SEER is a Public Blockchain Platform For Sports Industry,Based on Graphene Toolkit.SEER USES the market mechanism to let users express their judgment on future events and gather the wisdom and views of many people to effectively predict future events. SEER provides a neutral and credible decentralized reality prediction market service for users by introducing the function of multi-host decentralized prediction machine (Oracle). At the same time, SEER integrates the council and arbitration mechanism, making SEER efficient, neutral, credible and autonomous.