When my grandpa called to say he received a new credit card, I expected questions about interest rates or rewards. Instead, he was fixated on a tiny green dot sticker on the card. He feared it was a scam—maybe a signal for fraud or identity theft. After all, it’s not every day you get a credit card with an unexplained sticker.

Curious, I decided to dig deeper. Was it a new security feature? A marketing gimmick? Or was Grandpa right to worry? What I discovered revealed surprising insights into how credit card companies protect their customers.

The Arrival of the Mysterious Card
The card arrived in a standard envelope with the usual pamphlets: terms, activation instructions, and reward program details. What stood out was the small green dot sticker in the bottom-right corner.

Grandpa, cautious as always, immediately questioned it. The sticker wasn’t mentioned in any documentation, which only fueled his suspicion. With identity theft on the rise—credit card fraud accounted for over 35% of identity theft reports in 2022—his concern wasn’t unfounded.