Donald Trump announced the establishment of a U.S. national strategic crypto reserve with XRP, Solana, and Cardano.The announcement caused significant price increases for XRP (21%), Solana (12.5%), and Cardano (37%).The executive order paves the way for the creation of the reserve and positions the U.S. as the 'crypto capital'.Bitcoin and Ethereum will also be included in the reserve, leading to positive market gains.