President Donald Trump proposed the creation of a U.S. cryptocurrency reserve, including altcoins such as XRP, Solana (SOL), and Cardano (ADA). This initiative has sparked debate among industry leaders regarding the strategic value of including these specific cryptocurrencies.President Donald Trump proposed the creation of a U.S. cryptocurrency reserve, including altcoins such as XRP, Solana (SOL), and Cardano (ADA). This initiative has sparked debate among industry leaders regarding the strategic value of including these specific cryptocurrencies.