I also like that you don't have to give them any private info at all to make an account. You can just send crypto and they'll give you an account code and that's it, you don't even need an email address.

I haven't tried it but apparently you can even mail them cash. You get a payment token and just send cash in an envelope and they'll activate it whenever the money shows up!

It's basically the gold standard, audited and proven. I hear good things about IVPN as well.

Be aware that Mullvad recently removed support for port forwarding if that matters to you. They're no longer a preferred option for torrents for that reason. Other than that I enjoy using their service.