He also says that in order for anyone to make money by trading actual dollars for bits on a blockchain and then back again, or by mining those bits by paying an absurdly large power bill (to say nothing of single purpose hardware that becomes useless within a few years) and then selling them to the next guy, one must somehow convince some other poor soul that those bits on that blockchain are now somehow worth more dollars than they were when one bought them to begin with. No cryptocurrency can exist without bagholders. Categorically.