We propose a middleware solution designed to facilitate seamless integration of privacy using zero-knowledge proofs within various multi-chain protocols, encompassing domains such as DeFi, gaming, social networks, DAOs, e-commerce, and the metaverse. Our design achieves two divergent goals. zkFi aims to preserve consumer privacy while achieving regulation compliance through zero-knowledge proofs. These ends are simultaneously achievable. zkFi protocol is designed to function as a plug-and-play solution, offering developers the flexibility to handle transactional assets while abstracting away the complexities associated with zero-knowledge proofs. Notably, specific expertise in zero-knowledge proofs (ZKP) is optional, attributed to zkFi's modular approach and software development kit (SDK) availability.

翻译：我们提出了一种中间件解决方案，旨在利用零知识证明技术，在DeFi、游戏、社交网络、DAO、电子商务及元宇宙等多个多链协议领域中，实现隐私功能的无缝集成。该设计达到了两个看似矛盾的目标：zkFi旨在通过零知识证明保护消费者隐私，同时满足监管合规要求，且这两个目标可同步达成。zkFi协议被设计为即插即用型解决方案，赋予开发者处理交易资产的灵活性，同时抽象化零知识证明相关的复杂技术细节。值得注意的是，借助zkFi的模块化架构及软件开发工具包（SDK），使用者无需具备零知识证明领域的专门知识。