Cardano founder, Hoskinson, predicts a $500,000 price for Bitcoin, linking it to the growth of DeFi.Despite recent volatility, Cardano (ADA) has surged 100%, establishing itself as a top altcoin.Hoskinson emphasizes that the evolution of DeFi will shape the next phase of crypto adoption.Cardano aims to bridge Bitcoin and DeFi by developing technology to integrate BTC without changing its core principles.