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Bitcoin (abbreviation: BTC; sign: ) is the first decentralized cryptocurrency. Nodes in the peer-to-peer bitcoin network verify transactions through cryptography and record them in a public distributed ledger, called a blockchain, without central oversight. Consensus between nodes is achieved using a computationally intensive process based on proof of work, called mining, that guarantees the ...
In March, the bitcoin transaction log, called the blockchain, temporarily split into two independent chains with differing rules on how transactions were accepted. For six hours two bitcoin networks operated at the same time, each with its own version of the transaction history.
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Satoshi Nakamoto is the name used by the presumed pseudonymous[1][2][3][4] person or persons who developed Bitcoin, authored the Bitcoin white paper, and created and deployed Bitcoin's original reference implementation.[5] As part of the implementation, Nakamoto also devised the first blockchain database.[6] Nakamoto was active in the ...
- Founding
- Security Breach, User DB Leak, and Invalid Addresses
- Processor of Most of World's Bitcoin Trades; Issues
- Withdrawals Halted; Trading Suspended; Bitcoin Missing
- Bankruptcy; Stolen Bitcoin
- External Links
In late 2006, programmer Jed McCaleb thought of building a website for users of the Magic: The Gathering Online tradable card game service, to let them trade "Magic: The Gathering Online" cards like stocks. In January 2007, he purchased the domain name mtgox.com, short for "Magic: The Gathering Online eXchange". Initially in beta release, sometime ...
In March 2011, McCaleb sold the site to French developer Mark Karpelès, who was living in Japan, stating that "to really make mtgox what it has the potential to be would require more time than I have right now. So I've decided to pass the torch to someone better able to take the site to the next level."[citation needed] On 13 June 2011, the Mt. Gox...
On 22 February 2013, following the introduction of new anti-money laundering requirements by e-commerce/online payment system company Dwolla, some Dwolla accounts became temporarily restricted. As a result, transactions from Mt. Gox to those accounts were cancelled by Dwolla. The funds never made it back to Mt. Gox accounts. The Mt. Gox help desk i...
Customer complaints about long delays were mounting as of February 2014, with more than 3,300 posts in a thread about the topic on the Bitcoin Talk online forum.[citation needed] On 7 February 2014, Mt. Gox halted all bitcoin withdrawals. The company said it was pausing withdrawal requests "to obtain a clear technical view of the currency processes...
On 28 February 2014, Mt. Gox filed in Tokyo for a form of bankruptcy protection from creditors called minji saisei (or civil rehabilitation) to allow courts to seek a buyer, reporting that it had liabilities of about 6.5 billion yen($65 million, at the time), and 3.84 billion yen in assets. The company said it had lost almost 750,000 of its custome...
Blockchain.com (formerly Blockchain.info) is a cryptocurrency financial services company. The company began as the first Bitcoin blockchain explorer in 2011 and later created a cryptocurrency wallet that accounted for 28% of bitcoin transactions between 2012 and 2020. It also operates a cryptocurrency exchange and provides institutional markets ...
At least 130 accounts affected. The bitcoin addresses involved received about US$ 110,000 in bitcoin transactions. On July 15, 2020, between 20:00 and 22:00 UTC, 130 high-profile Twitter accounts were reportedly compromised by outside parties to promote a bitcoin scam.
Transaction malleability is considered to be one of the largest ongoing threats to blockchain technology, as it can compromise financial transactions such as Bitcoin and other cryptocurrency transactions, and cause other issues in the network.
