An open standard that has attestation in it which allows sites to block all open implementations. FIDO Alliance spec writers have even threatened that apps like KeepPassXC could be blocked in the future because they allow you to export your keys.
That standard also allows for importing and exporting passkeys. Apple added that in iOS/macOS/etc 26 to their platforms. https://9to5mac.com/2025/06/13/ios-26-passkeys-password-tran...
That standard also allows for importing and exporting passkeys. Apple added that in iOS/macOS/etc 26 to their platforms. https://9to5mac.com/2025/06/13/ios-26-passkeys-password-tran...