If you are looking for maximum security and encryption, then a VPN is the best choice. Unlike a proxy, a VPN not only hides your IP address, but also protects all your internet traffic through encryption. The article at https://clearvpn.com/blog/proxy-vs-vpn/ provides a useful explanation of the key differences. A proxy is more suitable for simple tasks, such as accessing blocked content. But if you plan to use public Wi-Fi networks, a VPN will provide a higher level of protection.