If a vpn provider claims and advertises a no-log policy, then they can't know how often you are connected because they need to store or log that information somehow. "We do not log, just a little bit to know the number of devices you connect to us".
We also monitor the real-time state of total connections per account as we only allow for five connections simultaneously. As we do not save this information, we cannot, for example, tell you how many connections your account had five minutes ago.
I will say, we are trusting all of these providers unless they have a way to verify it. I've yet to find a trustless VPN provider. I don't think it is possible. I'm fine with the tradeoffs of Mullvad and iVPN but I understand why some may not be. But based on what I saw on perfect-privacy I would not trust them any more. I don't like the email address requirement.
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Ah, ok. So they know that an account number has these public keys. Where as other providers don't know the list of public keys on your account? Depending on how you use the service, this difference is not important. IE, if you use your VPNs from home there is no difference. All of these providers will have your public keys and if they come from a single IP its pretty much the same thing. You do have me thinking about this differently though. For my threat model its not important but I'm curious.
When people think of logs they are thinking of keeping records of traffic that can be linked to accounts which can be linked to identities. This stuff is hard to do privately. Thanks for the info
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