system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5: How do American blind people tell the difference between different bank notes when they are all the same size?

I know at least for Euros they come in different sizes for better differentiation.
gpt
There was actually a major lawsuit in 2008 regarding this. The US government lost and and the courts found that the current currency design is discriminatory to the blind. They're in the process of changing it but it's a long drawn out process.