最新报道:A crypto investor lost $900,000 after approving an old wallet transaction, falling victim to a sophisticated scam. The attacker exploited a previously authorized wallet connection, draining funds without requiring fresh approval. Security experts warn users to regularly revoke unused wallet permissions and avoid interacting with suspicious links. This incident highlights growing risks in decentralized finance as scammers increasingly target lingering smart contract approvals. Blockchain analysts advise checking token allowances through platforms like Etherscan and Revoke.cash to mitigate such threats.