Velar is a decentralized finance (DeFi) protocol built on top of Bitcoin as a Layer-2 agnostic platform. It aims to provide a secure, scalable, and decentralized infrastructure for DeFi activities while maintaining Bitcoin's security and decentralization. The protocol is designed to unlock Bitcoin's potential for sophisticated DeFi applications through various Layer-2 scaling solutions. Velar is currently live on multiple Bitcoin Layer-2 platforms, including Stacks, Bitlayer, and BOB. By leveraging the security of Bitcoin and the smart contract functionality of these Layer-2 solutions, Velar strives to build an open and accessible financial system.