Card that offers the anti-hacking protection for your data. The technology blurs the signals from scanners used by hackers and hackers. With a single Protect your contactless cards and personal data with just one card. This smart technology blocks RFID/NFC signals used by hackers to access your credit cards, passports, and IDs wirelessly.card, you secure your entire wallet, Visa, Mastercard, Passport, and anything that uses RFID or NFC wireless transmission. RFID and NFC blocking, contactless credit cards.