Cryptocurrency and Block Chain

The block chain is a record who owns which bicoin. The way i look at it a the central banker, we went from single ledger accounting in the ancient days before the medicis right, single entry accounting. And then am i right to think of was ing here with crypto and block chain, that this is really sort of triple entry leger, that ia i advanced the concept of accounting and tractability? Those who are mining are a, in a sense, basically insuring the accounting system that's been revolutionary counter system. Yes, i think that's right.