Privacy-preserving prediction markets powered by Fhenix FHE on Arbitrum. Trade forecasts, automated price rounds, and multi-outcome markets while keeping market sentiment and positioning private.
PHANTOM Protocol is a privacy-preserving prediction market built on Arbitrum using Fhenix Fully Homomorphic Encryption (FHE).
Traditional prediction markets expose trader positioning, market sentiment, and betting direction on-chain. PHANTOM solves this by keeping directions, pool composition, and user positioning encrypted while preserving transparent settlement and verifiable outcomes.
The protocol includes:
• PhantomBet — encrypted YES/NO prediction markets
• PhantomRounds — automated BTC, ETH, and SOL price rounds
• PhantomMulti — encrypted multi-outcome markets
• PhantomToken — confidential FHERC20 token
PHANTOM combines Fhenix CoFHE, encrypted computation, automated oracle settlement, and real on-chain payouts to create a new category of private financial markets.
Key Features:
• FHE-powered private positioning
• Encrypted market sentiment
• Automated keeper infrastructure
• Real ETH payouts
• Multi-market architecture
• Arbitrum-native deployment
• CoFHE threshold decryption
• Fully on-chain settlement
Your position is real — but invisible on-chain.
<p>During the hackathon we transformed PHANTOM from an encrypted prediction market prototype into a complete end-to-end protocol.</p><p>Achievements:</p><p>• Deployed PhantomBet v2 on Arbitrum Sepolia</p><p>• Deployed PhantomMulti v2 on Arbitrum Sepolia</p><p>• Built PhantomRounds automated price engine</p><p>• Integrated Fhenix CoFHE for encrypted market operations</p><p>• Implemented real ETH payouts</p><p>• Created automated keeper bot for round lifecycle management</p><p>• Added encrypted reveal and claim flows</p><p>• Seeded 10 prediction markets and multi-outcome markets</p><p>• Completed 120+ automated tests</p><p>• Deployed production frontend</p><p>The protocol now supports real user interaction, encrypted market participation, automated settlement, and private market sentiment.</p>
<p>Bootstrapped project.</p><p>Currently focused on product development, protocol validation, user testing, and ecosystem adoption. Open to future grants, ecosystem support, and strategic partnerships.</p>
