Cardano (CRYPTO: ADA) is trading around $0.79, down 0.6% on Tuesday as founder Charles Hoskinson told an audience that the network is preparing to integrate Bitcoin functionality, potentially drawing billions in liquidity. Charles Hoskinson said a dedicated 19-person team is developing "Bitcoin DeFi," which would let users transact directly in Bitcoin (CRYPTO: BTC), pay fees in Bitcoin, and earn yield back in Bitcoin using Cardano infrastructure.