history 2.0.1 (6 months ago) verified nfet.net balance fsf-libre osi-approved bsd-3-clause Dart 3 compatible u2f FIDO Universal 2nd Factor. Register a FIDO2 U2F key to your application Verify a FIDO2 U2F key assertion 3 likes 0 posts 0 links Flutter Windows macOS auth fido