The concept was revived by Belgian economist and expert on monetary systems Bernard Lietaer in 2001, based on a similar proposal from the 1930s.
For example, the composition of 100 Terras could include 1 barrel of oil, 5 bushels of wheat, 10 pounds of copper, 3 pounds of tin plus...1/10th ounce of gold, 1 Carbon Emissions Right, etc.
"[1] The basic principle emerged from early concepts presented in an article in the French newspaper Le Fédériste on 1 January 1933.
The idea to establish a L'Europa – monnaie de la paix (English: Europe - Money of peace), was given birth.
The idea was enthusiastically picked up by Lietaer during an educational journey.