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SECURITY & CRYPTOGRAPHY · TERM 54 OF 67

SIWE

Sign-In with Ethereum (EIP-4361)

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01DefinitionEthereum Foundation / Decentralized Identity Foundation

A cryptographic authentication standard allowing users to control their identity using Ethereum private keys.

01 / CANONICAL DEFINITION

What it means.

Sign-In with Ethereum (SIWE) describes how Ethereum accounts authenticate with traditional web services by cryptographically signing a structured plaintext message containing domain, nonce, timestamp, and statement parameters.

02 / ROLE IN TRUSTEDTRUCKS

Where it is used.

Primary enterprise authentication protocol for PT-0 governance signers, board members, and executive officers in the Command Centre, guaranteeing passwordless, hardware-backed identity verification.

03 / TECHNICAL SPECIFICATION

EIP-4361 message specification validated via eth_sign / personal_sign, recovering the public key and verifying against the registered Azure Key Vault HSM or Ledger hardware signer.

04 / WHAT IT MUST NOT IMPLY

Read it carefully.

SIWE authenticates identity; it does not confer authorization or role rights without separate CBAC/RBAC validation.

05 / RELATED SPECIFICATIONS
  • TT-SPEC-IAM-SECURITY-001
  • TT-FRD-CC-001
02Related4 CONNECTED TERMS

Read these
alongside it.

  1. 01HSMHardware Security Module (FIPS 140-2 Level 3)Tamper-resistant dedicated hardware designed to generate, store, and manage cryptographic keys securely.Security & Cryptography
  2. 02CBACContext-Based Access ControlAn advanced access control paradigm evaluating real-time operational context alongside user roles to grant dynamic data access.Security & Cryptography
  3. 03RBACRole-Based Access ControlA security paradigm assigning platform permissions to defined organizational roles rather than individual users.Security & Cryptography
  4. 04PT-0Participant Tier 0: Protocol Governance & Infrastructure AuthorityThe foundational protocol tier comprising the executive board, consortium investors, and network infrastructure operators.Governance & Architecture