This can be done with current dollars on a screen, the thousands of different cryptos out in the ether, gold, etc. Some take less energy and some take more. The

This can be done with current dollars on a screen, the thousands of different cryptos out in the ether, gold, etc. Some take less energy and some take more. Then they can be converted for work, a service, goods etc. This is not new or solely a characteristic of btc.