nips/74.md

NIP-74

Proxy and Broadcasting Relay Lists

draft optional

Kind 10017 indicates the user's preferred relays for proxy downloads. Such services save the user's bandwidth by utilizing a single connection to a proxy relay which reaches out to all of the other relays.

Kind 10018 indicates the user's preferred relays for broadcasting relays. Such services improve the user's privacy by utilizing a broadcasting relay to distribute an event to all of the appropriate relays without requiring the user to connect with each of those relays.

Both events MUST include a list of relay URLs in private tags. Private tags are JSON Stringified, NIP-44-encrypted to the signer's keys and placed inside the .content of the event.

{
  "kind": 10017,
  "tags": [],
  "content": nip44Encrypt(JSON.stringify([
    ["relay", "wss://myproxy.relay.com"]
  ]))
  //...other fields
}

{
  "kind": 10018,
  "tags": [],
  "content": nip44Encrypt(JSON.stringify([
    ["relay", "wss://mybroadcaster.relay.com"]
  ]))
  //...other fields
}

Clients SHOULD use proxy relays to download events before using it's native event-finding method.

Clients SHOULD use broadcasting relays instead of the Client's own event publishing algorithms.

Clients SHOULD publish kind 10017 and 10018 events to the author's NIP-65 write relays.