The Times of India

Wallet aluminium foil hack: Can wrapping your wallet in aluminium foil prevent theft and leaks of critical information?

Aluminium foil is now a popular internet trend for blocking wallet signals. This household item can weaken or block radio waves from contactless cards. Some government-issued identification cards transmit signals from significant distances. While foil offers some protection, it does not prevent all forms of digital theft. Not all cards in your wallet require this specific type of protection.