BlindPost

BlindPost is a private messenger built for people who value their privacy.TRULY PRIVATE• End-to-end encryption for all messages, calls, and files (XChaCha20-Poly1305 + Ed25519)• No phone number or email required to sign up• No ads, no trackers, no analytics SDKs• Servers are blind — they store only encrypted blobs and cannot read your messagesFEATURES• Private and group chats with full E2E encryption• Voice and video calls (WebRTC, E2E encrypted)• Send photos, videos, files, and voice messages• Burn after read — messages auto-delete after viewing• Link previews with OG metadata• Polls in group chats• Message reactions and replies• Contact card sharing• Forward messages (text, image, video, file, contact)SECURITY• Your Ed25519 public key is your User ID — no phone number, no email• Your private keys never leave your device• Encrypted backup and restore via 12-word recovery phrase• No personal information required — servers cannot link communications to your real identity• Open architecture: P2P server cluster, no single point of failure• PIN lock and biometric authentication (Face ID / fingerprint)AVAILABLE IN 6 LANGUAGESEnglish, 中文, 繁體中文, 日本語, 한국어, EspañolBlindPost exists to protect your right to private communication in the digital age.