If you mean literally hard, then metal coins (found in many countries) would be the hardest.
Currencies based on natural tender rather than man-made tender will be the hardest to forge. Cowry shells are difficult to forge, so are rare metals (such as gold), and most minerals (such as diamonds).
The Kuwaity Dinar. 1 KWD = 3.54170 USD 1 KWD = 2.73842 EUR 1 KWD = 2.27702 GBP
Governments issue currency, and if you trust the government, you will trust its currency.
The Azerbaijani New Manat is the currency of Azerbaijan The Yen is the currency of Japan The NZ dollar is the currency of New Zealand The pound Sterling is the currency of the United kingdom The Malaysian ringgit is the currency of Malasia The Chilean peso is the currency used in Chile etc
one countries currency is worth another countries currency.
Currencies based on natural tender rather than man-made tender will be the hardest to forge. Cowry shells are difficult to forge, so are rare metals (such as gold), and most minerals (such as diamonds).
The Kuwaity Dinar. 1 KWD = 3.54170 USD 1 KWD = 2.73842 EUR 1 KWD = 2.27702 GBP
The hardest substance in a rock would be the hardest mineral of which the rock is composed.
diamonds are the hardest
The name of the hardest solid is a diamond; it is the hardest object known to humankind.
Diamonds are the hardest mineral and the agate is the secod hardest mineral.
From what I hear, One is the hardest & Master of Puppets is second hardest.
The third hardest gemstone is ruby and then the fourth hardest is emerald.
yes.
the hardest i can think of is "What is the answer to this question?"
Diamond is the hardest precious stone
Expert is the hardest.