Separate sessions, signatures, and allowances
A DApp connection is a session, a signature expresses an intent, and a token approval creates an on-chain allowance. Disconnecting a session normally does not remove an allowance.
Audit these layers separately.
Identify spender, token, chain, and amount
Those four fields define what an approval means. A familiar interface name is secondary to the actual on-chain addresses.
Stop when a spender is unfamiliar or the amount is much larger than the use case.
Broad allowances are a tradeoff
Large allowances reduce repeated approval transactions but increase the standing permission available to the spender.
Choose based on protocol trust, frequency of use, asset exposure, and your own risk tolerance.
Allowance state is chain-specific
The same wallet address may be reused on many EVM networks, but each chain and token contract has its own approval state.
Check both source and destination networks when you use bridges or Layer 2.
Revoking requires confirmation too
A revoke or reduction is itself usually an on-chain transaction. Wait for it to confirm and verify the new allowance.
If the transaction fails, investigate gas and network state before doing anything else.
Normal changes are made with wallet-signed transactions.
Periodic approval cleanup
List the DApps you still use and then inspect allowances network by network. Trace unknown spenders back to the original approval transaction when possible.
Trace a spender through transaction history
Prioritize permissions that are unused, unexplained, or much broader than necessary. Active permissions can also be reduced to a smaller amount if that fits your workflow.
Use a verified approval-management entry point. A revocation site is itself a DApp and deserves the same domain checks.
- Distinguish sessions from on-chain allowances
- Verify spender, token, chain, and amount
- Review unused or excessive permissions
- Confirm revocation on-chain after signing