive letters, numbers, and special symbols.
If you are placing an ad to sell Bitcoins or other cryptocurrencies you will have to deposit the amount you are selling in an escrow portfolio. After both parties agree, the amount will be released and both parties will receive their fiat tokens /currency respectively.

Benefits of trading at ParamountDax OTC

You have many advantages while using our API and our goal is to keep improving. Our developers and product managers have many years of expertise with financial software. Their deep experience in the trading world is the very thing which allows us to give you software and features that are well thought out and focus on finding the best solutions for traders.
We’re working hard to bring you the best trading experience. There are some awesome features we’ve been working on. Not to pat ourselves on the back, but many of our competitors have not offered these options yet. At the same time we have found they are helpful while using your own software to trade.
In order to solve the liquidity issue and allow users to instantly trade their digital assets, ParamountDax will be adding its order book to a collective pool server — an order book shared among various crypto exchanges.
We aspire to allow brokers to trade with each other via a dealer network. The OTC feature allows large crypto assets sale and purchase with no need for a lawyer as the exchange is regulated, therefore it makes institutional trading easy for customers.
ParamountDax commission for OTC trading equals to 0,5%. In case of conflict between Traders, users can upload any proof of payment documents on OTC platform to clarify the proper position.
We follow the two-way approach to ensure the security of both users and the exchange.
For every new withdrawal, users need to validate their IP address through the registered email.
As a special bonus, ParamountDAX OTC gives opportunity for traders to negotiate using the private chat which is immediately created when trade process starts.
ParamountDax is the intermediary and offers protection against ill-intentioned users.
We have been getting awesome feedback from you, guys, however if there are some more improvements to our software to help you along, do please get in touch!
Website : https://paramountdax.io/
View MVP : https://staging.paramountdax.com
ParamountDax community :
Telegram : https://t.me/ParamountDaxICO
Twitter : https://twitter.com/ParamountDax
Facebook:https://www.facebook.com/Paramountdax-2024636494500768
Bitcointalk: https://bitcointalk.org/index.php?topic=5137789.0
Reddit: https://www.reddit.com/ParamountDax/
Medium: https://medium.com/@paramountdax
submitted by ParamountDax to ParamountDax [link] [comments]

List of onion email providers in 2019

This is a throwback to the mega Email provider post from July 2017. I figured we should revisit the list and update it for 2019. I already went through and removed anything from the list that was dead.
Below is most of the original thread with a few new things added. The /onions community input is need to help make it even better!
I cannot stress how important it is to use PGP. PGP gives you up to 4096 bits of RSA encryption. When using PGP even the email provider that you are using can't see the contents of your emails. If you need practice, check out /gpgpractice.

Free

danwin1210 - Daniel Winzen's personal site which he offers free public email on. No Javascript.
Mail2Tor - Free, No javascript required.
cock.li - Free, needs JavaScript, has a 27 different email domains to choose from, Vincent Canfield (the owner) has refused to provide access to the US government in the past ( see here and here ).
elude.in - Free, No javascript required, open signup. They run completely on donations.
OnionMail - Free. Has Around ~24 servers. Doesn't require Javascript. List of OnionMail Servers you can sign up on = here
Systemli - Free, invite only
Paranoid - No javaScript. Invite only. Great service to say the least, If the sender doesn't encrypt the email they are sending to you with pgp Paranoid will encrypt it for you using your public key.
bitmessage.ch - Free, Has been around for a while. No javascript required.
VFEmail - Requires JavaScript for registration, keeps logs, has a lot of domains to choose from.
RiseUp - Request Membership. Leftist Political collective, anti-racism, fascism and misogyny.
Protonmail - Free, widely used, requires javascript, hosted in Switzerland.
SecMail - Free
CTemplar - Free, hosted in Iceland.
TorBox - Free, Javascript not needed.
SCRYPTMail - Requires JavaScript. 7-Day free trial.

Paid Only

RayServers - No JavaScript, accepts Bitcoin, Good customer support, keeps only necessary logs (no IPs), competent, VPS hosting, also provides VPNs, prices pending on your needs.
Mailbox - german provider with very low prices, only €1 a month for email and xmpp. No JavaScript required.
Mail City - Don't even bother visiting this site. Their prices are insane.
If you want to connect to the .onion imap/pop3 and smtp servers for these providers in an email client, The TorBirdy Add-on for Thunderbird is an excellent choice that has been DNS leak tested.

Receive email only

Guerilla Mail - Free
TempMailAddress - Free
Why is it important to have email over Tor?
Ask Ross Ulbricht, alleged creator of criminal marketplace Silk Road!
The FBI caught the man accused of creating Silk Road -- the shadowy e-commerce site it describes as "the most sophisticated and extensive criminal marketplace on the Internet today" -- after he allegedly posted his Gmail address online, according to court documents.
Why is it important to disable JavaScript?
Ask the creator of Freedomhosting who is now serving life in prison!
News reports linked Firefox browser vulnerability to a United States Federal Bureau of Investigation (FBI) operation targeting Freedom Hosting's owner, Eric Eoin Marques. In August 2013, it was discovered that the Firefox browsers in many older versions of the Tor Browser Bundle were vulnerable to a JavaScript attack, as NoScript was not enabled by default
Please comment below if you know any others that I haven't listed and I will add them to the list. Once this list is finalized, I will be putting it into the /onions wiki in an entire Email section. Thanks!
submitted by DrinkMoreCodeMore to onions [link] [comments]

