All projects06 / Smart contracts / 2025
A provably fair on-chain lottery that lives inside Telegram.
- Role
- Design & engineering
- Year
- 2025
- Stack
- CosmWasm, Rust, Telegram Bot API, MPC
- Links
- winsaf.xyz
(01) Overview
WinSaf brings a verifiable lottery to where people already are. Draws are backed by a public randomness beacon, funds sit in MPC 2-of-3 wallets, and every round can be checked on-chain.
(02) Highlights
- 01Open-source CosmWasm contracts.
- 02Beacon-backed draws and on-chain verification of every round.
- 03MPC 2-of-3 wallets, no single key holder.