North Korean cybercriminals moved millions of dollars worth of stolen cryptocurrency across three blockchains earlier this month, according to investigators, in a likely bid to launder up to $300 million in proceeds from recent attacks on crypto platforms.

Anonymous blockchain sleuths ZachXBT and Tayvano_ posted on social media that on Aug. 2 attackers linked to North Korea’s Lazarus Group moved $8.5 million worth of funds recently stolen from CoinsPaid, Alphapo and Atomic Wallet.

The funds “went flying” across over 300 addresses, Tayvano_ said in a social media post, stating that “over the course [of] 5 hours, ~4600 ETH was split