Yes. Even you get into account directly. You see the user using a code redeemed from gift card. And then? You can't associate the code with anything at all ev

Yes. Even you get into account directly. You see the user using a code redeemed from gift card. And then? You can't associate the code with anything at all even you also hack into mullvad's server. There is no way to tell that where the code was from even for Mullvad themselves let alone others as long as there is no serial number that also displays on card without scratch open it.