ExpressVPN is completely transparent in their policies and they do not track your data or any information on your digital activities on their servers and here is an example that this is true right away. The incident is related to the murder of the Russian ambassador and the Turkish authorities seized the server, arguing that the criminal used the VPN to delete important information for the investigation, Turkey found no traces, no logs that could help and this is a serious factual proof of the reliability of ExpressVPN
ExpressVPN uses 256-bit AES encryption combined with 4096-bit RSA key and SHA-512 HMAC authentication - this means the highest standard of encryption, which is the strongest protection of user traffic to date
Governments can not install any backdoors on ExpressVPN servers to expose privacy and the service claims that this will not happen in the future
Service uses its own DNS servers with zero disclosure, so all your data is securely encrypted.
ExpressVPN uses the Lightway protocol (which is the WireGuard protocol in fact) that will speed up your VPN connection and make it secure and stable, it is ideal for mobile devices. The Lightway library is planned to be open-source soon, which makes it slower to consume battery power.
You will have different protocol options depending on the tasks and devices you use, the available protocols are Lightway, OpenVPN, IKEv2, and L2TP / IPsec.