Double Bottom USB Stick (USB Flash Drive with possibility to conceal information)

I propose to create a USB Flash Drive with the possibility to conceal the fact that the flash drive contains hidden information. I mean that hidden folders will not be displayed if the USB drive is connected to a computer. The microcontroller of the USB drive will carry the process of encryption and concealment of files. That is why the only solution to break protection will be to physically read memory from the memory component and break the encryption algorithm to get the plain data.