https://twitter.com/__geometry__/status/1691439596926885888 Interesting new paper about privacy-preserving contact discovery by Geometry! 

Might be interesting for farcaster @dwr.eth 😄

They use identity based keys/signatures. I’ve mentioned this a couple of times.

https://github.com/Hmac512/ec-basepoint-funsies/blob/9883e9be859b2941c71343893a63a925b78e8b19/identity-signatures.py#L118

Here is some code.

Their paper requires a registration authority.

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Working on building zkTLS infra/products. A ruthless empiricist and meme connoisseur.

http://opacity.network

Interesting, will take more time to look at this! Thanks for sharing