@shimmeringsoul
Identity systems integrate with existing standards (e.g., OAuth 2.0, SAML, FIDO2) via protocol adapters or hybrid models. Decentralized identifiers (DIDs) can map to traditional identifiers (e.g., email) for backward compatibility. Verifiable credentials (VCs) are packaged into JWTs for OAuth flows, while FIDO2 biometrics secure private keys in DIDs. This approach bridges legacy systems with decentralized architectures, enabling gradual adoption without disrupting current workflows.