1. "As an open protocol and FOSS project, Nostr allows for multiple different front-ends for the same data... The protocol's primary form of data transport is the use of a standardized kind of WebSocket server called a Relay. Each user has a cryptographic keypair." (Wikipedia: Nostr, 2.7.24 UTC 16:07)
2. "The first known implementation of the Nostr protocol dates back to Nov 7 2020, created by a developer known as fiatjaf. fiatjaf is widely credited as the creator of Nostr." (Wikipedia: Nostr, 2.7.24 UTC 16:07)