Latest Winchain News: Winchain OS will share expertise about decentralized lottery system as sponsors and presents at the Global Blockchain Defi Summit taking place on October 29, 2019, at the Crowne Plaza Chengdu West Hotel in Chengdu, China.
https://medium.com/winchain/winchain-os-sponsor-and-present-at-the-defi-summit-chengdu-555ea581e27a