The right way to think about cryptocurrency coins is as lottery tickets that ... Venezuela is the first issuer of a state-backed cryptocurrency (the “petro”).
source https://www.google.com/url?rct=j&sa=t&url=https://www.theguardian.com/business/2018/dec/10/cryptocurrencies-bitcoin-kenneth-rogoff&ct=ga&cd=CAIyGmM2Nzk3ODA2ZWViNjVjODI6Y29tOmVuOlVT&usg=AFQjCNFJJ62d6_ncX-PDY4djYGnI6inJRQ
