Economy
Card verification values are omitted from magnetic stripes
HERE’S THE INTERESTING PART
That tiny three-digit code on the back of your card is the final, fragile line of defense against absolute digital chaos. It is purposefully excluded from the data encoded in the magnetic stripe to prove that whoever is typing the numbers is physically holding the plastic. Without it, cloned data from an ATM skimmer would grant thieves entirely unfettered access to your digital life.
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