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SumUp partners with BitPay to integrate bitcoin into mPOS

SumUp partners with BitPay to integrate bitcoin into mPOS submitted by wtzr to Bitcoin [link] [comments]

In the news • Bitcoinist - FreshBooks Announces mPOS App – Time For Bitcoin Integration

submitted by btcforumbot to BtcForum [link] [comments]

Bitcoin PoS Core is now available!

Bitcoin PoS Core is now available on github!
Release notes:
submitted by BitcoinPoS to bitcoin_pos [link] [comments]

Cryptocurrency Mining History : Journey to PoC

Cryptocurrency just like any other technological development has given birth to many side industries and trends like ICO, white paper writing, and mining etc… just the cryptocurrency itself rises, falls and changes to adapt real life conditions, so does its side industries and trends. Today we are going to be focusing on mining. How it has risen, fell and adapted through the journey of cryptocurrency till date.
Without going into details crypto mining is the process by which new blocks are validated and added to the blockchain. It first took to main stream in January 2009 when the mysterious Satoshi Nakamoto launched the bitcoin white paper within which he/she/they proposed the first mining consensus mechanism called proof of work (Pow).
The PoW consensus mechanism required that one should spend a certain amount of computational power to solve a cryptographic problem (nounce) in other to have the have the right to pack/verify the next block on the blockchain. In this mechanism, the more computational power one possesses the more rights they have over the packing of the next block. The quest for faster hardware has seen significant changes in the types of hard ware dominating the PoW mining community.
Back in 2009 when bitcoin first started a normal pc and its processing power worked just fine. In fact a pc with an i7 Intel processor could mine up to 50btc per day but back then it almost nothing since btc was only some few cents. When the difficulty of the network became significantly high, simple computer processing units could not match the competitiveness and so miners settled for something more powerful, the high end graphic processors (GPU). This is when the era of rigs began It was in 2010. People would combine GPUs together in mining rigs on a mother board usually in order of 6 per rig some miners operated farms containing many of these rigs. Of course with greater power came greater network difficulty and so the search for faster hard ware let to implementation of Field Programmable Gate Arrays (FPGA) in June 2012. A further search for faster, less consuming and cheaper hard ware let us to where we are today. In the year 2013, Application Specific Integrated Circuits (ASIC) miners were introduced. One ASIC miner processes 1500H/s which is 100 times processing power of CPU and GPU. But all this speed and efficiency achievements brought about another problem one which touches the core of cryptocurrency itself. The idea of decentralization was gradually fading away as wealthy and big companies are the once who could afford and build the miners therefore centralizing mining around the rich, there was a called for ASIC resistant consensus mechanism.
A movement for ASIC resistant PoW algorithms began the idea is to make ASIC mining impossible or at least make it such that using ASIC doesn’t give a miner any additional advantage as to using CPU . In 2013 the MONERO the famous privacy coin proposed CryptoNight an ASIC resistant PoW consensus at least that is how they intended it to be. But things have proven much more difficult in practice than they had anticipated as ASIC producers keep matching up to every barrier put in place the PoW designers at a rate faster than it takes to build these barriers. MONERO for example has to fork every now and then in other to keep the CryptoNight ASIC resistant a trick which is still not working as reported by their CEO “We [also] saw that this was very unsustainable. … It takes a lot to keep [hard forking] again and again for one. For two, it may decentralize mining but it centralizes in another area. It centralizes on the developers because now there’s a lot of trust in developers to keep hard forking.” Another PoW ASIC resistance algorithm is the RamdonX and there are many others but could quickly imagine that the barriers to ASIC mining in these ASIC resistance algorithm would eventually be broken by the ASIC miners and so a total shift from PoW mining to other consensus mechanisms which are ASIC resistance from core were proposed some of which are in use today.
Entered the Proof of Stake (PoS) consensus mechanism. PoS was first introduced in 2013 by the PeerCoin team. Here, a validator’s right to mine is proportionate to his/heit economic value in the network simple put the more amounts of coins you have the more mining rights you get. Apart from PeerCoin, NEO and LISK also use POS and soon to follow is EThereum. There are different variations to PoS including but not limited to delegated proof of stake DPoS, masternode proof of stake MPoS each of which seek to improve on something in the POS. This is a very good ASIC resistance consensus mechanism but it still doesn’t solves the centralization problem as the rich always have the power to more coins and have more mining rights plus it is also expensive to start. And then we have gotten many other proposals to combat this among which are Proof of Weight (PoW) and Proof of Capacity (PoC). We take more interest in PoC it is the latest and gives the best solution to all our mining challenges consensus as of now.
Proof of Capacity was first was described 2013 in the Proofs of Space paper by Dziembowski, Faust, Kolmogorov and Pietrzak and it is now being used in Burst. The main factor that separates all the mining mechanisms is the resource used. These resources which miners spend in other to have mining rights is a measure of ensuring that one has expense a none-trivial amount of effort in making a statement. The resource being spent in PoC is disk space. This is less expensive since many people already have some unused space lying around and space is a cheap resource in the field of tech. it has no discrimination over topography… it really solves lots of centralized problems present in all most other consensus. If the future is now then one could say the future of crypto mining is PoC.
submitted by seekchain to u/seekchain [link] [comments]

