dinars and dirhams are gold coins that were first used as currency in Muslim countries (ARAB) dinars and dirhams also had very expensive market prices at that time the Arab countries and they used the dinar as a dowry for marriage and also for giving alms because all Arabs at that time were Muslim, so in my opinion bitcoin has not been recognized by other countries as digital gold.
AFAIK all Arabs are still Muslims.Nothing has changed
I don't know why the OP mentions dinars and dirhams.Gold coins have been used in many other countries around the world,even before the Arab civilization.