> ## Documentation Index
> Fetch the complete documentation index at: https://docs.etrnl.app/llms.txt
> Use this file to discover all available pages before exploring further.

# What is NFC?

> What is NFC? It is a 2 way communication method that uses high frequency radio waves to share information between devices.

NFC stands for **Near Field Communication**.
It is a 2 way communication method that uses high frequency radio waves to share information between devices.
It is commonly used to perform secure, contactless payments because the 2 devices need to be in very close range of each other in order for it to work.