Shum Private Messenger

Shum is a decentralized messenger for talking to people nearby and staying connected over distance. Start with a display name: no phone number, email address or external account is required. Chat without internet Discover people nearby and exchange text messages over Bluetooth. Both devices need Bluetooth permission and must be within range. Stay connected over distance When internet is available, encrypted messages travel through independent Nostr relays. Delivery depends on the connection and relay availability. Choose who can message you Add a contact by scanning a QR code. Your QR code carries your signed profile, so a contact can be added without internet. Saving a contact and accepting a chat invitation are separate actions. Private conversations Messages use end-to-end encryption. Conversation history is stored encrypted on your device. Protect access with a Shum passcode or…