eIDAS 2.0 updates the EU’s digital identity framework to support decentralized identity (DID) and verifiable credentials (VCs). It introduces "European Digital Identity Wallets," enabling citizens to store and share digital IDs, qualifications, and bank details securely. The regulation mandates interoperability across EU states, fosters trust in digital transactions, and allows private-sector participation while ensuring compliance with privacy laws. This positions Europe as a leader in scalable, user-centric digital identity systems.
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How identity systems handle revocable vs non-revocable credentials: Revocable credentials can be withdrawn by the issuer at any time, often through a centralized control mechanism. The system marks them as invalid in its records. Non-revocable credentials, once issued, remain valid indefinitely. The system ensures their integrity and doesn't have a built-in revocation process, relying on external means if needed for security.
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User-owned data can be exported in machine-readable formats like JSON-LD (for structured credentials), CBOR (compact binary), or W3C’s Verifiable Credentials Data Model. Human-readable formats (PDF, CSV) are also supported for portability. Encrypted exports (e.g., via PGP) ensure privacy during transfer. Some systems use IPFS hashes to reference exported data, enabling decentralized storage while maintaining verifiability.
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