Senda
The messaging app that survives a government shutdown — because there is no server to shut down.
✓ No Central Server
✓ Post-Quantum Encrypted
✓ Blockchain Identity
✓ Works Offline (Hotspot)
✓ Deployed on Polygon Mainnet
🔗
True Peer-to-Peer
iroh P2P connects devices directly. No company to pressure. No server to subpoena. No single point a government can cut.
⚛️
Post-Quantum Cryptography
Kyber-1024 + Dilithium-5 — NIST Level 5 (highest). Conversations are safe today and against future quantum computers operated by state actors.
🔷
Blockchain Identity
Identity anchored in Polygon Mainnet. No user database to seize. Verified by a decentralized network no single government controls.
📡
Works Without Internet
Functions via local hotspot. Text, voice, and video in complete internet blackout — the most extreme conflict scenario.
💸
Peer-to-Wallet Payments
Send money wallet-to-wallet via Polygon. No bank. No intermediary. Emergency cash transfers in unbanked conflict zones.
🛡️
For Conflict Zones
Built in Colombia — 60 years of armed conflict — for journalists, humanitarian workers, and civil society where these threats are real.
⚠ Documented Cases — Why This Matters
🇮🇷
Iran 2019 — Telegram blocked during protests. 25 million users lost communication in the critical window.
🇲🇲
Myanmar 2021 — Facebook/Messenger cut during the military coup. The communication blackout enabled mass arrests.
🇧🇾
Belarus 2020 — Telegram partially interfered during electoral protests.
🌍
Ethiopia, Sudan, India — Documented internet and app shutdowns during armed conflicts.
Flutter
Rust
iroh P2P
Kyber-1024 (NIST PQC)
Dilithium-5 (NIST PQC)
Polygon Mainnet
Solidity
📋 Smart Contracts — Polygon Mainnet (chainId 137)
KarmaToken
0xbbeDA7E8d3C3d1253875C2DeB909e39Fba460C88
KarmaConverter
0x11D3B72BEd69cA48511aACdB561906fc057C3255
SendaKarmaEscrow
0xEe42C6FBDAb7c3903C261C7b621F6D0D0e072170
Built by Guacalita Inc. — Bogotá, Colombia / Delaware USA
Founder: Jose Gomez · j0lug0b4@gmail.com