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Wallet Security • Jul 2026

How to Revoke ERC-20 Token Approvals and Prevent Wallet Drains

Protect self-custody wallets by auditing open smart contract allowances and revoking malicious spending permissions.


Auditing Unlimited Token Approvals

Unlimited ERC-20 approvals allow dApps to transfer funds at any time. Periodically revoking idle approvals prevents protocol exploit losses.