The difficulty is necessary for moderating consensus given more 'voters' (with their flops) joining the network. I'm interested by your idea, but you would nee

The difficulty is necessary for moderating consensus given more 'voters' (with their flops) joining the network. I'm interested by your idea, but you would need to work by a different consensus model. Proof-of-stake would be interesting to investigate, since mining doesn't scale with computation power, rather holding of the currency.