Bitcoin is a form of digital currency, created and held electronically. No one controls it. Bitcoins aren’t printed, like dollars or euros – they’re produced by people, and increasingly businesses, running computers all around the world, using software that solves mathematical problems. [1]
illustration bitcoin [2]
Real gold coins
The English word "dinar" is the transliteration of the Arabic دينار (dīnār), which was borrowed via the Syriac dīnarā from the Greek δηνάριον (denárion), itself from the Latin dēnārius.The gold dinar was an early Islamic coin corresponding to the Byzantine denarius auri. A gold coin known as the dīnāra was also introduced to India by the Kushan Empire in the 1st century AD, and adopted by the Gupta Empire and its successors up to the 6th century. The modern gold dinar is a modern bullion gold coin. [3]
A mancus or gold dinar of the English king Offa of Mercia (757–796), a copy of the dinars of theAbbasid Caliphate (774). It combines the Latin legend OFFA REX with Arabic legends. (British Museum) [4]
In the kingdom of Samudra Pasai and Aceh Darussalam 12th century until the 20th century gold coin called the dirham.
Dirham kingdom of Samudra Pasai and Aceh Darussalam.
Residents search for gold coins (currency Dirham) in the village pond Merduati, Kutaraja district, Banda Aceh, on Tuesday (12/11/2013). Ancient gold coins estimated to number in the thousands first discovered in an ancient coffin by a seeker of oysters and sold to a gold shop in Pasar Aceh up to hundreds of million rupiah. [photo & text]