# Standards and Specifications

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* 1 Ed Tech [Open Badges](https://www.1edtech.org/standards/open-badges) 3.0 Specification.
* Internet Engineering Task Force [SD-JWT and SD-JWT VC](https://datatracker.ietf.org/doc/draft-ietf-oauth-sd-jwt-vc/) specifications.
* LF Decentralized Trust [Indy Working Group ](https://lf-hyperledger.atlassian.net/wiki/spaces/indy/overview)Node, Plenum, Cryptography.
* International Civil Aviation Organization (ICAO) [Digital Travel Credential](https://www.icao.int/Security/FAL/TRIP/PublishingImages/Pages/Publications/Guiding%20core%20principles%20for%20the%20development%20of%20a%20Digital%20Travel%20Credential%20%20%28DTC%29.PDF) (DTC) standard.
* LF Decentralized Trust [Aries Working Group](https://lf-hyperledger.atlassian.net/wiki/spaces/ARIES/overview).
* LF Decentralized Trust.
* [Membership Marketing Committee](https://www.hyperledger.org/).
* LF Decentralized Trust [Identity Implementers Working Group](https://lf-hyperledger.atlassian.net/wiki/spaces/HYP/overview?mode=global).
* [Open Wallet Foundation](https://github.com/openwallet-foundation/bifold-wallet) Aries Cloud Agent Python agents (ACA-Py) Bifold Wallet (built on Credo - formerly Aries Framework Javascript).
* [OpenID for Verifiable Credentials](https://openid.net/sg/openid4vc/) (OID4VC) Communication protocol.
* Decentralized Identity Foundation [DIDComm Working Group](https://identity.foundation/didcomm-messaging/spec/) DIDComm.
* Decentralized Identity Foundation [Trust Establishment Working Group](https://identity.foundation/trust-establishment/) Decentralized Ecosystem Governance.
* Trust Over IP Foundation [Utility Foundry Working Group](https://lf-toip.atlassian.net/wiki/spaces/HOME/overview?mode=global).
* World wide Web Consortium, [Verifiable Credentials model and DID Specifications](https://www.w3.org/TR/vc-data-model-2.0/).
* EU Digital Identity Wallet (EUDI).\
  [EU Digital Identity Wallet Pilot implementation](https://digital-strategy.ec.europa.eu/en/policies/eudi-wallet-implementation).

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