Blockchain security firm CertiK has publicly identified itself as the “security researcher” that cryptocurrency exchange Kraken accused of stealing $3 million worth of digital assets. On June 19, CertiK announced via X that it had informed Kraken about an exploit that enabled it to withdraw millions of dollars from the exchange’s accounts. Kraken’s chief security officer, Nicholas Percoco, had previously claimed that an unnamed security team had committed “extortion” by refusing to return the funds until Kraken agreed to provide a significant sum for the disclosure of the bug. “After initial successful conversations on identifying and fixing the vulnerability, Kraken’s