> For the complete documentation index, see [llms.txt](https://vlinkpay.gitbook.io/vlinkpay-user-guide-english/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://vlinkpay.gitbook.io/vlinkpay-user-guide-english/vlinkcard/what-is-pin-code.md).

# What is PIN code?

A PIN (Personal Identification Number) is a security code for card transactions. It is established during the card activation process. This PIN allows you to verify your identity during various actions such as point-of-sale transactions, and card configuration. The PIN is a crucial component of card security, ensuring that only authorized users can access the card's funds.

You can change your PIN by selecting option “Change PIN” in Card detail