Echo is a liquidity aggregation and yield infrastructure layer specifically designed for Bitcoin. It aims to tackle the issue of fragmented Bitcoin liquidity, which exists in various forms, including native Bitcoin, liquid staking tokens, and wrapped Bitcoin. By streamlining Bitcoin integration into decentralized finance (DeFi), Echo enhances yield generation through innovative solutions. With Echo's liquidity aggregation service, users can deposit Bitcoin across different standards and receive a unified Bitcoin representation. This allows seamless interaction with DeFi applications without the need for traditional Bitcoin staking methods. Echo supports multiple Bitcoin Layer 2 solutions and various liquid staking and wrapped Bitcoin tokens, ensuring a broad compatibility within the ecosystem. The Echo infrastructure simplifies Bitcoin's entry into DeFi by promoting pricing efficiency and minimizing risks associated with depegging and slippage. This maximizes asset utilization for users participating in decentralized protocols, enhancing their overall experience and returns. Additionally, Echo is developing a Bitcoin finance hub on the Move ecosystem, designed to help users optimize their Bitcoin yields. Users can stake their assets on Echo's Yield Layer and engage in diverse yield farming strategies that align with their risk preferences. The platform offers various yield optimization methods, including leveraged liquid staking and lending/borrowing options. With a focus on security, Echo employs Proof-of-Reserve to ensure that Bitcoin assets on its aggregation layer are safe and transparent. The integration of CeDeFi, utilizing secure custody solutions, allows Echo to provide stable returns and additional yield generation opportunities for its users.