nostr-shard-signer is now available on npm 📦 https://www.npmjs.com/package/nostr-shard-signer ​It gives your web app a standard NIP-07 window.nostr API with two distinct login paths: 🟢 For newbies: Web2 social login (Google/Apple/X) via an isolated MPC cross-origin iframe. 🟠 For power users: Transparent proxy to their existing NIP-07 extension or NIP-46 bunker. ​See the authentication flow live in production: 🗺️ OpenStreetMap Reviews: https://www.worldtrip.guide/osm 📍 BTC Map integration: https://www.worldtrip.guide/btc ​#nostr #build #opensource #typescript #webdev #react #javascript