obelisk.ar DMs are post-quantum encrypted as of this week. keys come from the seed phrase you already have (or should create), messages ride inside ordinary NIP-17 gift wrap, and no relay had to change anything
reading them needs no negotiation: the envelope says what it is. sending needs one cached relay query. for most clients this is an afternoon of work
it is opt-in today because a Nostr identity is a secp256k1 key and nothing else, with no algorithm field. we already version NIP-44 payloads. the idea is in the protocol, it just has not reached the key
formats are public drafts. argue with them before a second client ships against them
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quantakrypto
Obelisk: the first Nostr client with post-quantum DMs
Nine days ago we published a proposal for giving a Nostr identity post-quantum keys, derived from its seed phrase where it has one. It is now runni...