Cardano founder Charles Hoskinson classified XRP and ADA as safe blue chip cryptocurrencies due to their longevity and resilience.Hoskinson noted that the U.S. crypto reserve currently includes BTC, XRP, SOL, ETH, and ADA, praising XRP and ADA for their strong ratings.He mentioned Solana as “kinda mid” for being neither new nor old.Hoskinson highlighted the need for a working group to determine additional assets and the procurement process for the U.S. crypto reserve.