Nostr is a decentralized social protocol that aims to address the problems of censorship and control in current social media platforms. In this video, Ben from BTC Sessions provides a comprehensive tutorial on how to get started with Nostr. He explains the concept of key pairs, clients, and relays in Nostr, and how they differ from traditional social media platforms.

Ben demonstrates how to generate a key pair using a browser extension called Alby, which allows users to interact with the Lightning Network and Nostr. He also shows how to set up and navigate through different clients such as Iris. Ben highlights the importance of verifying oneself on Nostr through NIP-5 identifiers or connecting Twitter, Telegram, and Mastodon accounts.

Additionally, Ben explores the concept of relays in Nostr and provides an example of how to set up a Nostr relay. He also mentions the possibility of future incentivization for hosting relays and how it can integrate with the Lightning Network.