Selective Disclosure JSON Web Token (RFC 9901) is a standard for creating JWTs where individual claims can be selectively disclosed to verifiers.
SD-JWT (Selective Disclosure JSON Web Token) became RFC 9901 in November 2025. It extends the standard JWT format to allow individual claims to be selectively disclosed to verifiers.
In an SD-JWT, claims are hashed and the holder can choose which claims to reveal during presentation. This is the primary online credential format for eIDAS 2.0 EUDI Wallets.
SD-JWT is shipping in production today, unlike BBS+ unlinkable signatures which remain in IETF draft stage.
A cryptographic technique allowing users to share specific attributes from a credential without revealing all information it contains.
The revised EU regulation on electronic identification and trust services, mandating digital identity wallets for all EU citizens by December 2027.
OpenID for Verifiable Presentations is a protocol for requesting and presenting verifiable credentials, finalized in July 2025.
A Qualified Electronic Attestation of Attributes is a digitally signed statement about a person's attributes (such as age, qualifications, or professional status) issued by a Qualified Trust Service Provider under eIDAS 2.0.
