npub.world

A Nostr profile search engine and viewer by Vertex.

What is npub.world?

npub.world is a web application for searching and viewing Nostr profiles. It allows to search for Nostr users by their name, public key, NIP-05 identifier, or other profile information, and view detailed information about each profile, including reputation and top followers.

Features

• Search Nostr Profiles
  Enter a name, Nostr public key, NIP-05, or other identifier to find profiles.
• Profile Viewer
  View detailed information about any Nostr profile, including bio, website, lightning address, and more.
• Reputation & Followers
  See reputation status and top followers for each profile.
• Real-time Statistics
  Analyse spam-free statistics about the Nostr network, including the total number of users and active users, and the number of posts.
• Responsive UI:
  Clean, mobile-friendly interface with dark/light mode toggle.

Tech Stack

• Frontend: SvelteKit
• Nostr: Uses nostr-tools for encoding/decoding and event signing
• Vertex: For reputation requests, search and statistics

Development

Make sure to have node and pnpm installed

1. Install dependencies:

   pnpm install

2. Configure Enviroment Variables

   • SECRET_KEY: Secret key for signing Nostr events (required for search and reputation queries)
   • REDIS_ADDRESS: Address where Redis is running (required for statistics)

3. Run the dev server:

   export $(grep -v '^#' .env | xargs) && pnpm dev -- --host 0.0.0.0

Credits

• Powered by Vertex
• Designed by Vlad