Decentralized Identity (DID)
Self-sovereign identity with verifiable credentials
Overview
Decentralized Identity (DID) represents a paradigm shift from centralized identity management to user-controlled, cryptographically verifiable credentials. Built on W3C DID and Verifiable Credentials (VC) standards, DID enables individuals and organizations to own their digital identity without relying on a central authority. Users store credential...
Key Capabilities
- Issue, hold, and verify credentials following W3C standards (DID Core 1.0, VC Data Model)
- Digital wallet integration for credential storage and presentation
- Selective disclosure and zero-knowledge proofs for privacy-preserving verification
- Credential revocation and status checking via status list or accumulator
- DID method support (did:web, did:ion, did:key, did:ethr) with resolution
- Trust registry integration for issuer verification
Key Benefits
- Eliminates password fatigue—credentials verified cryptographically without knowledge factors
- Reduces identity fraud through tamper-evident, issuer-signed credentials
- Enables privacy-preserving verification via selective disclosure and ZKP
- Instant verification—no need to contact issuer for each verification request
Key Technologies & Standards
Leading Vendors
Microsoft
Ping💡 Why It Matters
Traditional identity creates honeypots—Equifax (147M), Yahoo (3B), and LinkedIn (700M) breaches exposed centralized credential stores as existential risks. DID inverts this model: users hold their own credentials, reducing breach impact and liability. The EU eIDAS 2.0 regulation mandates digital identity wallets for all EU citizens by 2026, making DID compliance-critical for European operations. Meanwhile, credential verification costs enterprises $40-50 per background check; Verifiable Credentials reduce this to near-zero for returning verifications. Early adopters like KPMG, NHS, and Walmart are using DID for workforce credentials, patient records, and supply chain verification respectively.
