$ADA ADA is the native cryptocurrency of the Cardano blockchain, a decentralized platform focused on security, scalability, and sustainability. Developed by IOHK and co-founded by Charles Hoskinson, Cardano uses a unique proof-of-stake protocol called Ouroboros. ADA enables peer-to-peer transactions and powers smart contracts and decentralized applications (dApps). Its research-driven approach aims to provide a more balanced and sustainable ecosystem for crypto innovation.