Sui is a high-performance Layer 1 blockchain built by Mysten Labs — founded by former Meta (Facebook) engineers who worked on the Diem blockchain and Move programming language. Launched on mainnet in May 2023, Sui is designed from the ground up for speed, low latency, and scalability, using a unique approach to transaction processing: instead of ordering all transactions sequentially, Sui processes simple, non-conflicting transactions in parallel, achieving sub-second finality for most operations. This makes it exceptionally fast for real-time applications like gaming, social media, and high-frequency DeFi.
Sui’s technical differentiators: Move programming language — a resource-oriented smart contract language designed for safety, preventing common vulnerabilities like re-entrancy attacks; Object-centric model — assets are “objects” owned directly by users, enabling the parallel execution model; Narwhal & Bullshark consensus — a DAG-based mempool and consensus protocol optimised for throughput; and zkLogin — allows users to create Sui wallets using familiar Web2 logins (Google, Facebook) without exposing a private key, dramatically lowering onboarding friction. SUI token is used for gas fees, staking, and on-chain governance. Sui’s ecosystem has grown rapidly with DeFi, gaming (Mysten’s own games), and NFT projects.
Example: A mobile game on Sui allows players to trade in-game items as NFTs. Transactions confirm in under 500ms with fees under $0.001 — fast enough to feel like a normal in-app purchase while being fully on-chain.
Learn more: Sui — Learn