Tagbitcoin core

BitMEX Takes Aim at Bitcoin Core, Will Launch Competing Software Client

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The research arm of cryptocurrency trading platform BitMEX has announced that it will launch its own Bitcoin software client to compete with reference implementation and industry standard Bitcoin Core. Unveiled this week in a lengthy post discussing the merits of competing software clients, BitMEX Research said that it chose to release its own BTC client to help correct the misunderstanding that...

Bitcoin Core Vulnerability Would Have Allowed Miners to Inflate the BTC Supply

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A newly-patched vulnerability in Bitcoin Core was far more severe than initially revealed, developers disclosed in an updated statement on Thursday. Bitcoin Vulnerability More Serious Than Earlier Announced The statement, posted on the website for the open source project, revealed that Bitcoin Core versions 0.16.3 and 0.170rc4 not only patch a denial-of-service (DoS) bug but also address a...

Bitcoin Cash ‘Chain-Splitting’ Bug was Detected by Bitcoin Core Dev.

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It has emerged that the “unknown person” who notified Bitcoin ABC developers of a vulnerability in Bitcoin Cash which would have resulted in the unintended split of the altcoin’s network is actually a Bitcoin Core (bitcoin’s primary software implementation) developer. In a Medium blog post, Corey Fields revealed that he was responsible for anonymously and privately informing Bitcoin...

Bitcoin.org Redesign Goes Live, Removes References to Pro-SegWit2x Companies


Bitcoin.org launched a new website design on and has removed references and links to certain partners, including BitPay, Coinbase, and Blockchain.   The removal of the companies occurred most on the resources pages, namely the exchanges page. The argument for removing these large players, who have helped with increasing adoption for new users, is that they act against decentralized...

‘BetterHash’: Bitcoin Core Dev. Proposes New Protocols to Decentralize Bitcoin Mining

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Bitcoin Core developer Matt Corallo has published a draft of a Bitcoin Improvement Proposal (BIP) that aims to further decentralize bitcoin mining through the adoption of a new mining protocol. Published by Corallo — perhaps better known by his social media handle TheBlueMatt — on his personal GitHub repository this week, the “BetterHash Mining Protocol(s)” seeks to address one of the...

Bitcoin Core Dev: BTC Source Code Should Be Removed from GitHub [Eventually]


Bitcoin Core developer Wladimir van der Laan said that Microsoft’s acquisition of GitHub should spur discussion about moving the Bitcoin code repository off GitHub and to an independently-hosted platform. Reports first emerged over the weekend that Microsoft had reached an acquisition agreement with GitHub, and the two parties confirmed the $7.5 billion deal on Monday. The move proved to be...

Bitcoin Core 0.16.0 Goes Live: Here’s What Changes in this Major Update

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Bitcoin Core version 0.16.0 has officially been marked for release by developers, ushering in a host of improvements to the wallet software’s codebase. Bitcoin Core 0.16.0 Adds Full Support for SegWit As CCN reported, the most notable change in 0.16.0 is the introduction of full support for Segregated Witness (SegWit), a scaling solution that activated on the Bitcoin network last August. Users...

Greg Maxwell Resigns from Blockstream to Focus on ‘Deep Protocol Work’


Bitcoin Core developer Greg Maxwell has resigned from blockchain startup Blockstream to focus his efforts on open-source protocol development. Maxwell made this announcement in an email distributed to the bitcoin-dev mailing list, adding that he had submitted his resignation in November but had only just wound down his involvement with the company. “In order to spend more time working...

Bitcoin.org Threatens to Publicly Denounce SegWit2x-Supporters


Bitcoin.org has threatened to publicly denounce companies that support SegWit2x and have not committed to treating the competing blockchains as separate cryptocurrencies in the event of a chain split. On Thursday, Bitcoin.org published a blog post revealing that it will publicly denounce supporters of the controversial SegWit2x hard fork on October 11. The website, which was originally founded by...

Vinny Lingham Says Core Dev Threatened Him For NYA Support


Civic CEO and Gyft co-founder Vinny Lingham claims a Bitcoin Core developer threatened him for supporting the controversial New York Agreement (NYA) earlier this year. Lingham made the accusation on Twitter following a tweetstorm between prominent Core and SegWit2x supporters. Barry Silbert Accused of Using Threats to Promote NYA The tweetstorm began when Bitcoin Core contributor Matt Corallo...

