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A decentralized app (dApp) is a digital application or a program that resides and executes on a blockchain or peer-to-peer network of computers rather than a single computer. DApps are short for **Decentralized applications** which means it is not controlled by a single organization and they are playing a vital role in the world of blockchain. These decentralized applications operate on a. blockchain network in a public, open-source, and decentralized environment that is free of central control and influence.