| ADA | Automated Data Agreements |
| ARF | European Digital Identity Wallet Architecture and Reference Framework |
| CAB | Conformity Assessment Body |
| CRUD | Create / Read / Update / Delete |
| DA | Data Agreement |
| DCQL | Digital Credentials Query Language |
| DDA | Data Disclosure Agreement |
| DGA | Data Governance Act |
| DID | Decentralized Identifier (according to W3C) |
| DPIA | Data Protection Impact Assessment |
| DS | Data Source |
| DUS | Data Using Service |
| EAA | Electronic Attestation of Attributes |
| EBWOID | European Business Wallet Owner Identification |
| ECDH | Elliptic-curve Diffie-Hellman |
| EEA | European Economic Area |
| eIDAS | electronic IDentification, Authentication and trust Services |
| ETSI | European Telecommunications Standards Institute |
| EU | European Union |
| EUDI | European Digital Identity |
| EUDIW | European Digital Identity Wallet |
| FAQ | Frequently Asked Questions |
| GDPR | General Data Protection Regulation |
| HSM | Hardware Security Module |
| IETF | Internet Engineering Task Force |
| ISO | International Organization for Standardization |
| JOSE | JSON Object Signing and Encryption |
| JSON | JavaScript Object Notation |
| JWE | JSON Web Encryption |
| JWK | JSON Web Key |
| JWS | JSON Web Signature |
| JWT | JSON Web Token |
| KA | Key Attestation |
| LoA | Level of Assurance |
| LoTL | List of Trusted Lists |
| LPID | Legal Person Identification Data |
| MAC | Message Authentication Code |
| mDL | Mobile Driving Licence |
| mdoc | ISO/IEC 18013-5 mobile document |
| OAuth | Open Authorization |
| OID4VC | OpenID for Verifiable Credentials |
| OID4VCI | OpenID for Verifiable Credentials Issuance |
| OID4VP | OpenID for Verifiable Presentation |
| OP | OpenID Provider |
| OpenID4VC | OpenID for Verifiable Credentials |
| OpenID4VCI | OpenID for Verifiable Credential Issuance |
| PID | Person Identification Data |
| PKI | Public Key Infrastructure |
| PoP | Proof of Possession |
| PuB-EAA | Electronic Attestation of Attributes issued by a Public Sector Body |
| QEAA | Qualified Electronic Attestation of Attributes |
| QES | Qualified Electronic Signatures |
| QTSP | Qualified Trust Service Provider |
| RP | Relying Party |
| SD-JWT | Selective Disclosure for JWT |
| SD-JWT VC | SD-JWT-based Verifiable Credentials |
| SDK | Software Development Kit |
| SE | Secure Element |
| SIOP | Self-issued OpenID Provider |
| SSI | Self Sovereign Identity |
| TEE | Trusted Execution Environment |
| TLS | Transport Layer Security |
| ToIP | Trust over Internet Protocol |
| TS3 | Technical Specification 3 (EUDI Wallet Unit Attestation) |
| TSP | Trust Service Provider |
| UC | Use case |
| URL | Uniform Resource Locator |
| VC | Verifiable Credential |
| VCI | Verifiable Credentials Issuance |
| VP | Verifiable Presentation |
| W3C | World Wide Web Consortium |
| WIA | Wallet Instance Attestation |
| WSCA | Wallet Secure Cryptographic Application |
| WSCD | Wallet Secure Cryptographic Device |
| WUA | Wallet Unit Attestation |
| ZKP | Zero-Knowledge Proof |