Best RFID Blocking Card 2026 — Top 5 Tested & Ranked
We bought and tested 2026's most popular RFID blocking cards from Cardian, Magriffin, KF-Premium, VAULTCARD, and PACIFIC SHIELD — carrying each through airports, subways, and self-checkout kiosks for three weeks to find out which one actually shields your credit cards, IDs, and passports from digital pickpockets.