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Originally Posted by @bhimanyu
it Depends on bank to bank. But industry average is 20. .i.e,
16digits=20digits
amex, mastercard\, discover all have different standards.
I have had cards which had only 10 digits and still worked.
But MOST have 20 digits.
I hope this helps.
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thanks very much.
Добавлено через 3 минуты 3 секунды
so if they touch me with 25 numbers I only delete the last 5 that would be pure 00000?
and leaving only 20?
why I compare other tracks2 and i only have 20 the same bin