DApp development, or Decentralized Application development, refers to creating applications that run on a blockchain network, such as Ethereum or EOS. These applications are decentralized, meaning that they operate on a network of computers instead of a single server, and are powered by smart contracts. DApps can be used for a wide range of purposes, such as gaming, finance, social networking, and supply chain management, among others. Developing a DApp involves programming in blockchain-specific languages such as Solidity, implementing smart contracts, and integrating with the blockchain network.

DApp development requires a deep understanding of blockchain technology and its underlying principles, as well as proficiency in programming languages and web development frameworks. As blockchain technology continues to evolve and become more widespread, DApps are expected to become an increasingly important part of the decentralized economy, providing innovative and decentralized solutions to real-world problems.