Verge Currency Beginner's Guide

Verge Currency Beginner's Guide
A short Background
2008 was the worst financial crisis the world had experience since the great depression. The efforts of banks worldwide were not enough to prevent its occurrence. Shortly after, someone by the name of Satoshi Nakamoto offered an alternative solution. A digital currency that removes the need for a central bank. His proposal written in the Bitcoin white paper, is summarized below:
  • A secure, decentralized network.
  • A system with economic properties.
  • No need for banks or rule makers.
  • Instant transactions without a need of a third party or government approval.
  • Bringing financial services to the unbanked 2.5 billion people.
  • Total financial freedom. No one can freeze your accounts.
  • Low transaction costs. No ridiculously high transaction fees.
  • A currency with finite amount where no one can print money whenever they want.
Bitcoin
In 2009, when Satoshi Nakamoto launched Bitcoin, the network consisted of computers (in crypto terms, these are called Nodes) to approve transactions, movements of data along the chain. This allows for everyone willing to become a participant, creating a decentralized global network. Allowing for a decentralized currency, free of the control of politicians, or institutions.
The rules can only be changed if 51% of the network agrees on it. This way the network is completely democratized and resistant to hacking attacks.
Unlike today’s financial institutions, no one can freeze your account or prevent you sending money. You are the only person who truly holds your wealth.
It is an open source project. Anyone can see the code and offer or discuss changes with the community. On the other hand, anyone participating to the network with computational power gets incentives or pay, with a fractional amount of BTC.
Blockchain
The core of a secure decentralized network like Bitcoin, lies the Blockchain technology. To put it simply, the blockchain is like a series of Lego, connected to each other by linking information, called transactions. These transactions contain the following data sender, receiver and the unique signature of the sender.
The data will be converted into “hash” before being saved into a block. The bitcoin hash is generated using a set of cryptographic functions called sha256. This way the information is encrypted, is compressed and saved in the block.
Additionally, each block in the chain, contains the information from the block before it. This ensures that if someone tries to maliciously modify information in a block, all the block following this attempt will be changed, making it easier to spot.
Each block includes the information from the previous block. If someone wants to maliciously change the information in one block that change the complete result of all following blocks.
In this type of network there is only one blockchain, and all the information is kept in a public ledger which is shared amongst all the participating networks. For the blockchain to be valid, more than 50% of the participants (nodes and their computational power) must agree with it.
Bitcoin Today (2018)
Until today many, many, events have happened. The network has grown massively. The underlying code is improved in many ways. There are more and more developers and investors that have entered the cryptocurrency space.
Currently there are proposed changes being developed to the Bitcoin network that will make bitcoin rival the centralized networks of today (Visa, Mastercard), while significantly lowering the cost of these transaction.
Many alternative cryptocurrencies have been created along the way, improving some of the aspects of the bitcoin and focusing on certain applications, in the crypto-space, we call them altcoins.
WHY VERGE
The way that Bitcoin function, has severe flaws with regards to privacy:
  • Public Ledger: The transaction information is public, meaning, that transactions can be linked to a person.
  • IP Leakage: A persistent and motivated attacker will be able to associate your IP address with your bitcoin transaction.
Due to the above reasons, it was clear that there would be a need for a privacy coin. Different coins were then created that had this problem in mind. They were ‘too private’ in the sense that they completely by-passed the public ledger. The public ledger allows merchant to provide proof of transactions, which is important for bookkeeping.
Enter Verge Currency, formerly Dogecoindark; which offers transaction on the ledger, both public and private. Allowing the user to choose if the transactions are public or private.
VERGE CURRENCY
2014 saw the birth of Dogecoin Dark; in 2016, it was rebranded to Verge Currency.
Verge improves upon the original Bitcoin blockchain and aims to fulfill its initial purpose of providing individuals and businesses with a fast, efficient and decentralized way of making direct transactions while maintaining your privacy.
What is the Verge Currency Mission?
Verge Currency aims to empower people around the globe using blockchain in everyday life and makes it possible for people to engage in transactions quickly, efficiently and privately. With Verge, business and individuals now have flexible options for sending and receiving payments.
Verge Currency also offer helpful integrations and tools that enable them to handle large scale transactions between merchants and small-scale private payments.
Is Verge Currency a private company and how is it funded?
Following in the spirit of Bitcoin, Verge is an open-source software, and a community. It is not a company, never had an ICO. The development is entirely funded by the community and the developers. Currently Verge is looking into setting up an official Verge merchandise store, and an Official Verge mining pool, for multiple algorithms.
Tech
General technical capabilities of XVG blockchain:
Protocol PoW (Proof of Work)
Algorithms Scrypt, X17, Lyra2rev2, myr-groestl and blake2s
Max Coin Supply 16.5 billion XVG
Circulation Supply 15.2 billion XVG
Minable yes
Atomic Swaps Enabled
Tx (Transaction) Speed 5-10 Seconds
Tps (Transactions per sec.) 100 (Will be ~2000 with RSK)
Tx Fee 0.1 XVG
Privacy Options:
Tor + I2P Networks fully obfuscated IP address / User's Location is hidden
Stealth Addresses It enables users to anonymously receive funds to their wallet. Therefore third parties are no longer able to track receivers addresses, nor are they able to combine official wallet addresses with their stealth addresses.
RING CT Under development
See our blackpaper V5.0 for detailed information.
Development Updates
Marketing Updates

Wallets
Mining

Community
Verge is a community-driven project. The community is the pillar of Verge, from the past to the future, the community built Verge. The community or Vergefam connects everyone from around the world, regardless of cultural background. The common vision is to provide everyone access to financial freedom, and the choice of privacy while transacting.
Below you can find the Verge Telegram communities from around the world;
Official Telegram
🇧🇷 🇵🇹 Brasil/Portugal/
🇨🇦 Canada
🇳🇴 🇸🇪 🇩🇰 Norway/Sweden/Denmark
🇩🇪 🇦🇹 🇨🇭 🇱🇮 Germany/Austria/Switzerland/Liechtenstein
🇵🇹 Portugal
🇪🇸 Spain
🇱🇺 Netherlands
🇹🇷 Turkey
🇫🇷 France
Balkan
🇵🇾 Croatia
🇦🇱 🇽🇰 Albania/Kosovo
🇷🇴 Romania
🇭🇺 Hungary
🇷🇺 Russia
🇮🇳 India
🇲🇾 Malaysia
🇯🇵 Japan
🇰🇷 Korea
🇨🇳 China
🇿🇦 South Africa
🔌Wallet Support
🖥️ Mining support
Mass Adoption
Low fees, quick transactions, high volume in circulation, multiplatform support, Wraith protocol are the ingredients that make Verge perfectly positioned for mass adoption. Transact on the public ledger for everyday purchases or stay private if you wish so.
Getting Started
You can find the matching instructions as below:
See the following useful links:

Official Links
Vergecurrency.com
Verge Team
Roadmap
FAQ
Github
Block Explorer 1
Block Explorer 2
Network Status
Telegram
Twitter
Facebook
Discord
Youtube
Medium
Investfeed
Verge Zendesk
VergeFora
Last Edit: Latest development update links are added to the Tech section.
submitted by Desolatorbtc to vergecurrency [link] [comments]

