ChainThink report: The PSE, a privacy research laboratory within the Ethereum ecosystem, announced on X that its zkID team has released OpenAC, an open, transparent, lightweight anonymous credential design with a proof presentation time of just 0.129 seconds. This design outlines a zero-knowledge identity construction scheme intended to interoperate with existing identity infrastructures and is specifically engineered to be compatible with the European Digital Identity Architecture and Reference Framework (EUDI ARF).