Most prediction markets have a transparency problem and not in a good way.
On Polymarket, every single bet is public. Whales get tracked. Bots front-run large positions. The “transparency” that’s supposed to be a feature actually becomes a weapon against retail users.
I saw this problem and built something different.
Introducing ShieldOdds, it’s a privacy-preserving prediction market where your bet amount is fully encrypted using FHE (Fully Homomorphic Encryption).
Nobody can see how much you bet. Not other users. Your direction (YES/NO) stays public so markets still work. But your position size is completely hidden until settlement.
Built on:
→ @zama fhEVM — FHE encryption
→ @chainlink price feeds — automatic resolution
→ ethers.js + fhevmjs — frontend encryption
→ Vercel — hosting
Live on Sepolia testnet with 7 price feeds: BTC, ETH, LINK, AAVE, DAI, USDC, MATIC.
The product is fully live and running, you can check it out here and get a more detailed information on what we built:
Website: https(:)//shieldodds (.) fun