AuthPaper - Blockchain Based Sistem

AuthPaper - Blockchain Based Sistem

https://preview.redd.it/oqlrsdq3psf31.jpg?width=640&format=pjpg&auto=webp&s=997041a3bca0f9fb460bc401b46b547bd6024505
Delivery of confidential and commercial documents have been relied on physical mailing in the previous decades. Physical mailing allows documents to be delivered confidentially with concrete evidence on delivering / not delivering and current digital delivery solutions failed to do so. Authpaper Delivery uses blockchain to provide a peer-to-peer platform to deliver confidential data with unforgeable delivery records and recipients authentications. Authpaper Delivery is also a platform for users to issue document with unforgeable certifications and this protection works even on the physical document copies. Besides, this platform allows users to deliver huge digital copyright information securely, like movies, software and even system images. Authpaper Delivery combines blockchain, BT, cryptography and other current technologies to build a peer-to-peer digital data delivery platform. All data delivered is confidential except the specified recipients. Data is verified to be unchanged down to every single bit. Operations on the data are properly done and recorded among the peers so that the delivery histories are public verifiable yet unforgeable. Peers are rewarded by delivering the encrypted pieces of digital data and helping to run the platform with good will. In the era of information technology, technology advancements have changed human lives a lot. However, document delivery, especially commercial and important ones, are still following years old methods, physical mailing. Physical mailing takes a lot of time and spends a lot of resources. There are ways to deliver data via digital channels like emails, BitTorrent, instant messaging and centralized servers. However, only physical mailing allows the document to be confidential, provides trustworthy mailing record, and easy to use. Hence, it is still dominant even in this highly digitalized world. Besides, it is well-known that all printed documents/ credentials are potentially subject to forgery. Every year, billions USD has lost directly due to document fraud. With a vision of “building trust across real and digital world”, Authpaper limited has been providing document anti-forgery software solutions for years and obtained patent, academic publications, supports and international awards. In this project, we would like to combine blockchain and other current technologies to build a peer-to-peer digital data delivery platform. All data delivered is confidential except the specified recipients. Data is verified to be unchanged down to every single bit. Operations on the data are properly done and recorded among the peers so that delivery histories are public verifiable yet unforgeable. Peers are rewarded by helping the data delivery and platform operations with good will. This platform also works as a decentralized document certification and circulation system. It allows users to issue documents under their email / name and send to other like certificates. Authorized people can “sign” a data (e.g. contract) from others and cannot deny it afterwards. The protection can be readily extended to the physical copies, with our award-winning document authentication technology. Authpaper coins (AUPC) (ERC-20 based) is released in this token sales to raise fund for development and testing of the platform. When the platform is ready, supporters can exchange the AUPC to the stamps in Authpaper delivery platform and enjoy the service

Platform features

+Commercial
Documents and data can be circulated inside this platform instead of printing out and wasting time to moving around people for confirmations.
+Trading
With this platform, the time for mailing is saved because the documents are sent instantly over the Internet and it is confidential with public verifiable record on mailing and document source.
+Document Certificate
With this platform, it allows company and authorities to issue unforgeable document certificates for different purposes.
+Copyright Data Delivery
With this platform, video owners can create videos with random noise one by one first and send to the platform. Video owners only need to keep the original copy of the video, and the torrent file for each modified copy. The customer will download a protected video copy so that whenever there is a video leak, video owner can trace it back.
+System Maintenance
With this platform, companies can send the snapshot confidentially online. All data has integrity checking and encrypted. The data is sent via BT protocol, data transfer can be readily continued after connection lost. On the download side, the data is transferred from multiple peers, increasing the data delivery rate.
+Legal and Compliance
With this platform, document sender can send a data with full delivery record, including how the document is delivered, by when and who the data is picked. If the delivery is failed, a record of attempting delivery is recorded on blockchain as smart contract. Hence it fits in the legal and compliance need.
https://preview.redd.it/xb0r1vx2rsf31.png?width=1051&format=png&auto=webp&s=8f31a587f2ccfd1de7320d087417de160ba9e924

Blockchain and Cryptocurrency

Cryptocurrency is a digital token that uses encryption (cryptography) to generate money and to verify transactions. As of 2017, cryptocurrency has been used as a decentralized alternative to traditional fiat currencies (which are usually backed by some central government) such as the US dollar (USD). Modern digital currency starts in 2008 when Satoshi Nakamoto released their paper detailing what would become Bitcoin. Bitcoin became the first decentralized digital coin when it was created in 2008. It then went public in 2009. In decentralized digital coins, a method is needed for peers to reach consensus on a growing list of transaction records, also known as blocks, without any help of centralized authority. Satoshi Nakamoto invented blockchain to serve as the public transaction ledger of Bitcoin. The invention of the blockchain for bitcoin made it the first digital currency which solves the double-spending problem without the need of a trusted authority or central server. The most beautiful part of Bitcoin is that no one in the network has control on the currency (unless under 51% attack) and all transactions recorded on Blockchain are public verifiable and cannot be modified by any single party. Many applications have been developed based on Blockchain and Bitcoin since then. After the invention of Bitcoin, many alternative cryptocurrencies, or altcoins, have been developed. As of January 2015, there were over 500 different types of cryptocurrencies – or altcoins – for trade in online markets. However, only 10 of them had market capitalizations over $10 million. As of September 2017, there were over 1,100 cryptocurrencies and the total market capitalization of all cryptocurrencies reached an all-time high surpassing $60 billion! Then, by December 2017, the total market cap reached $600 billion (a multiple of 10 in only two months). In Authpaper delivery platform, a new cryptocurrency will be created so that peers can get rewards from contributing to the network. Blockchain and BT protocol will also be integrated into a unified decentralized network Authpaper delivery platform is a BT-based decentralized data delivery platform using Blockchain based cryptocurrency (stamps) to pay the delivery and provide rewards to the nodes. In this platform, each peer serves as both peer in the DHT network (for BT) and node in the Blockchain network. There is no server in the platform. When a new peer joins the network, it creates a new public key pair (crypto-wallet) and connects to a list of known peers to join the DHT network. Each peer needs to submit their network IP, wallet address (public key of the cryptowallet), and an email address to the DHT network. The peer’s client software also need to access the peer’s email account (reading and sending). Then it is ready to use the service. There are mainly two kinds of flow inside the platform, encrypted files and stamps. All operations on encrypted files were done through the DHT and BT protocols, while those on stamps are done via blockchain. Data delivery will involve an interaction between these two networks. A typical workflow is discussed in the following as illustrations.

Roadmap

https://preview.redd.it/6itvhktzrsf31.png?width=1320&format=png&auto=webp&s=fc32bd7421650078c33f2fd49c3a1029fb19609f

Learn more

Website: https://authpaper.io/
Medium: https://medium.com/@icoauthpapercoin
Telegram: https://t.me/authpaper_group
Twitter: https://twitter.com/authpaper
Bitcointalk: https://bitcointalk.org/index.php?topic=5047321.0
Whitepaper: https://authpaper.io/Authpaper_TokenSale_2019_v2.pdf
Eth Adress: 0xD896C99c0E6E0ec6F8207eA8eaCc1C86094Ee2cC
submitted by Bandugan to u/Bandugan [link] [comments]

A tour of the Gridcoin wallet

Hey guys, I thought I would put together an in-depth tour of the Gridcoin wallet software for all of our recent newcomers. Here I'll be outlining all the features and functions the windows GUI wallet has to offer, along with some basic RPC command usage. I'll be using the windows wallet as an example, but both linux and macOS should be rather similar. I'll be including as many pictures as I can as embedded hyperlinks.
Edit: Note that since I originally made this there has been a UI update, so your client will be different colors but all the button locations are in the same place.
This is my first post like this, so please forgive me if this appears a little scatter-brained.
This will not cover the mining setup process for pool or solo miners.
When you launch the wallet software for the first time you should be greeted with this screen.

