Vitalik Buterin Calls for Multi-Source Oracles After Polymarket Dispute
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Apr 23 — Ethereum cofounder Vitalik Buterin urged prediction markets like Polymarket to mandate a median of three independent oracles for settlement after a Paris-Charles de Gaulle weather dispute; Alleged sensor tampering let traders net about $37,000, renewing concerns over single-source settlement and recalling the earlier Myrnohrad error; Crypto/DeFi implication — highlights oracle security risk for prediction markets, pressures multi-source oracle adoption to protect settlement integrity, market trust and adoption.
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- Buterin urged a 3-source oracle settlement after fresh Polymarket weather disputes in Paris.
- Paris weather bets showed abrupt spikes as traders allegedly pocketed about $37,000.
- The case renewed concern over single-source markets after the Myrnohrad settlement error.
Ethereum co-founder Vitalik Buterin called for prediction markets to use multiple independent data feeds on April 23 after a Polymarket weather dispute in Paris. He remarked on X after a controversy over airport temperature readings revived concerns about how decentralized markets settle real-world bets.
Buterin said a median of three independent sources should be mandatory, linking the Paris case to an earlier dispute involving Myrnohrad. The latest controversy followed allegations that a bettor used a portable heat source near a Météo-France sensor at Paris-Charles de Gaulle Airport.
French auth…
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