YES. We need Let's Encrypt but for personal communications.https://twitter.com/matthew_d_green/status/806135647199252480 …
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who should participate in the block chain? I want to avoid creating a single authority on identity.
good question. Gossip might also work. Basically there needs to be a semi-public way to detect when attacker tries to publish a key
so a credible way to say "Peter has been using this key for years" is valuable.
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