A NYT link to Paul Krugman discussion on cryyptocurrencies..
https://www.nytimes.com/2018/07/31/opinion/transaction-costs-and-tethers-why-im-a-crypto-skeptic.html
Not particularly encouraging, and probably not a lot of interest here on ER, but certainly a lot of $$$ to be considered as part of the total economy... and what might happen in a worst case scenario. FWIW
https://www.nytimes.com/2018/07/31/opinion/transaction-costs-and-tethers-why-im-a-crypto-skeptic.html
Not particularly encouraging, and probably not a lot of interest here on ER, but certainly a lot of $$$ to be considered as part of the total economy... and what might happen in a worst case scenario. FWIW