OVERVIEW TAB

After that prompt, you should be left sitting on the main overview tab with several fields on it.
From top to bottom:

SEND TAB

Now onto the other tabs on the left side. Currently we're on the Overview tab, lets move down to the Send tab. This tab it pretty self-explanatory, you use it if you want to send coins, but I'll go over the fields here:
  • Pay To: Enter a valid gridcoin address to send coins too. Gridcoin addresses always start with an S or and R.
  • Label: Enter a label here and it will put that address in your "address book" under that label for later use. You can leave it blank if you don't want it in your address book.
  • Message: Enter a message here if you want it attached to your transaction.
  • Amount: How many coins you want to send.
  • Add Attachment: Leave this alone, it is broken.
  • Track Coins: This doesn't do anything.

RECEIVE TAB

Now down to the Receive tab. Here you should have a single address listed. If you double click on the label field, you can edit it's label.
  • New: Generate a new address.
If you click on an address, the rest of the options should be clickable.
  • Copy: Copy the selected address to your clipboard.
  • Show QR Code: Show a scan-able QR code for the selected address.
  • Sign Message: Cryptographically sign a message using the selected address.

TRANSACTIONS TAB

The Transactions tab is pretty boring considering we have no transactions yet. But as you can see there are some sorting tools at the top for when you do have transactions listed.

ADDRESS BOOK TAB

The Address Book is where all the addresses you've labeled (that aren't yours) will show up.
  • Verify Message: Verifies a message was signed by the selected address.
The rest of the functions are similar to the functions on the Receive tab.

VOTING TAB

Onto the Voting tab. There wont be any polls because we aren't in sync yet.
  • Reload Polls: Pretty self-explanatory, I've never had to use this.
  • Load History: By default, the wallet will only display active polls. If you want to view past polls you can use this.
  • Create Poll: You can create a network-wide poll. You must have 100,000 coins as a requirement to make a poll. (Creating a poll does not consume the coins)
Here's what the Voting tab will look like once you're in sync

CONTEXT BAR

Now onto the context bar menus on the top.
Under File you have:
  • Backup Wallet/Config: This lets you backup your wallet configuration file just in case.
  • Export: You can export your Transactions tab or Address Book in CSV format.
  • Sign message: Does the same thing as on the Receive tab.
  • Verify message: Does the same thing as on the Address Book tab.
  • Exit: Close the wallet.
Under Settings you have:
  • Encrypt Wallet: Encrypts your wallet with a password. (we'll come back to this)
  • Change Passphrase: Allows you to change your encryption password.
  • Options: Opens the options menu. (We'll come back to this)
Under Community you have:
Under Advanced you have:
  • Advanced Configuration: Opens the Advanced Configuration menu. (Not so advanced if you ask me)
  • Neural Network: Allows you to view solo miners project statistics. It will be largely blank if you're not in sync yet.
  • FAQ: Don't touch this, It is broken.
  • Foundation: Don't touch this, It is broken.
  • Rebuild Block Chain: Starts the client syncing from 0. Don't worry, using this will not make you lose coins.
  • Download Blocks: Downloads the latest official snapshot, can help speed up syncing. The download progress tends to sit at 99.99% for a long time, don't worry, it's working.
Under Help you have:
  • Debug window: Opens the debug window. (We'll come back to this)
  • Diagnostics: Don't touch this, it is broken. This has since been fixed. You can use this to see if there is anything wrong with your setup.
  • About Gridcoin: Opens the About Dialog. This gives you your client version and other information.

OPTIONS

Now back to the options menu under Settings > Options.
Here we have the options menu main tab:
  • Pay transaction fee: The transaction fee that will be automatically paid when you make a transaction.
  • Reserve: You can reserve an amount so that it will always be available for spending.
  • Start Gridcoin on system login: Pretty self-explanatory
  • Detach databases at shutdown: Speeds up shutdown, but causes your blockchain file to no longer be portable.
On the Network tab:
  • Map port using UPnP: Attempts to connect to nodes through UPnP.
  • Connect through SOCKS proxy: Allows you to connect through a proxy.
The window tab is pretty self-explanatory.
The Display tab is also pretty self-explanatory, with the exception of:
  • Display coin control features (experts only!): This allows you to have a great deal of control over the coins in your wallet, check this for now and I'll explain how to use it further down. Don't forget to click "Apply".

ENCRYPTING YOUR WALLET

Now that all of that is out of the way. The first thing you'll want to do is encrypt your wallet. This prevents anybody with access to your computer from sending coins. This is something I would recommend everyone do.
Go to Settings > Encrypt Wallet and create a password. YOU CANNOT RECOVER YOUR COINS IF YOU FORGET YOUR PASSWORD.
Your wallet will close and you will have to start it up again. This time when it opens up, you should have a new button in the bottom left. Now if you want to stake you will have to unlock your wallet. Notice the "For staking only" box that is checked by default. If you want to send a beacon for solo mining or vote, you will need to uncheck this box.

GETTING IN SYNC AND ICONS

Before we continue, Let's wait until we're in sync. Depending on your internet speeds, this could take from several hours to over a day or 2. This can be sped up by using Advanced > Download Blocks, but this can still take several hours.
This is what an in-sync client should look like. Notice the green check to the right of the Receive tab. All of these icons give you information when you hover your mouse over them.
The lock
The arrow tells you if you're staking. If you aren't staking, it will tell you why you're not staking. If you are staking it will give you an estimated staking time. Staking is a very random process and this is only an estimate, not a countdown.
The connection bars tell you how many connections to the network you have.
The check tells you if you're in sync.

WHAT IS STAKING?

Now I've said "stake" about a million times so far and haven't explained it. Gridcoin is a Proof of Stake (PoS) coin.
Unlike bitcoins Proof of Work (PoW), PoS uses little system resources, so you can use those resources for scientific work. PoS works by users "Staking" with their balance. The higher the balance, the higher the chance to create, or "stake" a block. This means you need to have a positive balance in order to stake. Theoretically, you can stake with any amount over 0.0125 coins, but in practice it's recommended to have at least 2000 coins to reliably stake.
Staking is important for solo miners, because they get paid when they stake. Pool miners don't need to stake in order to get paid however. So if you want to solo mine, you'll need to buy some coins from an exchange or start in the pool first and move to solo when you have enough coins.
In addition to Research Rewards for miners, anyone who holds coins (solo miners, pool miners, and investors) gets 1.5% interest annually on top of your coins. So it can be beneficial for pool miners to stake as well.
Here is a snippet of what a research rewards transaction looks like from my personal wallet. I have a label on that address of "Payout address" as you can see here.

