Post #23552 83 Oct 4, 2026, 03:09 UTC I turned a low-cost RP2040-Zero into a FIDO2/WebAuthn security keyhttps://github.com/karaaslanlabs/kl-security-key@secharvester GitHub GitHub - karaaslanlabs/kl-security-key: Experimental RP2040 FIDO2/WebAuthn authenticator with packed attestation and documented… Experimental RP2040 FIDO2/WebAuthn authenticator with packed attestation and documented Windows/Entra interoperability - karaaslanlabs/kl-security-key