BlockBeats News, February 11th, SlowMist issued a security advisory, detecting potential suspicious activity related to the Base chain smart contract "0xB5486F71...8F47834D90B1B." The contract has been upgraded to include an implementation contract with a backdoor function "transferTokens." Attackers have used this function to steal assets from users who had previously approved this contract. Users are advised to revoke authorization for this contract as soon as possible.
