Your saved passwords are reversible too, just don't do it. If you really want to, put a password on it, but then why would you even save it at all? The convenience is lost at that point. And if you save it without a password, to decrypt the cc a decryption key has to be saved somewhere, and if it's not on your pc, it's saved on a server you don't own.
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If you have malware on the machine it could just steal it when you use it the next time.
I trust it enough to use the feature, but I've got separate cards for online and in-person purchases. The online card is temporarily disabled in my bank app, and I only unblock it when I intend to use it. Takes like 30 seconds extra.
The in-person card is permanently unlocked for NFC and regular store transactions, but region locked to the country where I'm currently at, and transactions over $30 require the PIN.
Are you in the EU?
I'm an EU citizen and my cards are issued in the EU, but I live in Asia.
Which Bank? The one I use sucks ( financially and IT-sec wise)
DKB, the credit card for online purchases and the debit card for in person stuff. The app allows quite some micromanagement for card permissions.
On top of it I've got an account with wise.com where I can generate virtual cards, I do that frequently when traveling abroad to sign up for local taxi apps and other services I'll never use again, then delete the card once I'm done.
And as an ultimate backup I've got an N26 account, just in case someone only accepts MasterCard. I don't trust them one bit though and only carry a balance of 150 EUR or so on the card and top it up only when it's exhausted.
Are you happy with DKB and Wise in all other ways?