Castar is a financial technology platform for tokenized real-world assets, including tokenized U
Castar is a financial technology platform for tokenized real-world assets, including tokenized U.S. equities. Users can verify holdings in their own wallets, earn yield on eligible assets, borrow against their portfolios, and spend through Visa cards without selling their assets. The platform advertises on-chain ownership verification, self-custody, global transfers, and card support in more than 180 countries.