[Vitalik Suggests Using Distributed Oracles to Prevent Malicious Manipulation of Prediction Market Outcomes] BlockBeats News, November 20, Ethereum founder Vitalik Buterin stated that prediction markets should adopt a 2-of-3 majority decision mechanism among ISW, deepstatemap, and liveuamap to prevent malicious manipulation of market outcomes. Distributed oracles and distributed decision-making are natural solutions to address such issues.