Monero is undoubtedly the best cryptocurrency out there if privacy is your main concern.
It is so secure/anonymous and private that you can’t even see the amount transacted between the different parties. Even law enforcement people weren’t able to find how much Monero the Alphabay owner had at the time of shutdown.
Yeah, if you are blind and stupid (sorry for expression) then Monero is best option for you. People don't you read?
https://www.wired.com/story/monero-privacy/The Dark Web’s Favorite Currency Is Less Untraceable Than It SeemsThat shouldn’t just worry anyone trying to stealthily spend Monero today. It also means evidence of earlier not-quite-untraceable payments remain carved into Monero’s blockchain for years to come, visible for any snoop that cares to look.