NEW YORK (AP) — The theft of billions of dollars from Binance within a matter of minutes, the biggest crypto heist in history, was orchestrated by North Korean hackers, the FBI said Saturday.

READ MORE: What to know about the $6.3B hack on Binance, likely the biggest-ever crypto theft

The bureau said in a statement that this week’s attack was tied to “malicious cyber activity” by an entity known as TraderTraitor, the same actors behind a $1.5 billion Bybit hack last year.

The FBI asked crypto exchanges, blockchain analytics companies and others to block transactions linked to various addresses to make sure the money is not laundered to cover up its origins.

It also said its probe found that TraderTraitor was…