Hemi is a modular layer-2 protocol based on the dual cores of Bitcoin and Ethereum, designed for breakthrough scalability, security, and cross-chain interoperability. Unlike the current industry practice of isolating and opposing these two ecosystems, Hemi innovatively restructures Bitcoin and Ethereum into a unified super-network component, unlocking innovative dimensions of programmability, portability, and ecosystem potential through a smart contract abstraction layer. The protocol is dedicated to building a converged infrastructure for the complex use cases of Bitcoin DeFi, pioneering the deep integration of blockchain scaling solutions and AI-enhanced Web3 protocols, laying the underlying architectural foundation for the upcoming explosion of the smart contract internet.