Money & payments
Every card tap and transfer creates a record that says who paid whom, when, and often where. Most people never see how detailed that trail is, or that a digital euro is being designed around these very questions. These guides explain in plain language what your payments reveal today, what's proposed for the future, and practical ways to keep sensitive purchases private, presented fairly and without hype.
Tools compared
How much does each payment reveal about you?
- Debit & credit cards
Every transaction is logged and linkable by your bank and the card networks.
- PayPal
Convenient, but ties your purchases to a rich, long-lived identity profile.
- Bank transfers
Fully traceable by name and account on both sides.
- Disposable / virtual cards
Single-use or masked card numbers (from some banks and fintechs) stop merchants holding your real details, though your bank still sees the payment.
- Cash
Still the most private everyday option: no intermediary, no digital trail.
- GNU TalerVisittaler.net
An EU-supported payment system (not a cryptocurrency) using blind signatures: private for the payer, auditable for the payee. An emerging model for a more private digital euro.
Verified July 2026 and not exhaustive. “Readable by the provider” means the content can, in principle, be scanned or handed over. We take no money from any product listed here; where a tool sits can change, so check its current documentation.
Guides
- Pay online while sharing less about yourself Practical, EU-aware ways to pay online that reveal fewer of your real card details and less personal data to the merchants you buy from.
- Understand the digital euro before it arrives A plain-language, non-partisan explainer of what the digital euro is, how its privacy is meant to work, and why the final law matters more than the promises.
- How private are your payments? Cash, cards, and the coming digital euro What banks and card networks see when you pay, how the proposed digital euro says it will handle privacy, and practical ways to keep sensitive purchases private.