noun
a term used to describe the accidental interference of two contactless cards during a transaction
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The issue of card clash occurs when two contactless cards are used simultaneously near a card reader.
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I always make sure to keep my contactless cards separate to avoid any card clash at the checkout.
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Dude, watch out for card clash when you're tapping your cards at the same time!
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In the world of finance, card clash represents a clash of conflicting interests among stakeholders.