waxwing (npub1vad…nuu7)
can i ask you to take a look at this as well?
i have been meaning to ask an opinion on this (second) DLEQ from someone:
https://github.com/moonsettler/cashu/blob/dleq-por/docs/specs/40.md#alice-requests-dleq-proof-on-c
the idea is that the first DLEQ only proves that k private key was used to create C signature, if the r blinding factor is revealed because normally it only proves the relationship between B' and C'. this second DLEQ however is supposed to be a publicly verifiable proof that a token was signed by Bob without breaking unlinkability.
moonsettler
npub1dg…4mccn
2023-05-04 15:26:49
in reply to nevent1q…xemt
Author Public Key
npub1dgesr3zcgyjv2z0050h7auzdlf88gycry7tlk7wsypmgngy97yxqv4mccnPublished at
2023-05-04 15:26:49Event JSON
{
"id": "a2754a76060e03ecefbd2b9ee9c190de9e6be023a5140b574ef213269811a86a",
"pubkey": "6a3301c4584124c509efa3efeef04dfa4e7413032797fb79d0207689a085f10c",
"created_at": 1683214009,
"kind": 1,
"tags": [
[
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[
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"6a3301c4584124c509efa3efeef04dfa4e7413032797fb79d0207689a085f10c"
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[
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],
[
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],
"content": "nostr:npub1vadcfln4ugt2h9ruwsuwu5vu5am4xaka7pw6m7axy79aqyhp6u5q9knuu7 \ncan i ask you to take a look at this as well?\n\ni have been meaning to ask an opinion on this (second) DLEQ from someone:\nhttps://github.com/moonsettler/cashu/blob/dleq-por/docs/specs/40.md#alice-requests-dleq-proof-on-c\n\nthe idea is that the first DLEQ only proves that k private key was used to create C signature, if the r blinding factor is revealed because normally it only proves the relationship between B' and C'. this second DLEQ however is supposed to be a publicly verifiable proof that a token was signed by Bob without breaking unlinkability.",
"sig": "6f8cf8e28bf7d344827351b752c5f61975db0c2a6116c9fc247191c56f5026c762405958c51900eed2f2ea377eb2ff044f5e331cff57f573f609185a0522535f"
}