Wu learned that Dor, the product manager of Coinbase, shared a case of user misjudgment: under multiple risk signals (including 2FA failure, abnormal login from 4 countries, and the largest withdrawal request in the history of the account), Coinbase froze transactions and attempted to contact the user. After 90 minutes of no response, the transfer was intercepted and the account was restricted. Eventually, it was discovered that the transaction was a genuine request, and the user was dissatisfied with the account recovery process. Dor stated that although this was a "successful anti fraud operation," it was a setback for the user experience. The Coinbase team has reduced account restrictions by over 80% and achieved approximately 20% improvement in related fraud models. They will continue to optimize the anti fraud experience in the future. http://(wublock123.com)/index.php? m=content&c=index&a=show&catid=6&id=44760