What RFID protection actually blocks, and whether you need it

RFID protection shows up on nearly every wallet listing now, often with no explanation of what it's actually stopping. Here's the real answer.

What RFID cards actually do

Contactless cards — tap-to-pay debit and credit cards — broadcast their data over a short-range radio signal when a reader gets close enough. That's the same technology that lets you tap your card at a payment terminal instead of inserting it.

The real risk, without exaggerating it

A scanner held within a few centimetres of an unprotected card can, in theory, read some of its data. In practice this requires proximity most pickpockets don't get, and most banks limit what a skimmed signal alone can actually do. It's a real but fairly narrow risk, not the identity-theft disaster some marketing implies.

How RFID-blocking actually works

A thin layer of metal fibre woven into the wallet lining creates a Faraday cage effect, physically blocking the radio signal from reaching a scanner. It's a passive shield, not software or anything that can fail or need updating.

Is it worth having anyway

It adds no bulk, no cost difference worth mentioning, and closes a real, if narrow, gap. Not essential, but there's no actual downside to a wallet having it built in.

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