> This paper trail is immutable. That is valuable. It is only valuable on the blockchain if its cost to maintain is less than, say, a mid-sized country worth o

> This paper trail is immutable. That is valuable. It is only valuable on the blockchain if its cost to maintain is less than, say, a mid-sized country worth of electricity. Who will be the miners required for this blockchain? Who will pay for the mining? Who will ensure there is no 51% attack on the blockchain?