Discussion

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blamestross: I don't recommend DHTs with public participants being made from scratch. Use mainline bittorrent DHT instead. Small networks are really easy to eclipse and censor.DHTs of trusted participants are great.

kvisner: So most messaging apps rely on a phone number or centralized server to provide a means of making atleast the initial connection. In a purely P2P messaging system, how do I, as a user, find the other person I might want to talk to?

noman-land: How does one find large DHTs? Is there anything connecting them all?

Realman78: Good question. The 4 initial bootstrap nodes that I provided (in the README) are all connected to each other. If everyone connects to all of them, we are all basically on the same network instead of on "isolated islands"

blamestross: "Mainline DHT" is the primary one. It backs magnet links and has resisted censorship for over a decade. Largest most robust group of cooperating computers there is.You can reliably use it to store arbitrary key-value pairs up to 1 in in size.https://en.wikipedia.org/wiki/Mainline_DHT