With XLXPay™ buying & spending cryptocurrency becomes a process as simple as shopping for a loaf of bread in local shop.

XLXPay™ is helping global merchants (Both Brick & Mortar & online retailers) to bridge the gap between traditional (Credit/debit cards), Emerging (QR Payments & MPOS), and Crypto (Bitcoin, XLX, XLM, Ethereum...) Payments. XLXPay™ is onbording individuals & businesses globally to Easily & Securely Create crypto wallets, Store omni-value, exchange crypto to-Fiat-to-crypto, accept & send Cross-border payments in seconds at a fraction of current costs. XLXPay™ & it's parent Companies: (XLX Blockchain Corporation™ & XLX Bank™) are partnering with IBM Blockchain WorldWire™ & the Stellar™ Network to facilitate cross-border Payments & Helping EU Financial Institutions with PSD2. XLXPay™ is based on an ecosystem & technological expertise provided by XLX Bank™, IBM WorldWire™, the Stellar™ Network & XLX Blockchain Corporation™. The XLXPay™ project evolved as an independent business entity, sharing partner resources and generating revenue that prospectively benefit All parties.
submitted by bagirka to XLXPay [link] [comments]

Is the public chain - Cryptozoic VCC with "king" gene destined to be the second bitcoin?

Is the public chain - Cryptozoic VCC with
More than half of 2019, the surging undercurrent of public chain market is still in progress.
Ethereum is swamped by the upgrade problems, with difficult pace. Although DeFi is a rare bright spot, it is difficult to support the ecological construction. EOS and TRON are still popular in gambling and lottery, and "wool parties" enjoy them.
At present, the public chain market is dominated by related products of games, gambling and trading, but is not related to daily life. Although part of the public chain ushered in the dividend of main network online, their commercial applications are still difficult to realize.
Technology iteration is the core keyword of public chain market in 2019. Ethereum officially embarked on 2.0 upgrading and tried to improve its operating efficiency by means of fragmentation. However, before its capacity expansion is actually launched, ethereum is still difficult to carry complex interactive DApp types, so it is difficult to build a complete ecological closed loop. Besides, the delay caused by performance problems and the high gas fee also led to poor user experience. Although EOS and TRON have solved those problems of TPS, users’ barrier to entry and other aspects, they have not really ushered in the explosion. DApp such as gambling, games, lottery are firmly dominated, and other DApp struggle to survive.
The emergence of Cryptozoic VCC public chain brings a new hope to block chain industry. Cryptozoic VCC public chain based on underlying technology of blockchain has solved development obstacle of slow system throughput in blockchain system before creation. It realized flash trading of TPS, decentralized exchange, Dapp underlying technology, information recorded on chain by anti-tamper system, and become the new favorite of blockchain industry. Its unstoppable momentum has shown the trend of the second BTC.
The initial success of Cryptozoic VCC public chain makes it easy for us to think of bitcoin. Throughout the development of blockchain industry in the past 10 years, bitcoin has changed from worthless at the very beginning to more than 20 million wallet addresses now. What is the reason behind the rise in the value of BTC?
In the chaotic and turbulent international economic order, the excessive issuance of currencies in various countries makes people lose confidence in centralized currency. The trend of times makes decentralized digital currency enter the historical stage. A large amount of funds including institutional funds flow into blockchain, which has become the main reason for the steady rise of bitcoin value.

