The crypto market has experienced a notable downturn over the past week, and is trading flat on the day. However, a handful of altcoins are defying this move, with some even posting double-digit gains on the day. The biggest winner of the day is Ethereum layer-2 network Mantle, which climbed 12.1% on the day to a $5.9 billion market cap as the 37th largest cryptocurrency. The double-digit jump follows Mantle’s partnership with centralized exchange Bybit, which offers higher leverage rates and better loan ...