Crypto News OKEx Exchange Welcomes Hedera Hashgraph to its PlatformSharukh KhanSeptember 11, 2019 by Sharukh KhanSeptember 11, 2019 One of the world’s biggest cryptocurrency exchanges, OKEx, will become one of the only exchanges to list Hedera Hashgraph on its platform. Announced today (10/9/19)... Read more