UTXOS AND COIN CONTROL

At this point you'll need some coins. You can use one of our faucets like this one or this one to test coin control out.
First let me explain what a UTXO is. UTXO stands for Unspent Transaction Output. Say you have an address with 0 coins in it, and someone sends you 10 coins like I've done here. Those 10 coins are added to that address in the form of a UTXO, so we have an address with one 10 coin UTXO in it.
Now we receive another 5 coins at the same address, like so. Now we have an address with one 10 coin UTXO and one 5 coin UTXO. But how do we view how our addresses are split up into different UTXOs?
Earlier we checked the "Display coin control features" box in Settings > Options > Display. Once that's checked you'll notice there's another section in the Send tab labeled "Coin Control Features". If you click the "Inputs" button, you'll get a new window. And look, there's our 2 UTXOs.
All UTXOs try to stake separately from each other, and remember that the chance a UTXO has to stake is proportional to it's size. So in this situation, my 10 coin UTXO has twice the chance to stake as my 5 coin UTXO. Now wallets, especially ones that make a lot of transactions, can get very fragmented over time. I've fragmented my wallet a little so I can show you what I'm talking about.
How do we clean this up? We can consolidate all this into one UTXO by checking all the boxes on the left and selecting OK.
Now pay attention to the fields on the top:
  • Quantity: The total amount of UTXOs we have selected.
  • Amount: The total amount of coins we have selected.
  • Fee: How much it would cost in fees to send all those UTXOs (more UTXOs = more transaction data = more fees)
  • After Fee: Amount - Fees.
  • Bytes: How large the transaction is in bytes.
  • Priority: How your client would prioritize making a transaction with this specific set of UTXOs selected had you not used coin control.
  • Low Output: If your transaction is less than 0.01 coins (I think).
  • Change: What you will get back in change.
  • custom change address: You can set the address you get your change back at, by default it will generate a new address.
So let's fill out our transaction so we end up with 1 UTXO at the end.
In "Pay To:" Just put any address in your wallet, and for the amount put what it has listed in the "After Fee" Field. Just like this.
Notice how we get no change back.
Now click "Send", we'll be prompted to enter our passphrase and we're asked if we want to pay the fee, go ahead and click "Yes".
Now if we go back to the Overview tab we get this funky icon. If you hover your mouse over it, it says "Payment to yourself", and the -0.0002 GRC is the network transaction fee.
(Ignore the first one, that was me fragmenting my wallet)
Now if we look at the Coin Control menu, we can see that we've slimmed our wallet down from 7 UTXOs to 1.
Now why would you want to use coin control?
2 Situations:
  1. UTXOs less than 0.0125 coins cannot stake. So you can combine a lot of tiny, useless UTXOs into 1 bigger one that can stake.
  2. After a UTXO stakes, it cannot stake for another 16 hours. So if you have 1 large UTXO that is big enough to stake more than once every 16 hours, you can split it into smaller UTXOs which can allow you to stake slightly more often.
  3. By default, the wallet will always generate a new address for change, which can make your wallet get very messy if you're sending lots of transactions. Keep in mind that more UTXOs = larger transactions = more fees.
Sidenote - When you stake, you will earn all research rewards owed reguardless of which UTXO staked. However, you'll earn the 1.5% interest for that UTXO. Not your whole wallet.

FORKING

A fork is when the network splits into multiple chains, with part of the network on each chain. A fork can happen when 2 blocks are staked by different clients at the same time or very close to the same time, or when your client rejects a block that should have been accepted due to a bug in the code or through some other unique circumstance.
How do I know if I'm on a fork?
Generally you can spot a fork by looking at the difficulty on your Overview tab. With current network conditions, if your difficulty is below 0.1, then you're probably on a fork.
You can confirm this by comparing your blockhash with someone elses, like a block explorer.
Go to [Help > Debug Window > Console]. This is the RPC console, we can use to do a lot of things. You can type help to get a list of commands, and you can type help [command you need help with] (without the brackets) to get information on a command. We'll be using the getblockhash [block number] command.
Type getblockhash [block number] in the console, but replace [block number] with the number listed next to the "Blocks:" field on the Overview tab.
This will spit out a crazy string of characters, this is the "blockhash" of that block.
Now head over to your favorite block explorer, I'll be using gridcoinstats. Find the block that you have the hash for, use the search bar or just find it in the list of blocks.
Now compare your hash with the one gridcoinstats gives you. Does it match?
If it matches, then you're probably good to go. If it matches but you still think you're on a fork, then you can try other block explorers, such as gridcoin.network or neuralminer.io.
If it doesn't match, then you need to try to get off that fork.
How do I get off a fork?
  1. Just wait for an hour or two. 95% of the time your client is able to recover itself from a fork given a little time.
  2. Restart the client, wait a few minutes to see if it fixes itself. If it doesn't restart again and wait. Repeat about 4 or 5 times.
  3. Find where the fork started. Using the getblockhash command, go back some blocks and compare hashes with that on a block explorer so you can narrow down what the last block you and the block explorer had in common. Then use reorganize [the last block hash you had in common]. Note that reorganize takes a blockhash, not a block number.
  4. Use Advanced > Download Blocks.
  5. If none of this works, you can take a look at social media (reddit/steemit) and see what other people are saying.

CONFIGURATION FILE

Your configuration file depends on your operation system:
  • On Windows: %appdata%\GridcoinResearch\
  • On Linux: ~/.GridcoinResearch/
  • On MacOS: /Users/USERNAME/Library/Application/Support/GridcoinResearch/
And it should look like this.
If you open up your gridcoinresearch.conf, you'll see the default one it generated. Note that if you entered your email earlier, the first line will have your email on it instead of "investor". If you decided you want to solo mine but didn't enter your email when you first started the wallet, go ahead and put your email on the first line in place of "investor". If you're a pool miner, just leave it as "investor".
Next, it's recommended that you use the addnodes on the gridcoin wiki. So our gridcoinresearch.conf will look like this.
A useful line for solo miners is PrimaryCPID=[YOUR CPID]. Sometimes your wallet can pick up on the wrong CPID so it's good to have that in there if you're solo mining.

RUNNING A LISTENING NODE

A listening node is a node that listens for blocks and transactions broadcasted from nodes and forwards them on to other nodes. For example, during the syncing process when you're getting your node running for the first time, you're downloading all the blocks from listening nodes. So running a listening node helps support the network.
Running a gridcoin listening node is simple. All you need to do is add listen=1 to your gridcoinresearch.conf and you need to forward port 32749 on your router.
If you don't know how to port forward, I'd suggest googling "How to port forward [your router manufacturer]".

