The expensiveness of bitcoin comes, in part, as a consequence of removing trust from the system. Trust (that the State will accept this paper as a measure of my

The expensiveness of bitcoin comes, in part, as a consequence of removing trust from the system. Trust (that the State will accept this paper as a measure of my rights, essentially, and that this paper that someone is giving me fulfills that property) is really really expensive and has taken centuries to be built. In that sense, a decentralized trust-less exchange system needs to replace that value (trust) with another (in this caase, proof-of-work and the huge size of the ledger). Not easy...