![The 'Credit Card Number' Field Must Allow and Auto-Format Spaces (80% Don't) – Articles – Baymard Institute The 'Credit Card Number' Field Must Allow and Auto-Format Spaces (80% Don't) – Articles – Baymard Institute](https://baymard-assets-cdn.imgix.net/research/media_files/attachments/21006/original/research-media-file-79fc4ba2e4d2e7f3b1edc71d54fd1cc5.jpg?auto=format&q=50&w=880&dpr=2&fit=max)
The 'Credit Card Number' Field Must Allow and Auto-Format Spaces (80% Don't) – Articles – Baymard Institute
![I have two credit cards with the exact same last-4 digits, which makes any tracking or alert where only the last 4 digits are shown useless to me. : r/mildlyinteresting I have two credit cards with the exact same last-4 digits, which makes any tracking or alert where only the last 4 digits are shown useless to me. : r/mildlyinteresting](https://i.redd.it/vqeuvvtbde131.jpg)
I have two credit cards with the exact same last-4 digits, which makes any tracking or alert where only the last 4 digits are shown useless to me. : r/mildlyinteresting
![united states - Why do some credit cards display the 4 last digits of the credit card in the signature blank next to the CVV code? - Personal Finance & Money Stack Exchange united states - Why do some credit cards display the 4 last digits of the credit card in the signature blank next to the CVV code? - Personal Finance & Money Stack Exchange](https://i.stack.imgur.com/BGJth.png)