There are only four basic currency systems in the world

[Hobbyist]

There are only four basic currency systems in the world

Disagree with me if you wish, and correct me where I am wrong, but I
believe there are only four basic currency systems in the world. Since
I am talking about the modern world, I will begin by excluding barter,
or “payment in kind”. That said, the four systems are:

1] The state or national currency.

2] Dollarisation.

3] The currency union.

4] The currency board.

For further explanation, read my full thread on the World of Coins
forum:

http://www.worldofcoins.eu/forum/index.php/topic,6679.0.html

[Peter]

There is a significant amount of barter used in the world. The
practice of tying a price (in local currency) to a weight of gold is
used in a few places.

[note.boy]

There are Joint Stock Banks and Private Banks.

There have also been local issues like the recent Hawick Ł1 notes in
Scotland. Billy

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