Google says it is going to ban advertisements for cryptocurrencies such as bitcoin, as well as related content like trading advice and cryptocurrency wallets.
Japan-based virtual currency exchange Coincheck said Tuesday it had refunded more than $440 million to customers following the hack of its systems, which was one of the largest thefts of its kind.
Bank of England Governor Mark Carney has launched a withering attack on cryptocurrencies such as bitcoin Friday and urged regulators around the world to monitor them in the same way as other financial assets.
Cryptocurrency traders filed a lawsuit Thursday against Japanese exchange firm Coincheck for freezing withdrawals after hackers stole hundreds of millions of dollars in digital assets.
A sharp fall in the value of Bitcoin may cause other cryptocurrencies to crash, but is unlikely to have a significant impact on traditional assets, according to new research published in the journal Economics Letters.
The head of the Bank of International Settlements, the central bank for central banks, on Tuesday lambasted bitcoin as a speculative bubble and said authorities need to be ready to protect public trust in the financial system.
China plans to stamp out all remaining cryptocurrency trading in the country by blocking access to overseas-based websites and removing related applications from app stores.
A hacking theft that netted $530 million, a ban on Facebook advertising, regulation even in Russia and more wild price swings: despite another stomach-churning week for cryptocurrencies, analysts say they are here to stay.
A senior U.S. Treasury official touring Asia has urged banks and financial regulators in the region and elsewhere to do more to tighten oversight of booming trading in bitcoin and other crypto currencies.
Nordea, the Nordic region's biggest bank, said Monday it would bar employees from trading in bitcoin and other cryptocurrencies as of February 28 due to the unregulated nature of the market.