Being a conduit for crime like ransomware, sextortion, etc.

https://pubmed.ncbi.nlm.nih.gov/41825108/

That no one seems to care about the underlying cryptography (except the nerds still communicating via op_return). I hope it falls out of fashion completely and returns to its cipherpunk roots.

It solved an already solved problem so that people who thought they knew better could rediscover exchanges and central banking.

And also fund all kinds of shady shit.

It's June almost July and people don't want to have an active portfolio with potentially wild swings 24/7 overe the holidays