Kraken, a major cryptocurrency exchange, successfully recovered nearly $3 million from CertiK, a blockchain security company, resolving a dispute that began with CertiK's withdrawal of funds after discovering a vulnerability in Kraken's system. CertiK argued that they conducted a security test, while Kraken accused them of extortion. The conclusion of this incident raises concerns about responsible disclosure practices in the crypto industry. Additionally, this event has cast a spotlight on CertiK's controversial practices and Kraken's ongoing legal challenges with the US Securities and Exchange Commission.