Bitwala Refuses to Follow SegWit2x Fork without Core Dev Support


Blockchain banking and payment platform Bitwala has rescinded its support for the New York Agreement and says it will not “fork away” from the Bitcoin Core-backed blockchain if a blockchain split occurs in November. Bitwala Rescinds NYA Support In a blog post meant to clarify its stance on SegWit2x, the Berlin-based company stated that as an early signatory to the New York Agreement they did not...

Here’s Why BitPay Was Accused of ‘Fraud’ by Bitcoin Core Dev Peter Todd

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Since its founding in 2011, BitPay has been a fixture of the cryptocurrency ecosystem. However, this company incurred the wrath of a significant portion of the bitcoin community over the weekend following a blog post that many people labeled as deceptive. In response to the post, one developer promised to fork the BitPay code, prominent figures including Peter Todd accused the company of fraud...

Eric Lombrozo: “Both Technical and Legal” Action Ready for Lack of Bitcoin Replay Protection

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In Bitcoin, a replay attack is the ability to re-use transactions from one chain on another. There are methods of preventing this, and Bitcoin Cash was able to implement them. Yet, for whatever reason, proponents of the Bitcoin New York Agreement coin, dubbed Segwit2X, do not want replay protection when their proposed hard fork takes place. According to Emil Oldenburg of Bitcoin.com, demanding a...

Bitcoin Cash: Another Fork in the Road for Bitcoin

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Last week the bitcoin community and investors breathed a sigh of relief as BIP 91 locked in and activated, signalling what we thought was a great step forward in finally resolving the long standing Bitcoin scaling debate. Confidence soared and the price recovered from a previous tumble. And then came a twist. In the last 72 hours, Bitcoin increasingly looks as though it is heading for a user...

Bitcoin Bounces Back as BIP 91 Restores Confidence

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“Bitcoin’s Bubble Bursts” “The Start of the End for Bitcoin” “Cryptocurrency Bloodbath as Bitcoin and Others Tank” These, and every variation thereof, have been the headlines splashed across media channels over the last few weeks, as bitcoin’s price turned downwards for about a 10-day period. Any pullback gives detractors the opportunity to voice their views, and they will do so with gusto...

Bitcoin Price Will See “Fairly Dramatic Dip” after Hard/Soft Fork: Wealth Daily

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Alexandra Perry, a writer for investment publication Wealth Daily has advised readers in an opinion piece that an impending fork in bitcoin’s network could bring a “blood bath” to bitcoin. Perry wanted to educate investors on the difference between the two possible forks – hard and soft – and advise on what protective measures investors can take. Recognizing that bitcoin’s value has...

Opinion: How Barclays Seeking Cryptocurrency Regulation Impacts Bitcoin


On Monday 26th June, CNBC reported that in an interview with Barclays UK Chief Executive Ashok Vaswani, Barclays had discussed with the FCA the possibility of bringing cryptocurrencies, like Bitcoin, ‘into play’ through the introduction of regulation. As one can imagine, such news can have a largely positive impact on Bitcoin. Two years ago, a news article of this magnitude would send the bitcoin...

Bitcoin Price Hits $2,900 After Market Correction, $3,000 imminent

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Bitcoin price surpassed the $2,900 mark in most major bitcoin exchange markets after recovering from a minor market correction earlier this week. Chinese and Japanese bitcoin exchange markets are trading bitcoin at above $2,900 while US and South Korea are moving toward the $2,900 region. Chinese bitcoin exchanges have already reached the $3,000 mark, recording a new all-time high price for...

As Recommended Fees Go Past $2, Bitcoin Direly Needs a Scaling Solution

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Bitcoin needs to scale urgently and the necessity of a scaling solution is being clearly shown on the rapidly rising fee market. Currently, bitcoin users have to attach a fee of 420 satoshis/byte in order to have transaction confirmed relatively quickly. Since the median transaction size of bitcoin is 226 bytes, the 420 satoshis/byte recommended fee costs users over $2 per transaction. For most...

Privacy-Focused Samourai: Bitcoin Users Should Activate Segwit If Miners Won’t


Samourai, the development team that consists of privacy activists building an open source bitcoin wallet platform called Samourai Wallet, recently encouraged users to stand for Bitcoin Core’s Segregated Witness (Segwit) and work toward activating it if the miners continue to reject the solution for unjustified reasons. On April 9, the Samourai team stated: “We support & encourage...

