Cardano predicts that Bitcoin's DeFi ecosystem will surpass that of Ethereum and Solana.Cardano recently partnered with BitcoinOS, enabling ADA ecosystem to access $1.3 trillion liquidity in BTC.Bitcoin's recent innovations and partnerships have led Cardano founder Charles Hoskinson to believe that BTC will dominate DeFi.Cross-chain integration, such as Cardano's partnership with BitcoinOS, presents a significant opportunity for BTC owners in the DeFi space.