Happycoin.club - Coinbase (NASDAQ:COIN) offers a reward of $20 million for information that helps identify and punish the criminals who attempted to extort the exchange due to stolen user data.

The company noted that the criminals obtained account data for less than 1% of Coinbase users from support staff working abroad. These insiders leaked confidential information, allowing the criminals to impersonate Coinbase employees and engage in social engineering fraud. This was reported by blockchain security expert ZachXBT.