The Kuwaity Dinar.
1 KWD = 3.54170 USD
1 KWD = 2.73842 EUR
1 KWD = 2.27702 GBP
If you mean literally hard, then metal coins (found in many countries) would be the hardest.
Euro Is the best currency in the world
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).
Vietnam currency dongo
The kuwaiti dinar is the biggest currency in the world
If you mean literally hard, then metal coins (found in many countries) would be the hardest.
Diamond is the hardest substance in the world
yes.
c b s e is the hardest course in the world
30 on the WORLD'S HARDEST GAME on AddictingGames
No, diamond is the hardest known natural substance in the world.
no thats why it is the world hardest game
cheats to the hardest game ever
it is TITANIUM
IRAN
This question!
it will be ................................................... YEET