Key takeaways: Cardano is a third-generation blockchain platform launched in 2017 by Ethereum co-founder Charles Hoskinson. Designed for decentralized applications and smart contracts, it uses Ouroboros—a unique, energy-efficient Proof of Stake consensus mechanism. Cardano’s two-layer architecture separates transactions from smart contracts, enhancing scalability and flexibility. Its native cryptocurrency, ADA, is used for transaction fees, staking,