According to Financial Tribune report, Four Banks in the Islamic Republic of Iran have created gold-backed digital currency called PayMon.
source https://www.google.com/url?rct=j&sa=t&url=https://cryptofame.io/iranian-banks-launches-gold-backed-cryptocurrency/&ct=ga&cd=CAIyGmM2Nzk3ODA2ZWViNjVjODI6Y29tOmVuOlVT&usg=AFQjCNEi1lvnSv7E3EgNHnqFRXESlGomPA
