Hey guys. I work for FIDO Alliance. We are currently selecting a list of
curves we going to support. We want to support secp256k1 in COSE, as we are
already supporting it in UAF, and we have companies who really want it.

I know that in security considerations you've said that there is
possibility of collision of the signatures from k1 and p1, but the chances
of such thing happening are enough low for it to be ignored.

We are proposing adding secp256k1 into list of curves, in section 13.1 with
value 8

Regards. Yuriy

[image: FIDO Alliance] <https://fidoalliance.org/> * Yuriy Ackermann *
Senior Certification Engineer
*email:* yu...@fidoalliance.org
*skype:* ackermann.yuriy
*website:* https://fidoalliance.org
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