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Polymarket is accused of manipulating prediction market outcomes, and Vitalik suggests using decentralized oracles

Nov 20, 2025 18:25:46

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The user from the crypto community, Internet Child (@0xinternetchild), posted on social media stating that the data provider ISW for the prediction market platform Polymarket is suspected of deliberately manipulating market outcomes.

Ethereum co-founder Vitalik Buterin responded by saying that a 2-of-3 majority decision mechanism should be adopted among ISW, deepstatemap, and liveuamap, believing that distributed oracles and distributed decision-making are natural solutions to such issues.

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