They'd have to shut down the internet. If you can generate an address, I can send you Bitcoin (the role of the internet is limited to broadcasting the transacti

They'd have to shut down the internet. If you can generate an address, I can send you Bitcoin (the role of the internet is limited to broadcasting the transaction to the network). So, no. Perhaps for a certain class of user—someone who depends solely on an exchange—they can stop them but ultimately, no. They'd be limited to showing up with guns. It's not nearly as futile as it seems unless people buy into the propaganda.