This proposal aims to introduce Signal Protocol into the Nostr network, which allows Nostr clients to have end-to-end encryption for private communications with forward secrecy and post-compromise security.

Specifically, the address-refreshing technique is used to minimize tracking and avoid social engineering.👇


https://github.com/keychat-io/keychat-app/blob/main/docs/Signal-Protocol-over-Nostr-NIP-DRAFT.md