Brief talking about the mode and rationally analysing the value growth.
In terms of the mode, Cryptozoic VCC public chain changes the long-standing improper atmosphere in blockchain industry, and truly achieves non-fell on debut, non-locking and free trading. At the same time, it breaks the identity gap between coin holders and mining users, and brings benefits to users, which truly creates a new era of co-prosperity between token and public chain ecology. In addition, within 24 hours of the official launch of VCC Twin-EX E2V queuing on its official website, thousands of people participated in, and the media in blockchain industry competed to report it, and global exchanges competed to invite for VCC listing. What is the real reason behind VCC's popularity in blockchain industry? Its inestimable value.

Talking about technology without mode.
The main technical features of VCC are as follows:
Feature 1: adopting efficient anonymous algorithm, multiple cryptography technology, one-time ring signature to ensure the hide of node IP and trading address, and encrypting key information, etc.
Feature 2: rapid and free issue of digital assets, rapid development of Dapp.
Feature 3: complete decentralized trading and asset exchange on chain.
Feature 4: fast block speed, per 10S a block, and blocks of each sunrise are 8640.
Feature 5: peak value of TPS is up to 80000, supporting commercial applications with average TPS above 8000.
Feature 6: original consensus of POW+MPOS+Cryper, and open source blockchain application system based on privacy and anonymity technology, with high concurrency and scalability.
Features 7: different transaction types are performed by different miners, in order to speed up the transfer transactions, increase TPS and reduce gas fees of smart contract processing. Transfer Transaction Miners: regular VCC transfer transactions; Contract Processing Miners: smart contracts and all kinds of ERC tokens transfer transactions.
Feature 8: it is compatible with all ETH smart contract DAPP and supports all ETH(ERC20,ERC721) token contracts.
Cryptozoic VCC public chain has made a qualitative leap in technology, and solved all the technical defects of ethereum, which is developed to adapt to specific scenario applications and the current situation of blockchain technology.
In addition, VCC’s huge potential is being released with its development, which is an important reason why VCC is not only concerned by mainstream funds, but also has a great reputation recently. There is no denying that VCC is undoubtedly one of the most popular public chain projects in the second half of this year.
submitted by jieke66 to u/jieke66 [link] [comments]

A dissection into the Proof of Capacity consensus mechanism (PoC/PoSpace)

