What Is Rfid-Blocking Tech, And How Can It Protect Your Personal Information? An Expert Explains All

Ever wonder how your employee access card or apartment key tag works to open doors? You can thank Radio Frequency Identification (RFID) technology, which uses radio waves to identify your credentials every time you scan them.

RFID has been around since the 1970s, according to the Department of Homeland Security. This same technology is used in credit card chips to enable contactless paying (cha-ching!), as well as in passports.

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