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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.

Fiat currencies

Obsolete denominations of United States currency

The United States has produced several coins and banknotes of its dollar which no longer circulate or have been disused. Many of these were removed for specific reasons such as inflation reducing their value, rising minting costs, a lack of demand, or being too similar to another denomination.

Trading basics

Obverse and reverse

The obverse and reverse are the two flat faces of coins and some other two-sided objects, including paper money, flags, seals, medals, drawings, old master prints and other works of art, and printed fabrics. In this usage, obverse means the front face of the object and reverse means the back face. The obverse of a coin is commonly called heads, because it often depicts the head of a prom