Earlier quoted context omitted.
As you surely know - the bitcoin fraudsters' use Austrian economics to make the bullshit to the max all sound like it is somehow backed by (economic) theory (and nobel laureates). Mr Krugman is just one voice in the collected "Yes, Bitcoin is a Ponzi" articles. As you surely know - the most outspoken economist on the bitcoin investment fraud / bubble is Mr Rubini. See this US Sentate testimony, for example, https://b…
Yet in the next breath, many will claim (Marxist labor theory of value) the energy used in mining determines the value. There is value in a medium of exchange if users agree upon those terms. HODLing isn't that. To the extent that the medium of exchange is valued, it is because it would be more convenient, less costly, less regulated or otherwise useful. BTC's mining, fees and slow transaction speeds subtract utility…
Also (as an aside irrelevant to my above question), I think you greatly overestimate the number of people who subscribe to a labour theory of value. Personally, I don't recall encountering people who subscribed to it other than far-left shitposters on twitter (who are definitely a minority, although a rather vocal one).