International Clearing Union

To do so, they design an international clearing union that would issue an international currency.

The international clearing union would settle credits and debts of the various national banking systems.

This international clearing union was originally proposed by John Maynard Keynes:

The International Clearing Union (ICU) was one of the institutions proposed to be set up at the 1944 United Nations Monetary and Financial Conference at Bretton Woods, New Hampshire by British economist John Maynard Keynes.