By using QR codes and a camera, Desimon facilitates offline file transfers without the need for network infrastructure or physical storage devices. How Optical File Transfer OperatesTL;DR Key Takeaways : Desimon enables offline file transfers using QR codes and a camera, bypassing traditional network infrastructure and making sure data security and privacy. Optical file transfer relies on encoding data into a sequence of QR codes displayed on a screen. Lighting Conditions: Poor lighting or low screen brightness can make QR codes difficult to read, further complicating the transfer process. By fine-tuning these variables, users can overcome many of the challenges associated with optical file transfer.