QUICK LINKS

Gridcoin.us Official Website
Gridcoin.science Unofficial Website
Gridcoinstats.eu Block Explorer
NeuralMiner.io Block Explorer
Gridcoinstats.eu Faucet
Gridcoin.ch Faucet
Gridcoin Wiki
Gridcoin Github
GRCPool
Arikado Pool
And that's all I have for now!
I plan to keep this post up-to-date with changes in the client. So if anyone has any suggestions, have clarifications they want made, or maybe I got something wrong, then please feel free to leave a comment below or PM me!
submitted by Personthingman2 to gridcoin [link] [comments]

SINOVATE NODOS INFINITOS: evolucionando los nodos maestros

SINOVATE NODOS INFINITOS: evolucionando los nodos maestros
Bienvenidos a el blog oficial para la comunidad hispana del proyecto SINOVATE aquí obtendrán toda información, actualización o acontecimiento que este ocurriendo en nuestro proyecto.
¿Qué es un nodo maestroy cómo SINOVATE aplica esta tecnología de manera innovadora con sus Nodos Infinitos?

https://preview.redd.it/ff3h7rzcnu531.png?width=1600&format=png&auto=webp&s=0d273ea3e8c3833cf35e375c3952b3ac4acef475

1. ¿Qué es una cadena de bloques y un nodo?

Un cadena de bloques es un libro de contabilidad descentralizado en continuo crecimiento que contiene registros, en el mundo de la criptomoneda llamados bloques, vinculados entre sí mediante la criptomoneda. Cada bloque contiene un hash criptográfico del bloque anterior, una marca de tiempo y datos de transacción, representados como un árbol Merkle. Este concepto de hacha fue patentado en 1979 y lleva el nombre de su inventor: Ralph Merkle. Un árbol hash es un árbol de hashes y nodos más arriba del árbol son los hashes de sus respectivos hijos. Por ejemplo: en la imagen, hash 1 es el resultado de hash de la secuencia cronológica de hash 1–0 y hash 1–1. Los árboles hash se utilizan en la criptografía basada en hash, pero también en sistemas de archivos IPFS, Btrfs y ZFS para contrarrestar la degradación de los datos. Otros casos de uso son el protocolo Dat, el protocolo Apache Wave, los sistemas de control de revisión distribuidos Git y Mercurial, el sistema de respaldo Tahoe-LAFS, Zeronet, el marco de Transparencia del Certificado, varios sistemas NoSQL como Apache Cassandra, Riak y Dynamo, y por último pero no menos las redes de igual a igual o como es conocido coloquialmente en ingles peer-to-peer de Bitcoin y Ethereum.

Fig 1. Una impresión de un árbol Merkle

Un nodo es simplemente una copia de un libro mayor de la cadena de bloques. Las personas confían en los nodos para realizar un seguimiento de las transacciones de criptomoneda que se han producido en la cadena de bloques. Los nodos comparten bloques y transacciones entre sí utilizando el protocolo subyacente. Cuando un minero crea un nuevo bloque válido, lo comparte con el resto de la red y cada nodo lo propaga a los otros nodos. No todos los nodos en una red almacenan todos los bloques de la cadena y el historial de transacciones. Cada persona puede decidir crear un nodo, pero como un nodo completo almacena el historial completo de transacciones de blockchain, esto requiere una gran cantidad de memoria de la computadora. Debido a la cantidad de memoria de computadora requerida, hay dos tipos de nodos: nodos completos y nodos ligeros.
Nodo completo contra nodo ligero : Un nodo completo almacena la lista completa de bloques y transacciones que se produjeron en la cadena de bloques; un nodo ligero solo almacena un registro de las transacciones más recientes, por ejemplo, durante las últimas tres semanas. Aunque el nodo ligero solo almacena una lista parcial de transacciones, sigue desempeñando un papel importante, ya que está vinculado a nodos completos para ayudar a mantener la cadena de bloques precisa. Un nodo ligero puede almacenar un subconjunto de datos, por ejemplo, los encabezados de bloque, y luego pueden confiar en nodos completos para la otra información.

2. ¿Qué es un nodo maestro?

Sin nodos, una cadena de bloques no puede funcionar. Un nodo maestro un nodo completo especial: normalmente procesa transacciones que ocurren en la cadena de bloques, 24/7. Para procesar continuamente las transacciones, un nodo maestro requiere una gran cantidad de memoria de computadora y un colateral. La memoria es simplemente potencia de cálculo, el colateral es la cantidad de monedas necesarias para ejecutar el nodo correctamente y pueda funcionar. Para ejecutar un nodo maestro, la mayoría de las personas recurren a un servidor virtual privado VPS para configurar una dirección IP dedicada.
Un VPS , también conocido como servidor privado virtual es una máquina virtual provista por una empresa de alojamiento web y se ejecuta en su propio sistema operativo (SO). Proporciona derechos de administrador y acceso de raíz a los clientes que pueden instalar casi cualquier software requerido, por ejemplo, un nodo maestro.
Una dirección IP dedicada es una dirección única de Protocolo de Internet (IP) y se asigna exclusivamente a una sola cuenta de alojamiento. Le ofrece acceso a su sitio web, incluso cuando el DNS no está configurado, proporciona mayor velocidad durante la carga de tráfico y brinda mayor seguridad.

3. ¿Qué es un nodo infinito de SINOVATE?


https://preview.redd.it/9yvi89zqnu531.png?width=300&format=png&auto=webp&s=93005083867a373bbf50fe511b61a6b75cb6ee8c
Cuando los mineros de SINOVATE crean bloques y la capa de infraestructura primaria, los nodos infinitos de SINOVATE no crean bloques, pero sí permiten la implementación de servicios secundarios importantes como SINOVATE FlashSend (envió rápido) y ShadowSend (envió sombra), que evolucionan desde InstantSend (envío instantáneo) y PrivateSend(envió privado).
SINOVATE ha desarrollado una cadena de bloques que se dispersa a nivel mundial con nodos maestros de múltiples niveles que crean diferentes niveles de entrada de usuario para permitir que más inversores obtengan un nodo maestro de SIN, denominado Nodo Infinito . Este enfoque también beneficia los objetivos de descentralización de Sinovates, que a menudo son problemáticos en proyectos de criptomonedas con nodos maestros de un solo nivel.
A Little (pequeño) NODO SIN requiere 100,000 SIN, y tiene una Recompensa de Base de 160 SIN;
Un Mid (medio) NODO SIN requiere 500,000 SIN y tiene una Recompensa de Base de 800 SIN y una Bonificación de 4.75% (+38 SIN), con una recompensa total de 838 SIN;
Un Big (grande) NODO SIN requiere 1,000,000 de SIN y tiene una Recompensa de Base de 1600 SIN y una bonificación de 9.50% (+152 SIN), con una recompensa total de 1752 SIN.

Fig 2. Distribución de recompensas SIN NODOS.


Tanto Little, Mid como Big SIN son nodos completos, todos contribuyen de manera diferente a la cadena de bloques SINOVATE. Tanto Little como Mid Sin ofrecen servicios como IDS, Flashsend y Shadowsend, Big Sin ofrece RSV además de esos servicios. La única forma de adquirir un SIN nodo maestro es adquiriendo el SIN de la minería, el comercio o la obtención de ganancias.

