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JPMorgan Chase on Thursday unveiled a prototype for a digital coin system using blockchain, a first among major banks as disruption accelerates change in financial services. The system, called JPM Coin, which for now is only at the prototype stage and for business-to-business deals, would ...
Cryptocurrency exchange CEO dies holding only passwords that can unlock millions in customer coins
Digital-asset exchange Quadriga CX has a $200 million problem with no obvious solution — just the latest cautionary tale in the unregulated world of cryptocurrencies. The online startup can't retrieve about 190 million Canadian dollars ($145 million) in bitcoin, Litecoin, Ether and other digital tokens ...
Hit by tougher standards and falling prices, Japan's cryptocurrency players face a pivotal 2019
Japanese crypto-exchange operators unexpectedly faced major problems last year due to the unprecedented hack in late January of Tokyo-based Coincheck Inc., which lost digital tokens estimated at the time to be worth ¥58 billion and caused commotion across the industry. This has prompted the country's ...
Prosecutors have sought a 10-year prison term on charges of embezzlement for the former CEO of Mt. Gox Co., once the world's largest bitcoin digital currency exchange, officials announced Wednesday. Prosecutors told the Tokyo District Court that Mark Karpeles, 33, "diverted company funds for such ...
The myth of the stable cryptocurrency
The problems with the latest wave of cryptocurrencies will be familiar to anyone who has encountered even a single study of speculative attacks on pegged exchange rates.
¥6.7 billion in digital money stolen from Osaka firm
Hackers gained unauthorized access to the exchange’s hot wallets, which are less secure and where funds are held for immediate transactions.
SEC quashes more bitcoin ETF pitches in another blow to cryptocurrencies
The U.S. Securities and Exchange Commission has rejected another round of attempts to list exchange-traded funds backed by bitcoin, blocking ETFs from ProShares, GraniteShares and Direxion, on concern prices could be vulnerable to manipulation. In a trio of orders posted on the agency's website Wednesday, ...
Chinese police nab three suspects after $87 million cryptocurrency theft
Chinese police have arrested three suspects who allegedly stole assets worth 600 million yuan ($87 million) through hacking, state media reported Sunday, as cybercriminals target holders of Bitcoin and other virtual currencies. Police in the northern city of Xian began investigating in March when a ...
World's biggest Bitcoin-mining rig maker Bitmain eyes move into AI
The 1980s cyberpunk novels that predicted today's internet failed to conceive of anything as outlandish or contradictory as Bitcoin: A digital currency that's spent nowhere, a commodity that's used for nothing, and a libertarian dream that is effectively run by elites. Now, after its 66 ...
The country's financial watchdog plans to impose stricter regulations on bitcoin and other cryptocurrencies in the wake of the massive theft at Coincheck Inc., a Tokyo-based virtual currency exchange operator, in January and the use of such digital money for speculative investments. In April 2017, ...
Is bitcoin creator writing a book? Cryptic note indicates yes
Is the unknown creator of bitcoin writing a book about it? That could be concluded from a cryptic message posted Friday at a website possibly linked to Satoshi Nakamoto, the pseudonym used by the person or people who released the original bitcoin white paper in ...
Mt. Gox creditors get new avenue in years-long attempt to recover bitcoin losses
Things may be looking up for creditors of Mt. Gox, which was the world's biggest bitcoin exchange before going in flames after saying thousands of bitcoins had disappeared. The Tokyo District Court on Friday approved the start of civil rehabilitation proceedings, meaning the bankruptcy process ...
