Hi, f2pool miners
BigONE has listed GRIN / USDT, GRIN / BTC trading pairs. At the same time, for the f2pool miners, we have launched a 20 USDT giveaway event for registering one BigONE new account. https://bigone.zendesk.com/hc/en-us/articles/360015737174-BigONE-has-Listed-GRIN-USDT-GRIN-BTC-Trading-Pairs