EIP-7702 Revoke Delegation: Find and Remove Risky Permissions

Why Can a Single Signed Message Put an Entire Wallet at Risk? 

Most wallet owners know about token approvals. Fewer know that one signed message can also hand an account’s behavior to a contract. That gap makes EIP-7702 revoke delegation an important wallet security topic.

This guide follows the order a careful owner would use: understand, inspect, judge, remove, and confirm.

Background on Ethereum account abstraction helps, but the focus stays practical.

EIP-7702 revoke delegation means sending a set-code transaction with an authorization that points to the zero address. 

The network then clears the account’s code. Afterward, the code should read empty on a block explorer. Technical details checked: November 2026.

What Does an EIP-7702 Delegation Actually Change in a Wallet?

A delegation lets a regular wallet run the code of a chosen contract. It went live with Ethereum’s Pectra upgrade on May 7, 2025. 

The network stores a short marker in the account’s code field, made of 0xef0100 and the 20-byte contract address.

The address and private key stay the same. What changes is how the account-responds when called, so the chosen contract matters. Basics on Ethereum smart contracts make this easier to follow.

An ERC-20 approval usually gives a spender an allowance for one token. A delegation points the account-to code that runs in the account’s own context.

How Can Wallet Owners Check for an Active Delegation on Ethereum?

A block explorer or an eth_getCode call can show the account’s code. A short checklist helps before any EIP-7702 revoke delegation:

• Find the account-address on the chosen network

• Read its code and look for the 0xef0100 marker

• Note the contract address after the marker

• Compare it with the wallet provider’s official documentation

An account without an active delegation normally returns an empty code. Each network needs its own check. Reading these records gets easier after learning how Ethereum works.

Which EIP-7702 Delegations Create the Biggest Security Risks?

The delegated contract decides what the account can do. Warning signs include

• A contract nobody can identify or verify

• A chain ID 0 authorization, which can be valid on several networks that support EIP-7702, as long as the account nonce matches on each one

• A signature prompt dressed up as a login or claim

How Can an Unknown or Risky Delegated Address Be Identified?

An unfamiliar address is not automatically harmful, but it needs proof. Check whether the source code is published and verified and whether the wallet provider’s documentation names the address.

Also check whether the target is an upgradeable proxy. A proxy can support upgrades and add-on features, but its code may change later, so the owner trusts whoever controls those upgrades.

Upgrade permissions and security history are worth checking first, as the official Ethereum security guidance notes.

An unfamiliar contract with unavailable or unclear code calls for caution. A delegation that cannot be verified or trusted should not stay. An audit is useful evidence, not a guarantee of safety.

How Does an EIP-7702 Revoke Delegation Transaction Work Safely?

In short, EIP-7702 revoke delegation means signing an authorization for the zero address. 

It travels inside a type 0x04 set-code transaction, and each entry names the chain ID, target address, nonce, and signature. The official EIP-7702 specification lists the details.

Before signing, three things need a check: the correct wallet account, the correct network, and the delegation currently attached to that account. The revoke authorization itself points to the zero address.

The transaction needs gas, normally paid by its sender. Some wallet services sponsor transactions, so the owner may not always pay directly. Ethereum gas fees change with demand.

Exact wallet steps belong to the provider’s official help page. Unverified third-party revoke tools are not safe by default, and a seed phrase never belongs on a website or with a support agent.

How Can the Removal Be Verified on a Block Explorer Afterward?

Signing and succeeding are different steps. A pending transaction has not been processed yet, so the delegation may stay active.

A failed execution does not always mean the revoke failed. The network processes authorization entries before execution, and valid changes are not rolled back if execution fails later.

So the final proof is the account code. Once the transaction is included, a working EIP-7702 revoke delegation leaves an empty code on that network. The status beside the transaction is not enough on its own.

What Should Happen If a Suspicious Delegation Was Already Used?

Removing a delegation does not undo past activity. Start by reviewing recent transfers and approvals on each network.

If the private key or recovery phrase may have leaked, assets should move to a fresh wallet built from a new phrase, because revoking changes nothing about who holds the key. 

Token approvals need their own review, since EIP-7702, which revokes delegation, does not cancel them. Storage left by old delegated code also stays.

How Can Wallets Stay Protected From Future Delegation Risks?

A few habits can reduce common delegation risks:

• Reject authorization prompts that name unknown contracts

• Avoid chain ID 0 unless clearly intended

• Keep recovery phrases offline, as the seed phrase security guide explains

• Recheck delegation status after connecting a new app

Standards keep changing, so features should be rechecked against the official account abstraction roadmap.

What Should Wallet Owners Remember About Delegation Cleanup?

EIP-7702 revoke delegation comes down to four moves: inspect the account, judge the address, sign on the right chain, and confirm the empty code afterward. 

Anything unclear should be checked against official wallet documentation before signing.

Disclaimer: This piece is only meant to explain things in simple terms. It is not financial or security advice. Every wallet app works a little differently, and so does every network. Before anyone signs a transaction, the safest move is to read the wallet provider’s own help pages and confirm each step there.