This is an invisible image composition.
There are 10 billion possibilities.
Each image has a base size of 1000x1000 pixels with 10 attributes labeled in alphabetical order from A to J, each attribute contains 10 transparent images with different sizes ranging from 1x1 to 10x10 pixels.
The idea is that collectors can acquire invisible piece of art that have a ranking order through the use of one-of-a-kind contracts.