>> In future, he explained, the blockchain could become so vast that it could keep track of every Visa transaction, every stock-exchange transaction, every bank

>> In future, he explained, the blockchain could become so vast that it could keep track of every Visa transaction, every stock-exchange transaction, every bank transaction and much more. “We could even create an individual account for that tissue”, he said, pointing to a paper napkin on the table. << Quote from OA. Would this not short circuit any form of privacy? Or would various agencies and individuals still have to show that the various 'napkin accounts' that make up one's daily transaction count belonged to the same person? I'm less concerned with the identity of Nakamoto and more concerned with the shape of the future!