SINOVATE vs Top PoW y monedas de nodo maestros

La primera criptomoneda en adoptar la tecnología nodo maestro fue Dash. Dash allanó el camino para nodos maestros, desarrollando incentivos distintivos para los proveedores de servicios de nodo maestro. El colateral es de 1.000 Dash, el bloque recompensa al 45%. Poco después se lanzaron otros proyectos. PIVX, por ejemplo, ofrece nodos maestros pero también es Prueba de Estaca (PoS). En la tabla de comparación podemos ver las diferencias entre los proyectos de criptomonedas descritos y lo que hace que SINOVATE sea innovador.

Fig 3. Comparación de monedas SINOVATE. Puede usar un traductor para enterlo de mejor forma.


SINOVATE es la mejor moneda de nodo maestro cuando se trata de escalabilidad, por lo tanto, está mejor posicionada para beneficiarse de la próxima fase de expansión del mercado de criptomonedas. No había ICO (oferta de moneda inicial) ni pre minado, el proyecto fue financiado en su totalidad por los desarrolladores. Debido a muchas estafas en la cripto esfera, muchos inversionistas no están dispuestos a invertir en monedas pre minadas, y tampoco confían en los proyectos de ICO. Es previsible que los IEO sufran un destino similar al de los ICO durante su face inicial.
SINOVATE se da cuenta de que el valor de un proyecto de criptomoneda proviene del trabajo duro y los enfoques innovadores y, por lo tanto, ha creado un equipo internacional de desarrolladores experimentados para respaldar tal empresa.
SINOVATE controla la inflación con una tasa de inflación controlada de forma activa todos los años y ofrece a sus inversionistas, usuarios y a la comunidad, tanto la privacidad como la gobernabilidad electrónica, utilizando su sistema de votación rotativa desarrollado de manera única.

NODOS MAESTROS vs NODOS INFINITOS

En comparación con los nodos maestros tradicionales, los Nodos infinitos de SINOVATE ofrecen a los inversores una mejor protección contra la inflación con una inflación muy poco controlada o menos monedas agregadas del suministro MAXIMO dependiendo de las monedas quemadas. Hay menos presión de venta en comparación con otras monedas de nodos maestros y SINOVATE ofrece una tasa de interés mínima de hasta el 22%. Por último, pero no por ello menos importante, el proyecto SINOVATE se rige por medio de la votación anual revolvente, una característica de cadena de bloques de gobernabilidad descentralizada más desarrollada.


Fig 4. Nodos maestros vs Nodos infinitos.
Autor:CryptoAnalyzer
Traducido: Embajador Hispano musicayfarandula
Discord sitio web . Telegram . Bitcointalk . Twitter . Facebook .Linkedin . Equipo . Youtube. Reddit .
submitted by sinovatehispano to sinovate [link] [comments]

SINOVATE NODOS INFINITOS: evolucionando los nodos maestros

SINOVATE NODOS INFINITOS: evolucionando los nodos maestros
Bienvenidos a el blog oficial para la comunidad hispana del proyecto SINOVATE aquí obtendrán toda información, actualización o acontecimiento que este ocurriendo en nuestro proyecto.
¿Qué es un nodo maestroy cómo SINOVATE aplica esta tecnología de manera innovadora con sus Nodos Infinitos?


https://preview.redd.it/q97sx2otou531.png?width=1600&format=png&auto=webp&s=8b93325c201b03307a46375b0afb9bfeed395ba4

1. ¿Qué es una cadena de bloques y un nodo?

Un cadena de bloques es un libro de contabilidad descentralizado en continuo crecimiento que contiene registros, en el mundo de la criptomoneda llamados bloques, vinculados entre sí mediante la criptomoneda. Cada bloque contiene un hash criptográfico del bloque anterior, una marca de tiempo y datos de transacción, representados como un árbol Merkle. Este concepto de hacha fue patentado en 1979 y lleva el nombre de su inventor: Ralph Merkle. Un árbol hash es un árbol de hashes y nodos más arriba del árbol son los hashes de sus respectivos hijos. Por ejemplo: en la imagen, hash 1 es el resultado de hash de la secuencia cronológica de hash 1–0 y hash 1–1. Los árboles hash se utilizan en la criptografía basada en hash, pero también en sistemas de archivos IPFS, Btrfs y ZFS para contrarrestar la degradación de los datos. Otros casos de uso son el protocolo Dat, el protocolo Apache Wave, los sistemas de control de revisión distribuidos Git y Mercurial, el sistema de respaldo Tahoe-LAFS, Zeronet, el marco de Transparencia del Certificado, varios sistemas NoSQL como Apache Cassandra, Riak y Dynamo, y por último pero no menos las redes de igual a igual o como es conocido coloquialmente en ingles peer-to-peer de Bitcoin y Ethereum.




Un nodo es simplemente una copia de un libro mayor de la cadena de bloques. Las personas confían en los nodos para realizar un seguimiento de las transacciones de criptomoneda que se han producido en la cadena de bloques. Los nodos comparten bloques y transacciones entre sí utilizando el protocolo subyacente. Cuando un minero crea un nuevo bloque válido, lo comparte con el resto de la red y cada nodo lo propaga a los otros nodos. No todos los nodos en una red almacenan todos los bloques de la cadena y el historial de transacciones. Cada persona puede decidir crear un nodo, pero como un nodo completo almacena el historial completo de transacciones de blockchain, esto requiere una gran cantidad de memoria de la computadora. Debido a la cantidad de memoria de computadora requerida, hay dos tipos de nodos: nodos completos y nodos ligeros.
Nodo completo contra nodo ligero : Un nodo completo almacena la lista completa de bloques y transacciones que se produjeron en la cadena de bloques; un nodo ligero solo almacena un registro de las transacciones más recientes, por ejemplo, durante las últimas tres semanas. Aunque el nodo ligero solo almacena una lista parcial de transacciones, sigue desempeñando un papel importante, ya que está vinculado a nodos completos para ayudar a mantener la cadena de bloques precisa. Un nodo ligero puede almacenar un subconjunto de datos, por ejemplo, los encabezados de bloque, y luego pueden confiar en nodos completos para la otra información.

2. ¿Qué es un nodo maestro?

Sin nodos, una cadena de bloques no puede funcionar. Un nodo maestro un nodo completo especial: normalmente procesa transacciones que ocurren en la cadena de bloques, 24/7. Para procesar continuamente las transacciones, un nodo maestro requiere una gran cantidad de memoria de computadora y un colateral. La memoria es simplemente potencia de cálculo, el colateral es la cantidad de monedas necesarias para ejecutar el nodo correctamente y pueda funcionar. Para ejecutar un nodo maestro, la mayoría de las personas recurren a un servidor virtual privado VPS para configurar una dirección IP dedicada.
Un VPS , también conocido como servidor privado virtual es una máquina virtual provista por una empresa de alojamiento web y se ejecuta en su propio sistema operativo (SO). Proporciona derechos de administrador y acceso de raíz a los clientes que pueden instalar casi cualquier software requerido, por ejemplo, un nodo maestro.
Una dirección IP dedicada es una dirección única de Protocolo de Internet (IP) y se asigna exclusivamente a una sola cuenta de alojamiento. Le ofrece acceso a su sitio web, incluso cuando el DNS no está configurado, proporciona mayor velocidad durante la carga de tráfico y brinda mayor seguridad.

