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Cardano (ADA) is a third-generation blockchain platform focused on creating a secure, scalable, and sustainable ecosystem for decentralized applications (dApps) and smart contracts. Built using a research-driven approach and peer-reviewed scientific principles, Cardano distinguishes itself with its dual-layer architecture, where the Cardano Settlement Layer (CSL) handles transactions with ADA, its native cryptocurrency, while the Cardano Computation Layer (CCL) powers smart contracts and dApp functionalities. This separation enhances both security and scalability, allowing ADA to support complex applications without compromising transaction efficiency. Cardano's unique proof-of-stake consensus mechanism, Ouroboros, reduces energy consumption compared to proof-of-work blockchains, making ADA an environmentally sustainable choice. The Cardano ecosystem is dynamic, with projects spanning DeFi, NFTs, and governance protocols, and is actively developed by a committed community led by Input Output Global (IOG), Cardano Foundation, and Emurgo.