Event Contract: (2) Bring friends for 2 hours of high-frequency real trading records. Currently, both the contract and event contract continue to profit and double. Only real trades; time is the best answer. The challenge has been completed. Now starting to continuously engage in high-frequency trading and take orders. Welcome to communicate (homepage) and also welcome to challenge and question the authenticity. #事件合约 #ETH #BTC #合约带单