To start: I was taught in the 90s when I first entered the "internet" that "everything online is public. The End."
I still adhere to that. I am perhaps a bit overly cautious and whatnot, as I will forego convenience to have the feeling of privacy (though in some cases I believe it's just a smokescreen).

That being said, the main premise to my question is this: I have three cards with which I pay for things. I have a debit card which I use for most purchases, a credit card I use for large purchases I can't immediately cover with my bank account, and a credit card for two specific payments. Every December my company gifts all employees a $100 Visa gift card. I tend to splurge on things I'd rather not have show up in my bank account or credit card, because I feel my purchase habits are tracked (similar as to when I put in a local brewery into Waze... and yeah, I use Waze.)

And now to my actual question: is there a credit company, or a method of credit/debit card I can utilize that will not track/share/etc my personal or purchase info? I had never thought of this idea, aside from the gift cards which usually come with some form of caveat (you lose money on fees for a prepaid card, or you can lose your balance if not spent in a certain time frame, etc) until just now I guess. I found privacy.com which looks kind of legit, but ... I'm always skeptical to start.

All that being said, if you could offer any advice or thoughts on the matter, I would greatly appreciate it. Thanks!

(Edit: the original reason I ask this is because I was thinking that I use Discord a lot and would like to throw a few bucks their way and customize my profile or something "fun" like that, but I do not want them to have my info.)

Specifically this week I have to choose whether to create an account with paypal, cashapp or venmo but I am also interested in a broader discussion including other apps. Any advice or information would be welcome.