I'll note here that at least one "proof-of-capacity" coin already exists: http://www.burst-coin.org/ http://www.burst-coin.org/ I can't elaborate either on th

I'll note here that at least one "proof-of-capacity" coin already exists: http://www.burst-coin.org/ http://www.burst-coin.org/ I can't elaborate either on the merits of proof-of-capacity vs. proof-of-capacity plus proof-of-time.