3. ¿Qué es un nodo infinito de SINOVATE?


https://preview.redd.it/95pzr1gzou531.png?width=300&format=png&auto=webp&s=086aa1604ede65fc75056b4c8e2d7b14ede4ae7c
Cuando los mineros de SINOVATE crean bloques y la capa de infraestructura primaria, los nodos infinitos de SINOVATE no crean bloques, pero sí permiten la implementación de servicios secundarios importantes como SINOVATE FlashSend (envió rápido) y ShadowSend (envió sombra), que evolucionan desde InstantSend (envío instantáneo) y PrivateSend(envió privado).
SINOVATE ha desarrollado una cadena de bloques que se dispersa a nivel mundial con nodos maestros de múltiples niveles que crean diferentes niveles de entrada de usuario para permitir que más inversores obtengan un nodo maestro de SIN, denominado Nodo Infinito . Este enfoque también beneficia los objetivos de descentralización de Sinovates, que a menudo son problemáticos en proyectos de criptomonedas con nodos maestros de un solo nivel.
A Little (pequeño) NODO SIN requiere 100,000 SIN, y tiene una Recompensa de Base de 160 SIN;
Un Mid (medio) NODO SIN requiere 500,000 SIN y tiene una Recompensa de Base de 800 SIN y una Bonificación de 4.75% (+38 SIN), con una recompensa total de 838 SIN;
Un Big (grande) NODO SIN requiere 1,000,000 de SIN y tiene una Recompensa de Base de 1600 SIN y una bonificación de 9.50% (+152 SIN), con una recompensa total de 1752 SIN.


https://preview.redd.it/k81uv9k0pu531.png?width=800&format=png&auto=webp&s=545445760d6d137c425caefb27ead02c4aab369d

Tanto Little, Mid como Big SIN son nodos completos, todos contribuyen de manera diferente a la cadena de bloques SINOVATE. Tanto Little como Mid Sin ofrecen servicios como IDS, Flashsend y Shadowsend, Big Sin ofrece RSV además de esos servicios. La única forma de adquirir un SIN nodo maestro es adquiriendo el SIN de la minería, el comercio o la obtención de ganancias.

SINOVATE vs Top PoW y monedas de nodo maestros

La primera criptomoneda en adoptar la tecnología nodo maestro fue Dash. Dash allanó el camino para nodos maestros, desarrollando incentivos distintivos para los proveedores de servicios de nodo maestro. El colateral es de 1.000 Dash, el bloque recompensa al 45%. Poco después se lanzaron otros proyectos. PIVX, por ejemplo, ofrece nodos maestros pero también es Prueba de Estaca (PoS). En la tabla de comparación podemos ver las diferencias entre los proyectos de criptomonedas descritos y lo que hace que SINOVATE sea innovador.


https://preview.redd.it/gvz001x4pu531.png?width=800&format=png&auto=webp&s=7c30c84cb9ab5af9557402382d7bb9bc221eaf68

SINOVATE es la mejor moneda de nodo maestro cuando se trata de escalabilidad, por lo tanto, está mejor posicionada para beneficiarse de la próxima fase de expansión del mercado de criptomonedas. No había ICO (oferta de moneda inicial) ni pre minado, el proyecto fue financiado en su totalidad por los desarrolladores. Debido a muchas estafas en la cripto esfera, muchos inversionistas no están dispuestos a invertir en monedas pre minadas, y tampoco confían en los proyectos de ICO. Es previsible que los IEO sufran un destino similar al de los ICO durante su face inicial.
SINOVATE se da cuenta de que el valor de un proyecto de criptomoneda proviene del trabajo duro y los enfoques innovadores y, por lo tanto, ha creado un equipo internacional de desarrolladores experimentados para respaldar tal empresa.
SINOVATE controla la inflación con una tasa de inflación controlada de forma activa todos los años y ofrece a sus inversionistas, usuarios y a la comunidad, tanto la privacidad como la gobernabilidad electrónica, utilizando su sistema de votación rotativa desarrollado de manera única.

NODOS MAESTROS vs NODOS INFINITOS

En comparación con los nodos maestros tradicionales, los Nodos infinitos de SINOVATE ofrecen a los inversores una mejor protección contra la inflación con una inflación muy poco controlada o menos monedas agregadas del suministro MAXIMO dependiendo de las monedas quemadas. Hay menos presión de venta en comparación con otras monedas de nodos maestros y SINOVATE ofrece una tasa de interés mínima de hasta el 22%. Por último, pero no por ello menos importante, el proyecto SINOVATE se rige por medio de la votación anual revolvente, una característica de cadena de bloques de gobernabilidad descentralizada más desarrollada.

https://preview.redd.it/lijcua76pu531.png?width=800&format=png&auto=webp&s=27bfd0abb603866a38e7d536577fd1ed3e768936

Autor:CryptoAnalyzer
Traducido: Embajador Hispano musicayfarandula
Discord sitio web . Telegram . Bitcointalk . Twitter . Facebook .Linkedin . Equipo . Youtube. Reddit .
submitted by sinovatehispano to u/sinovatehispano [link] [comments]

Der Beste Gomme Client 2020Eject V3By MagicTim كيفية حساب الوزن المثالى BMI FİVEM'DAKİ SİSTEMLERİN AYNISI!  MTA NOVA ROLEPLAY How to make an IP Grabber in PHP ViceCoin - Concept of Anonymity

IP to IP payments. The original version of the Bitcoin node client had the facility to conduct IP to IP payments where a receiver could give a payer their IP address. The payer's client would reach out to the Payee's client and request a public key for the payment to be addressed to. Bitcoin Core client’s 20th major iteration v0.20.0 has been released and is now available for download.The release was published on Wednesday introducing a host of new features, bug fixes, and performance improvements to better secure the Bitcoin network.. According to the team responsible for updating the Bitcoin Core client, the improvements are a culmination of six-month work and Bitcoin looks up the IP Addresses of several host names and adds those to the list of potential addresses. This is the default seeding mechanism, as of v0.6.x and later. IRC . As-of version 0.6.x of the Bitcoin client, IRC bootstrapping is no longer enabled by default. The information below is accurate for most versions prior. I want to get the client IP address who uses my website. I am using the PHP $_SERVER superglobal: $_SERVER['REMOTE_ADDR']; But I see it can not give the correct IP address using this. I get my IP The client contains hard coded IP addresses that represent bitcoin nodes. These addresses are only used as a last resort, if no other method has produced any addresses at all. When the loop in the connection handling thread ThreadOpenConnections2() sees an empty address map, it uses the "seed" IP addresses as backup.

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Der Beste Gomme Client 2020Eject V3By MagicTim

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