Mullvad
Mullvad is highly privacy-focused and offers a unique account number system for user anonymity. It's a good choice for users who prioritize anonymity.
Mullvad's strong commitment to privacy and anonymity, along with its unique account creation process, makes it a popular choice among users who value online anonymity and want to minimize the collection of personal information. However, as with any VPN service, it's advisable to check their website for the most current information and reviews to ensure it meets your specific needs.