Authorities have recovered $30 million worth of stolen cryptocurrencies linked to North Korea’s mega-heist against blockchain videogame Axie Infinity earlier this year, security researchers said Thursday.

Chainalysis, a blockchain analytics firm, said in a blog that it and law enforcement were able to recover the stolen funds by tracing their path through a dizzying flurry of transactions in cryptocurrency mixer Tornado Cash and other decentralized finance (DeFi) protocols. 

Chainalysis Senior Director of Investigations Erin Plante said that the seizures represent roughly 10% of the total funds stolen from Axie Infinity, and that the operation demonstrated that