SELF-SOVEREIGN-IDENTITY-V2

Self-Sovereign Identity v2 open data / decentralized identity standard.

Definition

Self-Sovereign Identity SSI v2 refers to recent evolution Self-Sovereign Identity ecosystem 2020s+ aligned with EU Digital Identity Wallet EUDI Wallet 2026+ implementation, integration W3C Verifiable Credentials Data Model v2.0 (published 2024) + W3C Decentralized Identifiers DID v1.0 (Recommendation July 2022) + DIDComm v2 (DIF 2022) + OIDC4VC OpenID Foundation specifications + multiple SSI implementations (Sovrin + Indicio + Trinsic + Trust over IP TOIP + walt.id + ESSIF European Self Sovereign Identity Framework + multiple). 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

SSI concept Christopher Allen 2016 ; W3C VC Data Model v1 published 2019 ; W3C DID v1.0 published 2022 ; W3C VC Data Model v2 published 2024 ; EU EUDI Wallet 2026+.

Example in context

EU citizen activates EU Digital Identity Wallet 2026+ on smartphone: downloads EUDI Wallet app, government provisions citizen's identity Verifiable Credentials (eID + driving license + diplomas + multiple), citizen controls credentials sharing selectively to relying parties (online services + employers + universities + banks + travel authorities + multiple) demonstrating SSI v2 principles (user control + portability + interoperability + privacy + selective disclosure).

Related terms

• SSI — earlier framework version.