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DeFi

Fully On-Chain Prediction Market with Meteora DBC-Based Instant Settlement

Fully On-Chain Prediction Market with Meteora DBC-Based Instant Settlement

Harsh Ghodkar

Harsh Ghodkar

Problem to Solve

Current prediction markets rely on off-chain orderbook mechanisms because they lack efficient on-chain price discovery. This creates several issues:

  1. Settlement delays: Traditional prediction markets require waiting for events to resolve before participants can claim winnings
  2. Liquidity fragmentation: Off-chain orderbooks separate liquidity from the blockchain's native composability
  3. Capital inefficiency: Users must lock capital until event resolution, reducing overall market efficiency
  4. Trust assumptions: Off-chain components introduce centralization risks and require users to trust intermediaries The core challenge is that existing on-chain prediction markets haven't leveraged modern DeFi primitives to create truly efficient, instant-settling mechanisms that can operate entirely on-chain.

Possible Solution

A fully on-chain prediction market where YES and NO tokens are issued on top of a Dynamic Bonding Curve (DBC), enabling instant settlements without orderbooks. Key mechanism:

  • Instead of traditional orderbooks, use a two-sided bonding curve (y = x²) that moves up and down based on YES/NO demand
  • Bets are placed by buying into the curve, which automatically adjusts pricing based on market sentiment
  • The curve allows liquidity providers to earn yield per trade after results are published
  • Tokens are burnt when the event resolves, and USDC is distributed to winners immediately
  • No need for gradual selling - instant settlement upon event resolution

Resources

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