权证链 is a judicial blockchain application launched by Beijing Zhonghai Yixin Information Technology Co. Ltd in earlyIt serves as a one-stop electronic evidence service platform. As a primary node of the Beijing Internet Court's Tianping Chain, it is developed based on national and industry standards for electronic evidence preservation and collection. The platform provides users with a full range of services, including evidence preservation, collection, certification, and judicial protection for electronic evidence. This includes functions such as document preservation, webpage preservation, copyright preservation, and screen recording preservation. All electronic evidence stored on the platform is directly accessible by the Beijing Internet Court, ensuring the integrity and authenticity of the evidence through the use of blockchain, data encryption, and secure cloud storage technologies.

Please note that the live recording feature of the app uses background audio services continuously. When the app is switched to the background, the audio connection will still be maintained, which may consume more battery power compared to other operations.