I agree that human nature is corrupt at its core, but the blockchain is not. Placing cryptocurrency's aside and realizing that distributed entities will allow us an attempt at curtailing the effect of these negative human qualities is what I value the most. The blockchain is a perfect example of a publicly accessible ledger that is resistant to manipulation after the fact, inherently making it a source of truth. Blockchain technology will not change the entirety of society (in our life time) but it has definitely become a catalyst for social change.