DIDCOMM

DIDComm open data / decentralized identity standard.

Definition

DIDComm (DIDComm Messaging) is the secure messaging protocol developed by DIF (Decentralized Identity Foundation, founded 2017 under Linux Foundation umbrella) enabling entities (peoples + organizations + IoT devices) identified by W3C DID (Decentralized Identifiers) to exchange end-to-end encrypted peer-to-peer mutually authenticated messages, foundational for Self-Sovereign Identity SSI infrastructure + DIDComm v2 published 2022 (latest revision). 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

DIDComm v1 ~2019-2021 ; DIDComm v2 published 2022 by DIF Decentralized Identity Foundation ; multiple SSI wallets + agents implement DIDComm.

Example in context

Alice + Bob both have SSI digital wallets supporting DIDComm v2 (e.g., Trinsic + Indicio wallets): Alice issues Verifiable Credential 'Software Developer at Acme Corp' to Bob via DIDComm v2 message peer-to-peer encrypted authenticated using their DIDs ; Bob's wallet receives + stores credential ; later Bob presents credential to relying party via DIDComm + Verifiable Presentation flow.

Related terms

• SSI v2 — broader SSI framework.