I once had an account imported from a DeFi robot that was still hacked. The person in charge of that robot kept urging me to switch to a new account, but honestly, this account was really precious to me, and I was reluctant to give it up. Fortunately, I had a preventive awareness in advance — I transferred out large holdings beforehand, and there weren't too many funds left in the account. This time, I only lost 17 B, which is an acceptable cost.

The lesson now is that I must change my wallet and start over. The coins in the account of a major exchange were also moved out together. This incident clearly demonstrates one point: Web3 security management cannot be lax at all. Basic operations like account permissions, private key management, and wallet isolation need to be emphasized repeatedly. To friends who have had similar experiences or are currently using DeFi tools, I really recommend preparing an emergency plan in advance and not waiting until something happens to regret it like I did.