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add libp2p gossipsub and zkSNARK links

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Golda Velez 2020-03-04 19:01:10 +00:00
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[pubsub in the libp2p project](https://docs.libp2p.io/concepts/publish-subscribe/)
[GossipSub](https://research.protocol.ai/posts/201912-resnetlab-launch/PL-TechRep-gossipsub-v0.1-Dec30.pdf) discussion of gossipsub as a decentralized scalable routing protocol

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[Zero-knowledge Proof of Identity paper](https://eprint.iacr.org/2019/546.pdf)
"zk-SNARK is a form of cryptography that proves possession of certain information without revealing that information, and without any interaction between the prover and verifier."
[business level description of zkSNARK](https://medium.com/@SamRadOfficial/why-zk-snarks-are-crucial-for-blockchain-data-privacy-e02f4bc1d352)
[Introduction to zk-SNARKs with Examples](https://media.consensys.net/introduction-to-zksnarks-with-examples-3283b554fc3b)
It looks like the libraries available are still fairly early stage, but the excitement around it should make them move fairly fast
Open question - how can this be integrated into a universal-use protocol that may include participants that do not use zkSNARK -
can we use it with different levels of uncertainty from different external providers who might identify people in looser ways?