Therefore, users of {project_name} can do passkey registration and authentication by existing xref:webauthn_{context}[WebAuthn registration and authentication].
Both synced passkeys and device-bound passkeys can be used for both Same-Device and Cross-Device Authentication (CDA).
However, passkeys operations success depends on the user's environment. Make sure which operations can succeed in https://passkeys.dev/device-support/[the environment].