Prediction Royale
Predict. Compete. Survive. A gamified prediction market where players stake ETH, predict BTC price movements, and compete in elimination rounds until one winner takes the pot.
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説明
Prediction Royale (PR)
Predict. Compete. Survive. A gamified prediction market where players stake ETH, predict BTC price movements, and compete in elimination rounds until one winner takes the pot.
Features
Multi-round tournaments — 3–20 rounds per game with progressive elimination
Commit-reveal scheme — Prevents front-running of predictions using on-chain hashed commitments
Oracle-powered — Chainlink price feeds for BTC/USD and ETH/USD resolution
Real-time eliminations — Bottom players eliminated each round
70/20/10 payout — Winner takes 70%, 2nd gets 20%, 3rd gets 10%
ERC-721 badges — Participation NFTs with on-chain SVG metadata
Live leaderboard — Real-time score updates via Supabase Realtime
Wallet-first — No email/password. Connect MetaMask, WalletConnect, or Coinbase Wallet
Game Flow
Connect Wallet — MetaMask / WalletConnect on Arbitrum Sepolia
Browse/Create Lobby — Set stake, max players, rounds
Join & Wait — Pay stake, wait for players or countdown
Commit Phase (300s) — Submit hashed prediction (YES/NO on price move)
Reveal Phase (60s) — Reveal prediction with salt
Oracle Resolution — Chainlink fetches real price
Elimination — Bottom players removed per round
Repeat — Until 1 player remains or all rounds complete
Payout — Winner 70%, 2nd 20%, 3rd 10% (3% protocol fee)