> If you want to be more efficient and less wasteful than Bitcoin, at some point trust has to come into play. In that case, one might as well go with any of th

> If you want to be more efficient and less wasteful than Bitcoin, at some point trust has to come into play. In that case, one might as well go with any of the permissioned blockchains (such as Interplanetary database where the nodes are run by reputed non-profits for a minimal fee).