WOB (Work on Bitcoin) is a Bitcoin Layer 2 solution that offers complete Ethereum Virtual Machine (EVM) compatibility and supports Bitcoin. It aims to facilitate DeFi and innovation, leveraging EVM for smart contract execution and compatibility with developer tools. WOB employs a rollup stack for security and connectivity, bridging Bitcoin and Ethereum ecosystems. The platform encourages experimentation on its public testnet and community engagement for developers interested in building on the Bitcoin network​​.