HECO.WIN provides oracle machines that can be widely used in various online gaming and entertainment facilities, providing neutral and credible real-world data results for decentralized network, including competitive game results, standardized asset prices (securities index, currency exchange rate, virtual currency, etc.) and random numbers. Relying on this function, HECO.WIN will also develop various decentralized quiz entertainment applications and provide a huge variety of games to create a competitive decentralized online quiz ecology.