I went through this article,
In an announcement on Sunday, Hong Kong-based Binance said it is offering a $250,000 bounty for tips leading to the arrest of hackers involved in a hacking attempt on March 7th. Now among the world’s biggest cryptocurrency exchanges, a security incident last week involving registered API keys led to irregular trading activity with a handful of users seeing unauthorized trades. The following day, Binance chief executive Changpeng Zhao assured users that all irregular trades had been reversed with all user funds safe and intact