Credit Cards
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What Is Credit Card Skimming, and Do I Need an RFID-Blocking Wallet?
Magnetic stripes, chip cards, contactless payments, and RFID-blocking wallets: I investigated what skimming actually means and what I want to protect against.
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Why Don't I Sign for Credit Card Payments in Japan Anymore?
I thought signing was safer than entering a PIN. Japan's end to PIN bypass sent me down a rabbit hole about signatures, chip cards, and blank card backs.