At Poloniex, we take security seriously and we are always looking for ways to improve our security posture. We have been using Cloudflare as our certificate provider for most of our domains, with the exception of our primary poloniex.com domain where the certificate is issued by another SSL certificate provider, DigiCert.
On June 16, 2021, we plan to transition from our current certificate issued by DigiCert to a new certificate issued by Cloudflare. This will consolidate all of our certificates under one provider and automate renewal of all of our SSL certificates, eliminating the potential for human error during the renewal process.
Note: No action is required by our users unless they have enabled certificate pinning or other custom checks against our SSL certificate.