A dissection into the Proof of Capacity consensus mechanism (PoC/PoSpace)
Before we dive in to the all amazing Proof of Capacity consensus mechanism(PoC) let’s take a step back to really understand and appreciate what mining and mining mechanism are and why most consider it to be the back bone of decentralized and blockchain technologies.
Mining is basically a term used in the crypto community to describe a process by which consensus is attained among distributed parties without the need of a central trust, whereby nodes(miners/validators) compete for block verification/packing rights based on the amounts of a particular resource(power, space, coins etc) they control. Mining mechanism are different methods through which mining is achieved. For different reasons, most of which are brilliant, different blockchain technologies adhere to different mining mechanism.
There are several mining mechanism out there may be in their tens but who is counting? Proof of Work is the first mining mechanism to come into the light. It was first introduce in 2009 in the bitcoin whitepaper published by the mysterious Satoshi Nakamoto. In PoW, the more power you control the more rights you have over the mining of the next block. It is the most widely used mining algorithm. Apart from bitcoin, other big guns like ethereum and monero, just to name a few, use PoW. Second in terms of usage to PoW is the Proof of Stake(PoS). POS was first introduced in 2013 by the PeerCoin team. Here, a validator’s right to mine is proportionate to his/heit economic value in the network simple put the more amounts of coins you have the more mining rights you get. Apart from PeerCoin, NEO and LISK also use POS and soon to follow is EThereum. There is also Proof oF Weight(PoW), Dedicated Proof of Stake(DPoS), Masternode Proof of Stake(MPoS) and many more. Of course we have Proof of Capacity(PoC) some call it Proof of space(PoSpcace) which are our focus.
Proof of Capacity was first was described 2013 in the Proofs of Space paper by Dziembowski, Faust, Kolmogorov and Pietrzak and it is now being used in Brust. The main factor that separates all the mining mechanisms is the resource used. These resources which miners spend in other to have mining rights is a measure of ensuring that one has expense a none-trivial amount of effort in making a statement. The resource being spent in PoC is disk space. Therefore the more disk space you own the more mining rights you get in a PoC consensus mechanism. Here is an extract from the SpaceMint white paper “A PoS is a protocol between a prover P and a verifier V which has two distinct phases. After an initialization phase P is suppose to store some data F of size N, whereas V only holds some piece of information. At any latter time point V can initialize a proof execution phase, and at the end V outputs reject or accept. We require V is highly efficient in both phases, whereas is highly efficient in execution phase providing he stored and has random access to data F”. But we are not going to go into detail the technicalities of the PoC here. Our intent is to have a general understanding and appreciation to the solutions the PoC mechanism has to offer in our already magnificent crypto space. But for those who are intrigue it won’t hurt if you visit the white paper.
Now we get to answer the question why PoC? All the other consensus mechanism are no doubt great without taking anything out of any of them, PoC is in the top if not the top as you will see from the exposition below.
Firstly, PoC is energy efficient. Sure you need a threshold amount of energy in other to connect your disk space to the internet and that’s about it. This is not a big deal even ordinary network users need this threshold of energy in other to transact with the network. In other consensus mechanisms like the Proof of Work, mining requires one should waste enormous amount of amount of energy which comes with significant ecological concerns… global warming, pollution etc… The bitcoin mining network alone is wasting a staggering 37Twh/year that is already more than the energy consumption of some countries imagine combining all cryptos that use PoW.📷
Furthermore, PoC is comparatively cheap. Most people already have some amount of unused disk space it cost almost no addition stress to hook it up and start competing in a PoC system. Moreover, disk space is growing at an exponential. We are doubling the space in a semi-conductor and halving its price every 12-18 months so space would not be a problem. The same cannot be said for other consensus mechanism for example in PoW, power sure is expensive and hardly do people have power lying idle I mean if it is idle why not shot it? For PoS you need to have some coins which translates to you need to spend some money.📷
In additions, there is a significant decrease in unfair distribution of miners in a PoC system. Notice how most PoW mining nodes are concentrated in cold areas and in areas where power is relatively cheaper? This is some kind of centralization which is not a desired feature for the crypto community. Well that won’t be the case for PoC since disk space does not depend of topography and is easily accessible to everyone anywhere.
From the above, we can see that PoC is an ever green eco-friendly, cheap, accessible, decentralized and energy efficient alternative consensus mining mechanism.
Will it replace all other mining algorithm present today? Probably not but it sure has it place up there in the ranking …
submitted by seekchain to u/seekchain [link] [comments]

Fintech Investment Market expected to reach 39.6 Bn with CAGR of 18.40% by 2025, Major Growth Factors, Emerging Trends, Drivers, Opportunities, Challenges and Future Insights

Global Fintech Investment Market to reach USD 152.94 billion by 2025.
Global Fintech Investment Market valued approximately USD 39.6 billion in 2017 is anticipated to grow with a healthy growth rate of more than 18.40% over the forecast period 2018-2025. The growth of an alternative business model that can both replace and complement traditional payment practices is a key growth driver for the fintech market growth. Major banks are helping to incubate, invest in, or partner with FinTech companies. For instance, Oradian, a software provider caters to organizations that offer financial services to low-income individuals. Oradian develops core systems that help microfinance institutions manage their clients efficiently and facilitates day-to-day operations. The Oradian business model relies primarily on creating a niche in the microfinance industry as developing countries are encouraging microfinance institutions and dispersing credit to small businesses in a bid to revive economic growth. The growing popularity of blockchain is also expected to aid market growth over the forecast period. The blockchain is considered the world's most popular bitcoin wallet. Many banks are opting for this technology to execute different tasks (such as authentication processes) or to verify documents residing within the banking system. Blockchain technology can help complete business-to-business transfers at significantly low costs and with minimal decentralization The regional analysis of Global Fintech Investment Market is considered for the key regions such as Asia Pacific, North America, Europe, Latin America and Rest of the World. North America dominated the market, accounting for more market share. In this region, the traditional financial services are at risk as there is a vast number of new technology-enabled entrants. This region is also expected to witness a huge number of partnerships, acquisitions, and competition during the forecast period. Many start-ups have started offering student loans and other types of financing through various FinTech platforms. This is anticipated to increase the deal volumes of investment in the Americas during the forecast period. . The objective of the study is to define market sizes of different segments & countries in recent years and to forecast the values to the coming eight years. The report is designed to incorporate both qualitative and quantitative aspects of the industry within each of the regions and countries involved in the study. Furthermore, the report also caters the detailed information about the crucial aspects such as driving factors & challenges which will define the future growth of the market. Additionally, the report shall also incorporate available opportunities in micro markets for stakeholders to invest along with the detailed analysis of competitive landscape and product offerings of key players. The detailed segments and sub-segment of the market are explained below:
By Application:
P2P Lending Online Acquiring and Mobile Wallets Personal Finance Management or Private Financial Planning MSME Services MPOS Mobile First Banking Bitcoin Crowd Funding Others

