The system is voluntary for now and will be completely unrolled (possibly nationally) by 2022.
The information will be saved for 180 days according to the Department of Homeland Security. If you believe that, you may be easily fooled.
The Las Vegas airport was the first major airport to unroll a cashless system several years ago and it became the first domino that would later fall into hundreds of international airports that are now cashless.
Vegas tends to be a testing ground due to the large sum of tourists from throughout the world that find their way to the city each week.
As interest rates head to negative territory and the cashless society is unrolled, the data of the populace is gathered in order to use in the future technocratic control grid as we've seen in places like China and as we are starting to see in places like Australia and Sweden.
We will continue to cover this story as it develops!