DEOR is a completely decentralized oracle machine network with randomizer, reputation and security monitoring system. DEOR is the next generation oracle machine system, which overcomes the oracle machine problem by aggregating multiple oracle sources. DEOR provides higher quality data for blockchain by bringing information from multiple perspectives, eliminating potential biases and manipulations. DEOR works in a decentralized manner and adopts a dynamic reputation and rating system, allowing users to increase/decrease the reputation and weight of individual predictions based on their behavior during the data collection process....