Sui is a layer-1 blockchain designed for high-speed, low-cost transactions and scalable decentralized applications (dApps). Built using the Move programming language, Sui focuses on improving user experience and developer efficiency through parallel transaction execution. This unique approach allows for faster processing and better scalability. With a strong emphasis on security and performance, Sui supports use cases like DeFi, NFTs, and gaming, aiming to deliver a seamless and efficient blockchain environment for both developers and users.