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est. 2022
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SecuritySumo Pick
Fact-checked 2026-08-14
Revoke.cash
Established 2019
The approval manager — see every token permission you've ever granted and revoke the risky ones.
Revoke.cash scans your wallet across dozens of chains and lists every token approval you've granted to dapps — including the unlimited ones that become attack vectors if a protocol is exploited. Two clicks revoke them. It's the single highest-leverage security tool in DeFi, and it's free and open source.
Quick facts
Founded
2019
Category
Security
Platforms
Web
Key facts
Open source, Free, Multi-chain
Pros
- The definitive way to clean up token approvals
- Multi-chain coverage including major L2s
- Free, open source, no account needed
Cons
- Revoking costs gas per transaction
- Scam clones exist — double-check the domain
- Needs a basic understanding of approvals
Best for
Every single DeFi user, quarterly
Fees
Free; you pay network gas for each revocation.
Security notes
Set a calendar reminder: revoke unused approvals every quarter. This one habit prevents a large share of DeFi losses.
approvalsprotectionopen-source
Frequently asked questions
What is Revoke.cash?
Revoke.cash is The approval manager — see every token permission you've ever granted and revoke the risky ones. Revoke.cash scans your wallet across dozens of chains and lists every token approval you've granted to dapps — including the unlimited ones that become attack vectors if a protocol is exploited. Two clicks revoke them. It's the single highest-leverage security tool in DeFi, and it's free and open source.
Is Revoke.cash safe to use?
Set a calendar reminder: revoke unused approvals every quarter. This one habit prevents a large share of DeFi losses. As always, verify details on the official site before trusting funds to any service.
How much does Revoke.cash cost?
Free; you pay network gas for each revocation. Figures change — confirm current pricing on the official site before deciding.
