Blockchain app development focuses on creating decentralized applications (dApps) that leverage blockchain technology to improve security, transparency, and user control. Developers build these applications for various industries, such as finance (DeFi), gaming, supply chain, and healthcare. Blockchain apps utilize features like smart contracts, digital tokens, and decentralized networks to automate processes and remove intermediaries. By using blockchain, these apps offer users greater privacy, security, and reliability while supporting decentralized ecosystems, giving businesses and individuals access to innovative, trustless solutions.