No. To 'steal' [1] a credit card, all you need is the information you get if you check the credit card in a legitimate transaction. ( Credit cards unfortunately

No. To 'steal' [1] a credit card, all you need is the information you get if you check the credit card in a legitimate transaction. ( Credit cards unfortunately predate public key crypto.) So a stolen credit card is actually similar to a compromised public key. [1] actually copy