Satoshi Systems Technology | satosys.tech
Building the physical and digital infrastructure for a Bitcoin standard.
Lightning point-of-sale and Bolt Card wallet. Accept instant payments. Issue NFC tap-to-pay cards. Run a full POS terminal. On Bitcoin.
bitpos.app - hosted. Operational in minutes. bitpos-core - self-hosted. Your server. Your keys.
Both paths run the same code.
| Repo | Description |
|---|---|
| bitpos-core | Lightning POS server + PWA. Express, PostgreSQL, NWC integration, Bolt Card LNURLw. Single Docker container. MIT. |
| bitpos-card-writer | Android app for programming NTAG 424 DNA Bolt Cards. Full AES-128 key personalization over raw NFC APDU. Download APK. |
Lightning Nostr Wallet Connect (NWC) - works with any compatible wallet, no custodian
Cards NTAG 424 DNA - AuthEV2First, ChangeKey x5, SDM via raw APDU
Backend TypeScript / Express / PostgreSQL / Drizzle ORM
Frontend React / Vite / PWA - installable, works offline
Mobile Expo / React Native / react-native-nfc-manager
Deploy Docker - single container with embedded Postgres, or external DB
curl -sSL https://bitpos.app/install.sh | bashDocker 24+. An NWC-compatible wallet. That's it.