B² Network is a modular Bitcoin Layer-2 solution designed to enhance transaction speed, reduce costs, and expand application diversity without compromising security. As the first zero-knowledge proof (zk-proof) verification commitment rollup on Bitcoin, B² Network enables Turing-complete smart contracts for off-chain transactions, paving the way for decentralized finance (DeFi), non-fungible tokens (NFTs), and other decentralized applications (dApps) within the Bitcoin ecosystem.