How to Audit and Revoke Dangerous Token Allowances with Revoke.cash
Step-by-step instructions on discovering active unlimited token spending allowances across Ethereum, Arbitrum, Base, and Polygon, and revoking them.
Step-by-Step Practical Instructions
3 Action StepsNavigate to Verified Token Approval Audit Tools
Visit official tools like Revoke.cash or use built-in block explorer allowance tools (e.g., Etherscan Token Approval Checker). Connect your Web3 wallet.
Identify Unlimited and Dormant Token Allowances
Review contracts that have unlimited spending access to your USDT, USDC, or ERC-20 tokens. Pay special attention to protocols you have not interacted with in months.
Execute the Revoke Transaction
Click Revoke to submit an on-chain transaction that sets the contract allowance to zero. Confirm the small gas fee in your wallet.
Frequently Asked Questions
Does revoking a token approval lock my funds?
No. Revoking simply removes a third-party smart contract’s ability to spend your tokens. Your tokens remain in your wallet and can be spent or transferred by you at any time.
This guide is grounded in primary source documentation, cryptographic standards, and regulatory filings:
- ERC-20 Token Standard Allowance Specification— Ethereum Improvement Proposals (2015-11-19)
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