WebAuthn passkeys in Go with crypto/ed25519
Passkeys are FIDO2; FIDO2 is the spec; Ed25519 is the signature algorithm. The full registration + assertion flow in 200 lines of stdlib Go.
Go's standard library provides production-quality implementations for common tasks without external dependencies. Articles cover standard library support for WebAuthn, HTTP server patterns, and the philosophy of preferring stdlib over third-party packages for long-term maintainability.
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Passkeys are FIDO2; FIDO2 is the spec; Ed25519 is the signature algorithm. The full registration + assertion flow in 200 lines of stdlib Go.
All posts on this site are written by Pratik Dhanave, an Agentic AI Architect with 7+ years building production distributed systems, multi-agent AI platforms, and cloud-native infrastructure. About the author → Each article includes working code, architecture diagrams, and references to the specific frameworks and standards discussed. Browse all posts or explore related topics using the tag cloud above.