PolyYield removes the #1 barrier to prediction market adoption: fear of losing money. Users deposit USDC into Solana vaults managed by custom Rust and Anchor smart contracts. Deposits are pooled and lent through DeFi protocols generating ~12% APY. Winners earn the yield, losers get their full principal back, creating genuinely zero-risk trading. Real-time Polymarket API integration synchronizes off-chain market data with on-chain positions, while Solana’s low transaction costs and fast finality enable seamless deposits, position updates, and instant withdrawals without gas fee concerns.
PolyYield landing page
Tech Stack
Next.js · TypeScript · Solana · Rust · Anchor · PostgreSQL
Key Features
- Guaranteed principal protection with zero-risk prediction markets using DeFi yield distribution
- Custom Solana smart contracts in Rust and Anchor managing USDC vaults and on-chain settlement
- Real-time position tracking with live market data synchronized from the Polymarket API
- Automated yield generation through DeFi protocols (~12% APY) distributed to winners only
- Seamless wallet integration with Solana Wallet Adapter for instant deposits and withdrawals
- Fast, low-cost transactions leveraging Solana’s architecture for a real-time user experience
- Scalable account model supporting concurrent users in shared prediction pools
- Intuitive UI simplifying complex financial models for mainstream adoption
PolyYield markets view
Awards
- 🏆 Won Best Use of Solana at NexHacks 2026 @ CMU