According to online reports, according to an official report from Layer 2 Network Abstract, its ecological application Cardex suffered a security breach. The cause of the accident was that the Cardex team accidentally exposed the private key of the session signer on the front end of its website after completing a preliminary security audit. The vulnerability allowed an attacker to initiate transactions against any wallet with authorized session keys, resulting in approximately $400,000 in token losses. Abstract said that the vulnerability was limited to the third-party application Cardex and did not affect the Abstract Global Wallet (AGW) or the Abstract network itself. Officials advise users to regularly revoke the authorization of applications and tokens in their wallets to prevent potential risks.