There are 3 SM2 certificate transparency log systems included and trusted by ZT Browser, and there are 3 SM2 CT Logs are in the ReadOnly period, the specific parameters are shown in the following table. Welcome more SM2 certificate transparency log service release and submit for ZT Browser certification, after passing the certification, it will be included in ZT Browser for verifying the transparency signature data in the SM2 SSL certificate. More SM2 CT log, more secure for SM2 SSL certificate.