Nostr Web Client

NIP-58 is for badges, which is pretty cool. I put together a POC for Multiparty Attribute-based Encryption that could be used to send messages decipherable by accounts that meet certain badge criteria.

Such as: "((shit_poster AND influencer) OR (founder AND honor_badge) OR mega_donor))"

I don't know if it is valuable, but maybe, and the crypto works. Thoughts? I can formalize it with a better reference implementation if seems useful.

CC: #[0] #[1] #[2]

https://github.com/3yekn/nostr-abe

simulx 2y ago

you can embed some. bitcoin in it and have a badge hunting contest

fhen everyone will start using it real fast

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Discussion

Max Gravitt 2y ago

That is a super cool idea. Earn badges x, y, and z (badges that are invented and authorized by separate independent parties) to earn the bitcoin.

I think we’d need the badge creators to sign the attribute keys but maybe we can add that to badge onboarding.

simulx 2y ago

aren't they already signed at creation?

Max Gravitt 2y ago

The authority needs to generate a key when the badges are assigned IIUC.

Maybe it's possible that it can be derived. I need to research more I think. It also might be simpler than pure ABE because badge holding is boolean vs a specific tier or type of a given badge.

https://github.com/fentec-project/gofe/blob/master/abe/ma-abe.go#L401