Electronic evidence storage method and system, electronic equipment and storage medium

The invention provides an electronic evidence storage method and system, electronic equipment and a storage medium, and the method comprises the steps: obtaining public information, a registry and a credit list library, the registry being used for storing a real identity and a pseudonym identity of an electronic evidence, and the credit list library being used for storing a credit identifier of a user; calculating a blind aggregation signature of a plurality of electronic evidences of any user according to the public information, a registry and a credit list library; verifying the blind aggregation signature; and uploading the blind aggregation signature passing the verification to a new block of the first block chain. According to the method and the device, the problem of relatively low storage efficiency of the electronic evidence on the block chain in the prior art is solved. 本发明提供了一种电子证据存证方法、系统、电子设备和存储介质，其中，该方法包括：获取公共信息、注册表以及信用名单库，注册表用于存储电子证据的真实身份和假名身份，信用名单库用于存储用户的信用标识；根据公共信息、注册表以及信用名单库计算任一用户的多个电子证据的盲聚合签名