Coinbase says it has reduced unnecessary account freezes by 82% after years of user complaints about prolonged access issues.

Upon discovering these access instances, Coinbase terminated the involved personnel and implemented heightened fraud-monitoring protections. The company also warned customers whose information was ...

Those employees had been fired, and the company said it stepped up its fraud prevention efforts. Coinbase said it received an email from the attackers on Sunday demanding a ransom of $20 million ...