Venezuela on Tuesday was set to become the first country to launch its own version of bitcoin, a move it hopes will provide a much-needed boost to its credit-stricken economy.
Authorities investigating a suspected bitcoin-related scam centred in Austria have asked Interpol to help determine whether there might be perpetrators - and victims - of the scheme across Europe.
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.
US regulators on Tuesday joined a growing chorus of officials saying they made need new powers to regulate cryptocurrencies which pose risks the investing public does not recognize.
Japan-based virtual currency exchange Coincheck said Sunday it will refund about $400 million to customers after hackers stole hundreds of millions of dollars' worth of digital assets.
Devices used to manage accounts on the innovative payment system Bitcoin could be improved to provide better protection against hackers, research suggests.