Nostr guides

Learn what a Nostr client is, why the app is not your account, how clients work with relays and signers, and what to look for when you choose one.

Learn how to choose Nostr relays without guesswork. This guide covers privacy, reliability, search support, relay quality, and what to avoid.

Understand the privacy and security trade-offs of Nostr relays, including what relay operators can observe, what they cannot do, and how to use relays more safely.

Learn what a Nostr relay is, how relays work, and why they matter for privacy, censorship resistance, availability, and everyday use on Nostr.

Nostr replaces account recovery, phone-number signups, and centrally managed identities with cryptographic keys. That changes privacy, but it also shifts responsibility onto the user.

Compare the best Nostr browser extensions of 2026. We review Porwr by Diogel, Alby, Nos2x, and Nsec.app to help you choose the right NIP-07 signer for secure key management.

Learn how to set up the Porwr Nostr signer in 5 minutes. Complete walkthrough for Chrome and Firefox with screenshots. Secure key management made simple for Nostr beginners.

Learn how to manage Nostr keys safely, including backups, signers, multi-key strategies, recovery planning, and the mistakes most likely to burn your identity.

Learn how NIP-05 maps a human-readable identifier like name@domain.com to your Nostr public key using a nostr.json file on your own domain.

New to Nostr? Learn how to create a key, choose a client or signer, back up your identity properly, and avoid the most common beginner mistakes.

Learn what a NIP-07 signer is, how browser extensions expose the window.nostr API, and why this model is safer than pasting your Nostr private key into websites.

Learn what Nostr is, how relays and clients work, why identity is based on keys instead of accounts, and what the protocol does and does not solve.