Bitcoin Core Runs “Trolling Campaigns”, Says Lightning Network Developer


Joseph Poon, Lightning Network developer, has publicly stated today that Bitcoin Core has “a secret channel where they organize their PR and trolling campaigns.” He further stated that “many people have talked about it (more than 5 people) and it’s alluded to it in various places which are publicly accessible since it’s basically where a lot of decisions around PR happens.” The statement was...

Schism Developing Between Lightning Network and Bitcoin Core Developers


The latest developments in the Cryptowar are what appears to be a developing schism between some Lightning Network developers and contributors to Bitcoin Core after Joseph Poon, a Lightning Network developer, Stephen Pair from BitPay, Christopher Jeffrey from Purse and Fedor Indutny, published an extension blocks proposal that both increases on-chain capacity and fixes malleability. Discussions...

No Blocksize Increase Needed for Years, Argues Bitcoin Core Dev


A Reddit discussion on increasing the bitcoin block size clarified why many are opposed to the bitcoin hard fork. A poster asked Bitcoin Core developers to explain their vision on increasing the block size. The poster claimed to be “very strongly anti-Bitcoin Unlimited (BU) but mildly in favor of bigger bitcoin blocks. BU has been proposed as a solution to scaling the bitcoin network that will...

Litecoin Price Doubles, Thanks to SegWit?


Litecoin has more than doubled in the past five days, rising from around $4.30 to just under $9.50 after months of no activity. The reason appears to be segregated witnesses (segwit), a protocol upgrade that facilitates the Lightning Network and, potentially, sidechains. Segwit is currently going through the activation process, seemingly stalling for two months, but has now surged to just under...

Canadian Bitcoin Nodes Reject Bitcoin Unlimited, Call It An Altcoin


A group of Canadian bitcoin nodes has formally rejected the Bitcoin Unlimited (BU) hard fork proposal. The Statement on Hard Fork by Canadian Economic Nodes was posted on Hackernoon by Francis Pouliot, CEO of Satoshi Portal and director of Bitcoin Embassy, and signed by Canadian investors, merchants and users that use bitcoin daily. The group claimed to be the “frontlines” of bitcoin adoption...

Roger Ver Agrees To Sell BTC For BTU At 1:1 Ratio

roger ver

Roger Ver, the bitcoin broker/asset manager and Bitcoin Unlimited supporter, has agreed to a one-to-one trade of Bitcoin Unlimited (BU) for bitcoin, signaling his confidence in Bitcoin Unlimited. The offer is for at least 60,000 bitcoins and as much as 130,000 bitcoins. with a bitcoin split pending. Someone has apparently offered to exchange his BTU for Ver’s BTC at a one-to-one rate. The bitcoin...

Bitcoin Unlimited at Almost 40%, Chandler Guo to Join


The network hashrate share of bitcoin unlimited now stands at 37.6% over the longer time frame of 1,000 blocks. It is expected to further increase as Chandler Guo, a well-known bitcoin miner in the Chinese community, publicly stated: i jump to #BitcoinUnlimted today! pic.twitter.com/0oPDlXhgFL — Chandler Guo (@ChandlerGuo) March 21, 2017 That is likely to increase the hashrate to 43%...

18 Bitcoin Exchanges Say They’re Ready For A Bitcoin Split


A group of 18 bitcoin exchanges has prepared for a possible split in the bitcoin network. The group released a statement which noted they intend to support a hardfork for practical reasons, designating it as an “incompatible protocol implementation.” The statement also said the group is not passing judgment on a hardfork. The 18 exchanges include Bitfinex, Bitso, Bitbank, Bitonic, Bitstamp...

Bitcoin Core Developers Attack Bitcoin Unlimited

Bitcoin DDoS

Editor’s Note: The article has been amended to remove references to Bitcoin Core contributor Eric Lombrozo, who has confirmed to CCN that he is not related to ‘ciphera‘, as reported erroneously at the time of publishing. The empire strikes back. As the people rise and gain the majority of miners who have decided, Bitcoin Core developers have gone on the attack. A bug on the overlay xThin...

Bitcoin Core Supporter Threatens Zero Day Exploit if Bitcoin Unlimited Hardforks

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Editor’s note: The article has been updated to remove references to Bitcoin Core contributor Eric Lombrozo, who has confirmed to CCN that he is not related to ‘ciphera‘, as reported erroneously at the time of publishing. Tempers seem to be flaring in bitcoin land as some Bitcoin Core supporters threaten to attack the currency if the economic majority decides to increase...

