The blame should be put squarely on the shoulders of tophatter.com. They know the quality of what is being sold and choose to look the other way for the sake of making commission and sales fees on these imitation goods. In my estimation and also the interpretation of the law this is outright FRAUD.
Inverse operations are opposite operations that undo each other. Addition and subtraction are inverse operations. Multiplication and division are inverse operations.
The key to the process, they say, is a network coding and decoding element called RLNC, or Random Linear Network Coding. RLNC is the technology that they've patented and wrapped into C++ software at Steinwurf called Kodo. Steinwurf plans to sell its technology to hardware makers.