Luhn algorithm: Double every second digit from right, sum digits, add rest → total mod 10 = 0. Valid card. Simple, unbreakable check.
Vía @stemexplor
#MathFacts #CreditCardTech #AlgorithmExplained
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2. Biometric Authentication 🔒
Your fingerprint = your security! Advanced credit cards now feature fingerprint sensors to ensure only YOU can authorize transactions. Extra protection against fraud!
#BiometricSecurity #CreditCardTech
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Mastercard Develops Remote Fingerprint Scanning for Biometric Credit Cards buff.ly/2FFtlsl via @lowcards #creditcards #creditcardtech #cardconexpo
Crazy new #creditcardtech, #headphones #spying on you and #Verizon has a major loss #TechNewsThisMorning buff.ly/2pJakBi
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#Police call for limits on #tapandgo cards to reduce crime. Have you been stung? #creditcardtech news.com.au/finance/busine…
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A great example of advancing #fintech innovation w/ #privacy initiatives~ forbes.com/sites/amitchow… #creditcardtech #security #financialprivacy
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6 Pieces of Credit Card Tech That Will Blow Your Mind - ow.ly/AxWJG #credit #creditcardtech #technology
