Charles Hoskinson says "we're working really diligently to be Bitcoin's computation DeFi layer. We allow for Bitcoiners to pay their transaction fees in Bitcoin $BTC , and get their yield in Bitcoin, which is a unique competitive advantage for Cardano $ADA ."
Cardano is at the nexus of Bitcoin DeFi. The DeFi opportunity with Bitcoin is about 4x larger than the entire market cap of Solana and Ethereum $ETH combined.