The FBI is used to situations where they can issue targeted takedown orders when groups publish illegal information, but blockchain setups complicate the situat

The FBI is used to situations where they can issue targeted takedown orders when groups publish illegal information, but blockchain setups complicate the situation. How does a company "providing" an immutable blockchain stop providing illegal / unlicensed content? Does the fact that their blockchain contains illegal / unlicensed content mean the service is illegal to operate in the US? The alternative is having some sort of legal safe harbor where there is content that, in other circumstances, you would not be allowed to distribute but you can because you are on the blockchain. Lots of distasteful outcomes possible.