My favourite comment from the old discussion came from andrewreds:
> WHAT... why would you completely black out the number, where you could instead use random coloured squares, that look like it is a blurring, so someone can go through all the effort, decoding your white noise, and thinking in the end they have your number... when they don't ;)
> WHAT... why would you completely black out the number, where you could instead use random coloured squares, that look like it is a blurring, so someone can go through all the effort, decoding your white noise, and thinking in the end they have your number... when they don't ;)
https://news.ycombinator.com/item?id=1939807