Why is the DOJ involved in blockchain disputes? ETH is imaginary, if they want to pretend it's actual property that can be stolen, they need to start following

Why is the DOJ involved in blockchain disputes? ETH is imaginary, if they want to pretend it's actual property that can be stolen, they need to start following a lot of laws related to banking and financials that no one involved with blockchains wants to follow. At best this is some sort of cybercrime of the unauthorized access sort and even that is dubious.