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Digital assets and currencies

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

Fiat currencies

Black Eagle Silver Certificate

The Black Eagle is a type of one-dollar silver certificate produced in 1899 in the United States. The note measured 7.38 in (187 mm) by 3.18 in (81 mm); it was of the large-size variety of bank-notes issued by the United States. The note featured a Bald eagle with its wings spread. The note was also referred to as "Eagle of the Capitol", because the United States Capitol is visible behin

Fiat currencies

Funnyback

A Funnyback is a type of one-dollar silver certificate produced in 1928 and 1934 in the United States. People referred to the note as a "Funnyback" based on the significantly lighter green ink and unusual font printed on the reverse.

Trading basics

Symbols of the United States Department of the Treasury

Symbols of the United States Department of the Treasury include the Flag of the Treasury Department and the U.S. Treasury Seal. The original seal predates the department, having originated with the Board of Treasury during the period of the Articles of Confederation. The seal is used on all U.S. paper currency, and—like other departmental seals—on official Treasury documents.