<ul data-eligibleForWebStory="true">Cardano and Polkadot plan to invest in Bitcoin to support DeFi growth.Unstaked presale gains traction with $10.6M raised, offering high returns.Blockchain platforms integrating Bitcoin for long-term stability and expansion prospects.Cardano considering $100M BTC investment, Polkadot discussing 500,000 DOT conversion to Bitcoin.Unstaked blends AI with blockchain, boasts fast-growing presale and community rewards program.