GENEVA, Nov. 30 -- HANGZHOU YUNPHANT NETWORK TECHNOLOGY CO., LTD (Building 7, Haizhi Center, Yuhangtang Road, Cangqian Street, Yuhang DistrictHangzhou, Zhejiang 310000), 杭州云象网络技术有限公司 (中国浙江省杭州市余杭区仓前街道余杭塘路海智中心7号楼) filed a patent application (PCT/CN2024/102448) for "BLOCKCHAIN-BASED REGULATION AND GOVERNANCE METHOD, SYSTEM AND APPARATUS BASED ON GROUP ATTRIBUTE-BASED ENCRYPTION" on Jun 28, 2024. With publication no. WO/2025/241256, the details related to the patent application was publishe...