Request us to get the Sample Copy of the [email protected]
By Regions: North America U.S. Canada Europe UK Germany Asia Pacific China India Japan Latin America Brazil Mexico Rest of the World
Furthermore, years considered for the study are as follows:
Historical year – 2015, 2016 Base year – 2017 Forecast period – 2018 to 2025
The industry is seeming to be fairly competitive. Some of the leading market players include ZhongAn (China), Oscar, Wealth front, Quefangi, Funding Circle, Kreditech, Avant., Atom Bank, Klarna, Our Crowd and so on. Acquisitions and effective mergers are some of the strategies adopted by the key manufacturers. New product launches and continuous technological innovations are the key strategies adopted by the major players.
Target Audience of the Global Fintech Investment Market in Market Study:
Key Consulting Companies & Advisors Large, medium-sized, and small enterprises Venture capitalists Value-Added Resellers (VARs) Third-party knowledge providers Investment bankers Investors
submitted by Prathamesh_Rathod to u/Prathamesh_Rathod [link] [comments]

#BetTronLive On TRON Network

#BetTronLive On TRON Network

#BetTronLive is based on the TRON network - one of the largest blockchain- based operating systems for global entertainment platforms running DApps in the TRON ecosystem.

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04-07 09:53 - 'Bitcoin Network Status Update Saturday, April 06, 2019' (self.Bitcoin) by /u/crypto_bot removed from /r/Bitcoin within 1034-1044min


Status of the Bitcoin network as of Saturday, April 06, 2019 at 12:00:01 EST:

Total bitcoins: 17,631,083.544972
Height: 570,493
Difficulty: 6,379,265,451,411.052734
Statistics for the past 24 hours:
Number of blocks mined: 144
Total bitcoins output (amount sent): 774,508.373395
Total fees: 80.657817
Average time until block found: 10 minutes, 0 seconds
Estimated hashrate: 45,664,560,810.521912 gh/s
Current price: US$5,130.47
Data provided by []1 . Price data provided by []2 .
I am a bot. *[My commands]3 * | /crypto_bot | [Message my creator]4 | [Source code]5
Bitcoin Network Status Update Saturday, April 06, 2019
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Disk Digger Pro Apk || DiskDigger Importance || Recover Lost Files

In the Present scenario, Technology is growing too fast and we all are experiencing that our smartphone, PC, and Laptops carrying various files with the help of SD cards and internal memory. We will think that our files are in very secure places but if any file deleted unexpectedly then what you will do?. Don't worry, I already told you that tech is growing as fast as it can. Here I'm going to discuss the best data recovery services aka (DiskDigger) which are a perfect example of it. Let's go down to get more details of DiskDigger( Deep file recovery from any drive).
DiskDigger is a tool which can recover deleted files like photos, documents, music, video and much more.
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DiskDigger can recover lost files from most types of media that your computer can read: hard disks, USB flash drives, memory cards, CDs, DVDs, and floppy disks. (Note: Make sure that you have to connect your device with a USB port to recover lost data from Android and IOS devices ). And one more important thing is you have to download the diskdigger app on your android phone to recover lost files. Suppose if your Android device uses a microSD card for saving the data, please remove the card and connect it directly to your PC using a card reader, so that you can scan it directly using DiskDigger for Windows.)
DiskDigger has two processes which you have to choose every time while scanning a disk. These methods are named as “dig deep” and “dig deeper“.
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02-04 06:32 - '**Cynthia Dwork** / Cynthia Dwork (born 1958) is an American computer scientist at Harvard University, where she is Gordon McKay Professor of Computer Science, Radcliffe Alumnae Professor at the Radcliffe Institute for Ad...' by /u/WikiTextBot removed from /r/Bitcoin within 597-607min

