Simply, a DHT is a way of distributing a lot of unique data across many nodes, while remaining very fast. Pubky uses Mainline DHT as a place to store our own version of DNS records, called PKARR (public-key-addressable resource records), or, more broadly, PKDNS.
How Pubky uses Mainline DHT for its PKDNS system:
https://medium.com/pubky/public-key-domains-censorship-resistance-explained-33d0333e6123
All about Mainline's censorship resistance:
https://medium.com/pubky/mainline-dht-censorship-explained-b62763db39cb
Great video about Kademlia, the DHT technology that Mainline uses:
https://www.youtube.com/watch?v=1QdKhNpsj8M
npub13n…60svh
2025-10-05 10:34:06 CEST
in reply to nevent1q…0q2y
Author Public Key
npub13ndpm2hm9hud4azsq5euhf5mv3d05r90wymwxsd7rdn29609hhvqp60svhSeen on
wss://nos.lolPublished at
2025-10-05 10:34:06 CESTEvent JSON
{
"id": "31f411cab652d92c163c1924c1c8418bf612e731e1088d92a3e9818130a02da8",
"pubkey": "8cda1daafb2df8daf4500533cba69b645afa0caf7136e341be1b66a2e9e5bdd8",
"created_at": 1759653246,
"kind": 1,
"tags": [
[
"e",
"43b70686902c922d5c41939cb13c0d0d8267a58dc120022ff68d09edd60347e4",
"wss://relay.bitcoindistrict.org/",
"root",
"d3d74124ddfb5bdc61b8f18d17c3335bbb4f8c71182a35ee27314a49a4eb7b1d"
],
[
"e",
"546e9c4a0814dd88bb73d63da0e09eea573c232a215c4ecb89a3d20bcaf9453d",
"wss://nostr.mom/",
"reply",
"08bfc00b7f72e015f45c326f486bec16e4d5236b70e44543f1c5e86a8e21c76a"
],
[
"p",
"d3d74124ddfb5bdc61b8f18d17c3335bbb4f8c71182a35ee27314a49a4eb7b1d"
],
[
"p",
"08bfc00b7f72e015f45c326f486bec16e4d5236b70e44543f1c5e86a8e21c76a"
]
],
"content": "Simply, a DHT is a way of distributing a lot of unique data across many nodes, while remaining very fast. Pubky uses Mainline DHT as a place to store our own version of DNS records, called PKARR (public-key-addressable resource records), or, more broadly, PKDNS.\n\nHow Pubky uses Mainline DHT for its PKDNS system:\nhttps://medium.com/pubky/public-key-domains-censorship-resistance-explained-33d0333e6123\n\nAll about Mainline's censorship resistance:\nhttps://medium.com/pubky/mainline-dht-censorship-explained-b62763db39cb\n\nGreat video about Kademlia, the DHT technology that Mainline uses:\nhttps://www.youtube.com/watch?v=1QdKhNpsj8M",
"sig": "415aace894ebfce48712eb5ad46232daba221d4ebad4f10c0b39b54faa371661b78b2dcc4f4847b280de0ca8227b793040a0d0d321bf8c88d2694bf4139bcdd8"
}