deleteme
youtube.com
youtube.com
It appears that the use cases are buying illegal guns and drugs, paying ransoms, avoiding taxes and international sanctions, and bribing world leaders.
Oh, absolutely. It's like user interfaces: sure, you can do good formatting in "Word". That's very difficult, so most "Word" output looks terrible.
Same with crypto: it's immensely harder to do anything, so almost exclusively crime gets done, because even though cryptocurrency is difficult and expensive to use, it's cheaper and/or easier than money laundering sums in the millions.
Your video still didn't address anything new, or why a non-criminal should use it.