Cynthia Dwork
Cynthia Dwork (born 1958) is an American computer scientist at Harvard University, where she is Gordon McKay Professor of Computer Science, Radcliffe Alumnae Professor at the Radcliffe Institute for Advanced Study, and Affiliated Professor, Harvard Law School. She is a distinguished scientist at Microsoft Research.
Moni Naor
Moni Naor (Hebrew: מוני נאור‎) is an Israeli computer scientist, currently a professor at the Weizmann Institute of Science. Naor received his Ph.D. in 1989 at the University of California, Berkeley. His advisor was Manuel Blum.
He works in various fields of computer science, mainly the foundations of cryptography.
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18 minutes per block currently - Update / Gravity Well Needed?

Hashing spiked very high then dropped hard leaving the normal target of 2.5 minutes per block currently at about 18 minutes per the SecDSM Dashboard.
If we can get the code updated to the current Litecoin base it would be great to add some Gravity Well code. We need it b/c we have such a small amount of hashing power and it would fix the slow changing difficulty levels that arise when ASICs dump a huge amount of hashing power then stop, leaving only 1% of the total hash rate, and all those slow miners have to work through block times that take 10x as long (and get a 10x less reward for doing it.)
Dark Gravity Wave (DGW) apparently fixes some exploit in Kimoto Gravity Well.
I think the bug in MPOS showing est. next block info incorrectly based on the 720 vs. 2016 blocks (?) may be factoring in here.
Looks like darkmatter tried to start to recompile or update. Anyone want to take a lead here?
submitted by def2084 to defcoin [link] [comments]

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Green Party of British Columbia
The Green Party of British Columbia is a political party in British Columbia, Canada. It was founded in 1983 and based in Victoria. The party won its first seat in the provincial legislature in the 2013 provincial election. The party won 3 seats in the 2017 provinical election, making it the first elected Green caucus with more than one member in North America.
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Qtum Releases Skynet, With Decentralized Governance and Smart Staking

Qtum is a decentralized blockchain project built on Bitcoin's UTXO model, but with support for Ethereum Virtual Machine based smart contracts. It achieves this through the revolutionary Account Abstraction Layer. For more general information about Qtum as well as links to join our community, go to
Welcome to Qtum Skynet, the second public testnet for the Qtum blockchain. The previous testnet was named Sparknet. The testnet is only for testing, as such, its tokens hold no value and production applications should not yet be created on the testnet blockchain. All tokens aqcuired during the testnet will cease to exist when the mainnet is released which actually has tokens which hold value. The purpose of the public testnet is to allow developers to begin testing and developing applications, allow early adopters to see a preview of how the network will behave, and for the Qtum development team to run several load tests which are not directly comparable when done on a private and controlled network.
Qtum Skynet will ideally have the same consensus features and parameters as the Qtum mainnet. We do not intend to add new consensus features during this period and the Skynet testnet should be a very realistic preview of how the mainnet network will function and behave. We will be added new non-consensus features such as new RPC commands, GUI features, and of course bug fixes and other things that make Qtum easier to use without modifying the blockchain protocol.
The major features and improvements implemented in Skynet include:
The Decentralized Governance Protocol is completely implemented and functional
The Smart Staking Protocol is complete to our specifications (Sparknet was missing a feature called MPoS which makes attacks more expensive to execute)
A very early and basic smart contract GUI has been implemented that can be used for creating contracts, sending data and Qtum to them, and checking their status by executing them locally A great number of bug fixes and various improvements, including a bug fix to a performance problem which caused Sparknet nodes to sync extremely slowly as the blockchain grew larger All Solidity operations for smart contracts behave as expected now. The only compatibility break is contracts are not allowed to create contracts with an initial endowment of coins. The contract must first be created and then sent coins in a separate transaction. For more