Unizen, a cryptocurrency platform, has suffered multiple attacks resulting in a significant loss of funds. Security firms BeosinAlert and SlowMist have reported that over $2.6 million was stolen due to an open external call vulnerability. Users are urgently advised to revoke approvals for the contract address 0xd3f64baa732061f8b3626ee44bab354f854877ac to prevent further losses. The attackers have already converted the stolen USDT into DAI, although the funds have not yet been moved. An additional report from RevokeCash highlighted that over $2M of approved user funds were stolen, urging users to check if they were affected.