Bitcoin Unlimited Surpasses 30% of the Network’s Share


In a surprising move, the network’s share of Bitcoin Unlimited jumped by more than 10% in the past 24 hours, rising from around 20% to more than 30%, the highest any alternative client has ever achieved. The significant increase coincides with the sudden arrival of 100 Bitcoin Unlimited nodes earlier this week. Although there were suggestions these nodes are fake, it now appears more likely that...

Bitcoin Industry Colluded, Says Miner


After almost two years of debate and seemingly nothing left to be said on the topic of bitcoin scalability, miners continue to not make a concrete decision with transaction backlogs now becoming common. BW.com, a mining pool with around 7% of the network’s hashrate, signals for 8MB blocks, but has never mined with any client which increases maxblocksize. Bitmain’s co-founder, Micree Zhan, stated...

Bitcoin Market Needs Big Blocks, Says Founder of BTC.TOP Mining Pool


Jiang Zhuoer, a former employee at China Mobile in Shanghai, the world’s largest mobile phone operator, where he led a 13-men team working on Data Warehouse and Big Data before establishing BTC.TOP, a new bitcoin mining pool that has suddenly shot to around 8% of the network’s hashrate, tells CCN in an interview: “The market needs big blocks. If Core doesn’t want to (or can’t) give it, the...

Bitcoin Core Dev’s Blocksize Reduction Proposal Draws Ire from ViaBTC Founder


Haipo Yang, ViaBTC’s founder and former employee at the Chinese internet giant Tencent, expressed strong criticism in a brief interview with CCN towards Luke-Jr, a Bitcoin Core developer and Blockstream contractor, regarding his proposal to reduce the blocksize to 300kb or, alternatively, for the network to wait another 7 years before an increase of the current 1MB transaction capacity. Yang...

Bitcoin Core Dev Recommends a 70% Reduction in Transaction Capacity after $250 Million Backlog

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Luke-jr, developer of the Bitcoin Core client and Blockstream contractor, has recommended in a developers’ mailing list Bitcoin Improvement Proposal announcement an instant 70% reduction of bitcoin’s transaction capacity to 300kb, followed by a yearly increase of around 17%, reaching the current transaction capacity of 1MB in 2024. Thereafter, it is intended to continue increasing by 17%...

Roger Ver Says He Was Misled about Recorded Block Size Debate


A widely shared discussion between Bitcoin core developers, representatives of the Bitcoin ecosystem and Roger Ver was released onto Soundcloud (transcript here), despite Mr. Ver never having been formally invited to an interview. “I was invited to the channel under completely false pretenses,” Mr. Ver tells CCN. “I was told it was just to talk with members of the community, but when I...

A Core Developer Calls the Bitcoin Business Community ‘Entitled’


In what’s perhaps the most important discussion had between Bitcoin core developers and perhaps the most influential voice in Bitcoin, Roger Ver, Bitcoin core developer and Ciphrex founder Eric Lombrozo made comments about Bitcoin business leaders in reply to a comment made by Mr. Ver. The very telling comments highlight a rift between the Bitcoin development team and those building...

Segregated Witness: Coming to a Bitcoin Core near You


Segregated Witness, a scaling and far-reaching improvement for Bitcoin, could start being implemented across the network as early as November 15th. The technology will have a lot of implications for users of Bitcoin, including potentially lower fees, slightly higher transaction capacity, elimination of the malleability problem, and increased security for multi-signature transactions. The date of...

Factom Chairman on Bitcoin: “The Sooner We Fork The Better”


As the release date of Segregated Witness approaches, the support for Bitcoin Core and its innovative scaling solutions is rapidly increasing. However David Johnston, chairman of the Factom Foundation, believes a hard fork is necessary to accommodate more users onto the bitcoin network. Bitcoin Core’s rivaling alternative hard fork proposal Bitcoin Unlimited recently began to obtain a serious...

Purse Introduces Bcoin Library To Spur Bitcoin Applications


Purse, an online marketplace that encourages bitcoin use and innovation, has introduced bcoin, a Javascript library to help bitcoin businesses build applications. Purse provides a full node implementation that allows it to utilize new additions to the bitcoin code base as they become available. Bcoin is consensus aware and is up to date with the latest BIPs, supporting Segregated Witness...

Ethereum To Surpass Bitcoin? Gavin Andresen Tweet Foretells Growing Sentiment


Gavin Andresen raised eyebrows recently when he tweeted that Ethereum has more nodes now than bitcoin and that it will grow its lead as its block size exceeds bitcoin’s.  Ethereum has more nodes today than Bitcoin. Prediction: it's lead will grow even as its blockchain size exceeds bitcoin's. — Gavin Andresen (@gavinandresen) September 25, 2016 Andresen, chief scientist at the...

Bitcoin Developers Warn New Core Release Could Be Targeted by State Sponsored Hackers


Bitcoin.org, the Bitcoin Core website, has warned users to be vigilant downloading binaries for the upcoming 0.13.0 Bitcoin Core release because it will likely be targeted by state-sponsored attackers. Bitcoin.org does not believe it has the resources to defend against the attack. The Chinese bitcoin community is especially warned. A key is recommended for download. Warning: Uses Could Lose Coins...

Chinese Miners’ Influence on the Future of Bitcoin


As the bitcoin community seeks consensus on how to address bitcoin transaction time, a meeting this month in Silicon Valley could indicate how likely the chances are for consensus, according to Bloomberg. The proceedings will likely reflect the impact of China’s miners, who are estimated to control 70 percent of all bitcoin mining. Consensus on what to do to improve transaction time is considered...

Bitcoin Core Feature Allows Flagging Transactions for Replacement

Bitcoin Core

A Bitcoin Core addition called Opt-In Replace-By-Fee (Opt-in RBF) allows transactions to be flagged as replaceable and replaced until the transaction gets confirmed in the next block, according to Nasdaq. It gives wallets the chance to add a signal to a transaction that gives permission for nodes to update the transaction. Opt-in RBF was part of the original bitcoin software but was removed due...

Bitcoin Core Launches Sponsorship Program To Support R&D

Bitcoin Core

Bitcoin Core, the open source project that maintains bitcoin client software called “Bitcoin Core,” has launched a sponsorship program in an effort to involve more of the cryptocurrency community in the project. The sponsorship program provides a way for the industry to support research, projects and development. Some of the more overlooked aspects of the project include infrastructure...

Is Bitcoin’s Civil War Over?


It has been almost a year since the Great Bitcoin Debate, which unleashed Bitcoin’s civil war, was brought to public attention. Now, a year later, an unofficial truce seems to have been reached with bitcoin’s potential crypto competitors, such as Ethereum, and potential competition from numerous bank sponsored consortiums focusing attention once again on making bitcoin great and appealing...

Coinbase’s Armstrong Urges Switch To Bitcoin Classic To Fix Scaling Disaster


Brian Armstrong, co-founder and CEO of Coinbase, left the Satoshi Roundtable very concerned about bitcoin’s scaling challenge and is urging everyone to upgrade to Bitcoin Classic to buy time to address the scaling issue and prevent serious problems. Writing on Medium, Armstrong summed up the scaling divide evident at the Satoshi Roundtable. On one side are the core developers concerned about how...

Want Bitcoin To Replace Fiat? Here’s What’s Needed To Make It Happen


As bitcoin use keeps growing and gaining public attention, the question naturally arises: will it replace fiat currency? Bitcoin’s price gains in 2015 and the current emergence of two competing bitcoin versions – Bitcoin Core and Bitcoin Classic – have raised expectations in some quarters that bitcoin could replace fiat currency, according to Bloomberg. Bitcoin Debates Based On False Premise Noah...

Bitcoin Splitsville: Hard Forks and Heart Breaks in Technology


The old adage “Be careful what you wish for” is apt. With Bitcoin, we have finally arrived. Blockchain technology is now front and center. Big finance, and by way of, big money is now involved. Pandora’s Box is wide open and the new path forward wears a suit and carries a nice leather briefcase. Although this may not sit well with Tech Libertarians (or various degrees of this...

MIT to Host Bitcoin Core Developers


The Media Lab at the Massachusetts Institute of Technology (MIT) will host three Bitcoin core developers at the MIT Digital Currency Initiative today. An MLTalks (MIT Labs) session will see three Bitcoin core developers in a conversation session hosted by former White House advisor Brian Forde today. The event is scheduled to start Tuesday, November 17, 2015, 2:30 PM – 4:00 PM. A live webcast can...