Delphy is an open-source, decentralized, mobile prediction market platform built on Ethereum. The Delphy App is a light Ethereum node that runs on mobile device. Delphy uses market incentives to allow participants in a market to communicate, instantly and transparently, their wisdom regarding the outcome of upcoming events, effectively predicting the future. Delphy is a mobile platform for the prediction market and an ecosystem of the Prediction as a Service (PaaS) platform. Users are able to participate in transactions in prediction markets, anytime and anywhere. They can also use the Delphy API and SDK to customize prediction markets based on different vertical field parameters. Delphy can be applied extensively to prediction markets in finance, insurance, national defense, health care, public management, sports, entertainment and even markets within organizations. https://delphy.org/en