How to Revoke Token Approvals After Using a Crypto Site
After using a dapp, airdrop or reward site, beginners may wonder whether the site still has permission to interact with tokens. Token approvals are the place to check.
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Review and revoke token approvals when you no longer trust a site, no longer use it or accidentally approved a suspicious request.
What token approval means
A token approval can let a smart contract spend or move a specific token up to an allowed amount. It is not the same as simply connecting a wallet.
Why approvals matter
A risky or malicious approval may expose tokens to loss if the contract is abused or designed to drain funds.
When to review approvals
Review approvals after using unknown dapps, claim sites, airdrops, games, reward platforms or any page that asked for spending permission.
- unknown dapp
- airdrop claim
- token swap
- staking site
- reward platform
- wallet popup
Approval vs connection
Connecting a wallet may show an address. Approving a token can grant spending permission. Signing a transaction can perform an action.
Safer habit
Use a separate low-value wallet for experiments and review approvals regularly, especially after testing reward sites.
Decision rule
If you cannot explain why an approval is still needed, consider revoking it before keeping value in that wallet.
Be careful with websites that promise unrealistic rewards, ask for deposits before withdrawal, or require suspicious wallet connections. Small reward sites should never need your seed phrase.
FAQ
Is connecting a wallet the same as token approval?
No. Connection usually exposes your address. Token approval can grant a contract permission over tokens.
Should I revoke every approval?
Not necessarily. Revoke approvals you no longer need or do not understand.
Can revoking approvals recover stolen tokens?
No. It can reduce future risk but cannot reverse completed transactions.
Should beginners use a separate wallet?
Yes. A low-value test wallet reduces exposure when trying unfamiliar sites.