Crypto security · English
Read an EIP-712 domain and message before signing
A typed-data checklist for domain name, version, chain ID, verifying contract, message fields and replay boundaries before authorising an Ethereum signature.

Separate domain context from message content
A typed-data signature can be more readable than opaque bytes, but the visible message only makes sense when the domain, chain and verifying contract are also correct.
EIP-712 specifies typed structured data hashing and signing, including domain-separation fields such as name, version, chain ID, verifying contract and salt. Treat a stablecoin name as a label until issuer, chain and contract details agree. For Read the domain name, preserve version beside domain name and do not close the question until version is independently checked. Archive the route used without saving private keys or recovery phrases.
Read the domain name and version
The domain describes the application context that expects the signature. Compare name and version with the current official interface and documentation. Compare the live issuer directory with the authenticated deposit instruction at the same moment. A useful typed-signature review sheet links interface to source, names the origin of match and explains why Confirm chain ID is still relevant. The working row is domain name, version, interface, source and match; its heading is read the domain name and version, and its place in the larger record is typed-signature review sheet.
A familiar domain name is not sufficient when the contract or chain differs. Separate native issuance from bridged representations in the worksheet. When domain name and source disagree, retain both observations, recheck Read the domain name and postpone any decision that depends on match. Compare name and version with the current official interface and documentation. For this read the domain name and version decision, compare domain name, version, interface, source and match with typed-signature review sheet and retain the dated mismatch instead of forcing agreement.
Confirm chain ID
Chain ID helps bind the signature to a network context. Record the wallet network and the chain ID shown in the request. Separate native issuance from bridged representations in the worksheet. When domain name and source disagree, retain both observations, recheck Read the domain name and postpone any decision that depends on match. The working row is wallet network, chain ID, requested chain, match and decision; its heading is confirm chain id, and its place in the larger record is typed-signature review sheet.
Do not sign after a silent network switch or unexplained mismatch. Do not assume a familiar hexadecimal address proves the correct network. The reviewer should reproduce version from interface, identify the unit attached to version and see the collection time for Confirm chain ID. Record the wallet network and the chain ID shown in the request. For this confirm chain id decision, compare wallet network, chain ID, requested chain, match and decision with typed-signature review sheet and retain the dated mismatch instead of forcing agreement.
Verify the contract
The verifying contract may determine where the signature can be used. Compare the complete address with an independent official source. Do not assume a familiar hexadecimal address proves the correct network. The reviewer should reproduce version from interface, identify the unit attached to version and see the collection time for Confirm chain ID. The working row is contract, source, proxy note, comparison and reviewer; its heading is verify the contract, and its place in the larger record is typed-signature review sheet.
Never approve a truncated or unverified address merely because the message text looks harmless. Archive the route used without saving private keys or recovery phrases. Finish the row by stating who will verify match, which source governs domain name and what change would make source obsolete. Compare the complete address with an independent official source. For this verify the contract decision, compare contract, source, proxy note, comparison and reviewer with typed-signature review sheet and retain the dated mismatch instead of forcing agreement.
Read every message field
Typed fields can include spender, amount, nonce, deadline or other authority. Translate each field into an ordinary sentence and retain its unit. Archive the route used without saving private keys or recovery phrases. Finish the row by stating who will verify match, which source governs domain name and what change would make source obsolete. The working row is field, raw value, interpreted value, unit and concern; its heading is read every message field, and its place in the larger record is typed-signature review sheet.
Leave the request unsigned when a field is missing, unlimited or unexplained. Treat a stablecoin name as a label until issuer, chain and contract details agree. For Read the domain name, preserve version beside domain name and do not close the question until version is independently checked. Translate each field into an ordinary sentence and retain its unit. For this read every message field decision, compare field, raw value, interpreted value, unit and concern with typed-signature review sheet and retain the dated mismatch instead of forcing agreement.
Check replay boundaries
Typed signing improves structure but the specification does not automatically provide replay protection. Look for nonce, deadline, contract state and domain separation relevant to the application. Treat a stablecoin name as a label until issuer, chain and contract details agree. For Read the domain name, preserve version beside domain name and do not close the question until version is independently checked. The working row is nonce, deadline, state check, replay assumption and expiry; its heading is check replay boundaries, and its place in the larger record is typed-signature review sheet.
Do not assume a readable signature can be used only once. Compare the live issuer directory with the authenticated deposit instruction at the same moment. A useful typed-signature review sheet links interface to source, names the origin of match and explains why Confirm chain ID is still relevant. Look for nonce, deadline, contract state and domain separation relevant to the application. For this check replay boundaries decision, compare nonce, deadline, state check, replay assumption and expiry with typed-signature review sheet and retain the dated mismatch instead of forcing agreement.
Use the EIP for field meaning, not product trust
The specification defines the domain separator and typed-message model needed to inspect a wallet prompt systematically. The reviewer should reproduce version from interface, identify the unit attached to version and see the collection time for Confirm chain ID. Compare the live issuer directory with the authenticated deposit instruction at the same moment. Use SignalBet guides only to clarify Read the domain name or version; the named source remains responsible for domain name and version.
The EIP explicitly does not provide replay protection by itself and does not certify an application. Finish the row by stating who will verify match, which source governs domain name and what change would make source obsolete. Separate native issuance from bridged representations in the worksheet. That limit keeps interface distinct from source and prevents match from being stretched into a claim about Confirm chain ID.
Turn the preview into a bounded authorisation
The review sheet should connect domain, network, contract and message fields to one intended action with a defined amount and lifetime. A useful typed-signature review sheet links interface to source, names the origin of match and explains why Confirm chain ID is still relevant. Do not assume a familiar hexadecimal address proves the correct network. A completed typed-signature review sheet should leave Read the domain name traceable, version bounded and match ready for its next dated review.
Do not let a complex signature or time-limited offer pressure you into an unplanned gambling payment. Adults 18+ who meet local law should treat gambling as optional entertainment rather than income or debt recovery, protect essential money, set cash and time limits before play, never borrow or chase losses, and use the responsible-play centre for blocking, time-out, self-exclusion and confidential support. When domain name and source disagree, retain both observations, recheck Read the domain name and postpone any decision that depends on match. Archive the route used without saving private keys or recovery phrases.
