BitMart experienced a large-scale security breach in which hackers were able to withdraw assets valued at up to approximately $150m, according to the cryptocurrency trading platform's CEO.
The Nasdaq-listed trading platform, Coinbase, says about 6,000 of its users were suffering as victims of a phishing attack that saw user's balances cleared.
Australians continue to suffer from online scams. More than half of the $70 million in losses were to cryptocurrency, especially through Bitcoin, a study says.
Hong Kong police announced Friday the authority has dismantled a cryptocurrency investment scam involving as much as 60 million Hong Kong dollars. At least 19 people are under arrest.
Hong Kong Customs announced Thursday that the authority had dismantled a local cryptocurrency money-laundering syndicate involving HK$1.2 billion ($US 155 million). The operation is considered the first case for the same kind in the city.
JBS's CEO Andre Nogueira revealed the company had paid hackers $11 million worth of Bitcoin ransom to set free. Nogueira insisted that is the right decision.