Donate3 is a highly scalable public good project that advances the development of the global Chinese Digital Commons. It provides a simple and convenient multi-chain donation method, making it easier for web3 users to support and maintain public goods. By accepting multi-chain donations, Donate3 ensures the security and accessibility of donations. It also offers a user-friendly configuration process and generates EAS-based proof of donation, increasing transparency and accountability. Additionally, Donate3 encourages donations on Layer2 to reduce costs. Overall, Donate3 serves as the infrastructure to help build and support web3 public goods, benefiting the global Chinese Digital Commons.