In this track: Connect everything together
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Review a signature permission request

Explain exactly which action the signer would authorize.

LET’S PICTURE IT

A permission slip needs an author, scope, location and remaining validity.

SEE IT FOR YOURSELF
From a public address to a verified signatureStep 1 / 4
From a public address to a verified signaturePublic address0x0000…0001Share to receiveAnother personCan read the addressCannot sign for youPublic identifier ≠ secret authorizationLocal signerPrivate key stays hereSign the chosen requestSigned requestMessage + signatureSecret key not includedThe moving packet represents a signature, not a keySignatureCheck the exact messageCheck the signing contextVerificationAuthorization checkedIntent still mattersValidity and safety are different questionsWallet interfaceReads public dataRequests authorizationNetwork stateBalances and recordsIndependent verificationNo wallet is connected in this local illustration

An address is public receiving information. It is not the private key that authorizes actions.

Animated local teaching model. No wallet, RPC or live blockchain data. Some labels and hashes are abbreviated for readability.

Read the message convention

Determine whether the request is personal-message signing, typed data or another scheme. A readable wallet panel does not replace understanding the actual digest.

Check domain and action fields

Identify the intended chain, verifying contract, recipient, spender and amount where relevant. Missing context can permit unintended reuse.

Check nonce and deadline behavior

A deadline limits a time window only when enforced. Single-use permission also needs an appropriate consumption rule.

Write the bounded interpretation

State what the request permits and what cannot be established from the displayed data. This exercise does not request a real signature or connect a wallet.

Your acceptance target

review: signer policy; digest convention; domain; action
then: nonce consumption; deadline; cancellation rules
no real signing required

Use only local examples and public sample addresses. State the assumptions and limits alongside the result.

QUICK CHECK · NO PRESSURE

Does a deadline alone establish one-time use?

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Original explanations by EtherTools. Examples are educational and source-linked; this site is independent of the Ethereum Foundation. Our approach.