Learn About Token Approvals
Basics
Token approvals are permissions you grant to smart contracts allowing them to spend your tokens on your behalf. While necessary for DeFi interactions, unused approvals can pose security risks.
When you approve a dApp to spend your tokens, you're essentially giving it a "blank check" for those assets. This approval remains active until you explicitly revoke it.
Read more in our FAQSecurity
Regularly revoking unnecessary approvals is a crucial security practice. Attackers can exploit existing approvals to drain funds from compromised wallets.
Use Revoke.cash to audit and clean up your approvals across all supported networks. Remember: it's better to revoke and re-approve when needed than to leave permissions active indefinitely.
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