did:omn

OmniOne DID Method (did:omn) is a blockchain-based decentralized identifier system designed to support Self-Sovereign Identity and Verifiable Claims. The method operates on the OmniOne network, which uses a Delegated Proof of Stake consensus mechanism with Byzantine Fault Tolerance (requiring 2/3 agreement).

The method provides a decentralized alternative to traditional centralized credential systems, with a focus on security and privacy. DIDs are managed through smart contracts that handle creation, reading, updating, and deletion operations. A key feature is the method's approach to privacy - no Personally Identifiable Information (PII) is stored on the blockchain, only public keys and signature values.

The system offers two distinct approaches for DID creation:

• A simplified method requiring basic input data and signatures
• A comprehensive method allowing full DID document creation

Security is maintained through several mechanisms:

• Replay attack prevention using mandatory nonce values
• Non-repudiation through digital signatures
• Traffic security via TLS protocol
• Consensus security through DPoS and BFT

Technical Implementation:

1. DID Generation and Structure:

• Format: did:omn:<omn-identifier>
• Identifier composed of alphanumeric characters
• Two creation methods supported via RESTful API:
  • Simple creation with basic public key data
  • Full document creation with complete DID specification

2. Resolution Process:

• Implemented through RESTful API endpoints
• Read operations query the blockchain directly
• Returns complete DID document if found
• Verification performed through smart contracts

3. Key Management and Security:

• Supports multiple public keys per DID
• Uses EcdsaKoblitzSignature2016 for cryptographic operations
• Mandatory nonce values stored on blockchain
• Authentication section defines valid verification methods

4. Technical Stack:

• Blockchain-based infrastructure
• Smart contract execution environment
• RESTful API interface
• TLS for transport security
• DPoS consensus mechanism with BFT

5. Unique Features:

• Dual-mode DID creation (simple/full)
• Blockchain-stored nonce validation
• Complete CRUD operations via smart contracts
• Permanent, non-reversible deletion option
• Zero PII storage policy