Sure, Monero, otherwise you have to use payment processors and they'll KYC you to the moon and back because Think of the children™.
this post was submitted on 07 Aug 2025
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Privacy
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even privacy.com will KYC you
KYC?
Know. Your. Customer. Basically they verify your identity before providing you with any services. It's a common phrase in the crypto space.
It's not a cryptocurrency term, it's finance.
I assume you mean the cryptocurrency space? I haven't encountered in the cryptography space.
Yes, "crypto" typically refers to cryptocurrency, not cryptography, in my experience.
Know your customer
Thanks
Agreements with payment processors are needed to process payments on platforms like that, so it's not a feasible thing for a small open source project to pull off IMO.
If you just want limits on virtual cards, some credit cards have that built in already without needing a third party involved, Citi for example.
I'm mostly seeing if I can obfuscate my card details - the card limit is more of a nice feature but not needed
They do that too, because they generate a unique virtual card number each time.
Other than crypto or cash based prepaid debit cards. There is no other service that will allow you to do financial transactions without doing basic KYC and keeping a record of your transactions required by law in almost all countries. They may claim it's for legal reasons only and they don't sell it but can you trust them? And how much do you trust your government to respect your privacy and not subpoena those transactions because they deem them to be unlawful.
I'd love to have that, but such a service has to comply with government regulations and payment systems requirements in order to issue virtual cards that are generally accepted. I can imagine a company that would open source their code, but what benefit would it be for you? You can't self-host it and you cannot audit their infrastructure to confirm they run exactly the same code they publish... You want trustless finances - go crypto and say goodbye to convenience and wide acceptance.
Otherwise, you have to trust a middleman. And if we are talking about trust, privacy.com looks trustworthy. They have paid plans, so it doesn't look like selling clients data is their business model. They clearly say they don't sell users data in their privacy policy, which makes them a potential target for lawsuit if they caught lying. They haven't been caught on anything nasty. Good enough for me. You do you.
Call your credit card company. Depending on the company/bank, they will either give you a few virtual numbers and/or have the option of having one virtual number locked to a certain merchant or utility company.
~~There’s MySudo (which I subscribe to) but they charge 3%. It’s basically the same as using Privacy.com.~~ Good luck!
EDIT MySudo is not open-source, sorry.
You can buy gift cards at drug stores and just use those.