[BitShares DEX MM/trading Contest Announcement] Changing Buyer:Seller Reward Ratio to 70:30 / 交易大赛参数调整：买卖盘奖励比例调整为70:30

[BitShares DEX MM/trading Contest Announcement] Changing Buyer:Seller Reward Ratio to 70:30 / 交易大赛参数调整：买卖盘奖励比例调整为70:30 | SteemCN