This is an advantage of proof-of-stake: in order to 'mine', you only have to own some of the coin. It's still not one vote per citizen, but it's much closer to

This is an advantage of proof-of-stake: in order to 'mine', you only have to own some of the coin. It's still not one vote per citizen, but it's much closer to it--and it's more stable, since people holding large amounts of the coin are motivated to ensure it's stability and security.