Technology & Cryptography - zkID 团队发布了 OpenAC：用于透明和轻量级匿名凭证的开放设计，展示了 0.129 秒的快速证明时间 [1] - OpenAC 是一种零知识身份构建，旨在与现有身份堆栈配合使用 [1] - OpenAC 专门构建为与欧洲数字身份架构和参考框架 (EUDI ARF) 兼容 [1]

Core Concept - ZK Identity (Zero-Knowledge Identity) proves facts without revealing identity [1] - ZK Identity protects privacy using zero-knowledge proofs [1] - ZK Identity prevents Sybil attacks with on-chain proof [1] Use Cases - ZK Identity enables use cases like voting, credit, and reputation [1] Educational Initiative - BitMart promotes learning about ZK Identity [1]