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Digital assets and currencies

Understand assets, networks and trading mechanics with sources you can check.

Fiat currencies

E. C. Riegel

Edwin Clarence Riegel (June 18, 1879 – 1953), generally known as E.C. Riegel, was an American author, consumer advocate and independent scholar who campaigned against restrictions on free markets that harmed consumers and promoted an alternative monetary theory and an early private enterprise currency alternative.

Finance

Informal value transfer system

An informal value transfer system (IVTS) is any system, mechanism, or network of people that receives money for the purpose of making the funds or an equivalent value payable to a third party in another geographic location, whether or not in the same form. Informal value transfers generally take place outside of the conventional banking system through non-bank financial institutions or o

Banking

Interest-free economy

An interest-free economy or interest free economy is an economy that does not have pure interest rates.

Securities & exchanges

Scripophily

Scripophily is the study and collection of stock and bond certificates. A specialized field of numismatics, scripophily has developed as an area of collecting because of the inherent beauty of certain historical certificates, and because of interest in the historical context of many of the documents. In addition, some stock certificates serve as excellent examples of engraving. Occasiona

Fiat currencies

Thomas H. Greco Jr.

Thomas Henry Greco Jr. (October 9, 1936 – June 15, 2026) was an American community economist, who wrote and consulted on monetary exchange alternatives, including private credit clearing systems, complementary currencies and local currencies.