Vivopower is supercharging its mining fleet and doubling down on XRP reserves, igniting a bold strategy reshaping crypto’s future. Vivopower Expands Mining Power While Locking in XRP-Centric Treasury Plan Vivopower International Plc (Nasdaq: VVPR) disclosed on Sept. 16 that its Caret Digital subsidiary will enlarge its proof-of-work mining fleet after negotiating bulk discounts on rigs,