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What is dApp (Decentralized Application)?
डीऐपA dApp is an application that runs on a blockchain instead of a centralized server. Uniswap, Aave, and OpenSea are all dApps, and no company can shut them down.
Full Explanation
Decentralized applications run their backend logic on smart contracts deployed to a blockchain. Key properties: no single point of failure, censorship-resistant, transparent code (anyone can audit), and permissionless (anyone can use them). Categories of dApps: DeFi (Uniswap, Aave), NFT marketplaces (OpenSea, Blur), gaming (Axie Infinity), social (Lens Protocol, Farcaster), and DAOs. Most dApps have web frontends: you interact via a wallet like MetaMask.