$ADA ADA is the native token of the Cardano blockchain platform, used for paying transaction fees, participating in governance, and staking for rewards. As a cryptocurrency that adopts a Proof of Stake (PoS) mechanism, ADA emphasizes sustainability, security, and decentralization. As the ecosystem expands, ADA is widely used in decentralized finance (DeFi), smart contracts, and NFTs, demonstrating strong technical potential and long-term development prospects.