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by jeroenhd
1140 days ago
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Interesting! Does the WebAuthn API provide enough of a cryptographic basis to fulfill the needs of cryptocurrency wallets? I know it works through public/private key sharing but I wasn't aware that it provides such direct primitives. |
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WebAuthN signatures are of a very specific challenge/response format [1] that applications need to explicitly support. For example, SSH had to add new key and signature formats [2] to support it.
Theoretically, a blockchain/cryptocurrency application could adopt the WebAuthN signature format as its canonical or an alternative signature format, but I'm not aware of any popular one having done so.
[1] https://developers.yubico.com/WebAuthn/Concepts/Using_WebAut...
[2] https://github.com/openssh/openssh-portable/blob/master/PROT...