DECENTRALIZED-IDENTIFIERS-V2

Decentralized Identifiers v2 open data / decentralized identity standard.

Definition

Decentralized Identifiers DID v2 refers to evolution + maintenance of W3C Decentralized Identifiers DID standard since W3C Recommendation v1.0 publication July 2022, multiple DID Methods specifications continue publication (~150+ DID Methods registered W3C DID Method Registry 2024 including did:ethr + did:key + did:web + did:ion + did:sov + did:peer + did:jwk + multiple), DID Core 1.0 stable + emerging DID 1.1 + DID Method Best Practices guidance documents. Standard + framework specifications detail interoperability + identity + privacy + data sharing + open APIs + multi-stakeholder governance + ecosystem adoption industry verticals (banking + finance + health + insurance + energy) + alignment regulations EU PSD2 + GDPR + FAPI + UK Open Banking Standard + multiple national implementations 2010s-2024+.

Origin

W3C DID v1.0 published juillet 2022 ; ~150+ DID Methods registered 2024 ; DID 1.1 + emerging revisions ongoing W3C DID Working Group.

Example in context

Enterprise software vendor implements DID-based authentication for customers: uses did:web DID Method (DID anchored DNS-based, doesn't require blockchain), each enterprise customer registers DID at their domain (e.g., did:web:acme.com), customer presents DID + Verifiable Presentation to vendor service authenticating identity + relevant credentials without traditional username/password flow, decentralized + portable identity solution.

Related terms

• VC Data Model v2 — complementary standard.