On Dec. 26, blockchain security firm CertiK issued a warning alleging that Defrost Finance, a decentralized leverage-trading platform on the Avalanche blockchain that recently suffered an exploit, is an “exit scam.” The move came just as Defrost announced that “the hacker involved in the V1 hack [but not the v2 hack] has returned the funds.” CertiK wrote:
On Dec. 23, Defrost Finance suffered a flash loan attack that drained protocol users of $12 million in assets on its v1 and v2 protocols. Immediately after the exploit, blockchain analytics firm PeckShield also issued a warning, alleging the operation was a “rugpull”: