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Digital assets and currencies

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

Trading basics

Almshouse

An almshouse is a form of charitable housing that developed in medieval Europe to provide long-term accommodation for people unable to support themselves, most often the elderly or disabled. Originating from earlier hospital foundations associated with Christian charity, almshouses emerged as distinct institutions by the later medieval period, typically housing small numbers of residents

Securities & exchanges

Arthur Dantchik

Arthur Dantchik (born 1957) is an American billionaire businessman and philanthropist who is a co-founder and the managing director of Susquehanna International Group, a Bala Cynwyd, Pennsylvania-based financial services firm founded in 1987. As of September 2026, Dantchik's net worth was estimated at $19.5 billion.

Trading basics

Ascension (healthcare system)

Ascension is a large private Catholic healthcare system in the United States. Ascension had 142,000 employees, 90 hospitals, and 40 senior living facilities operating in 17 states and the District of Columbia as of July 1, 2025. Ascension is one of the largest nonprofit and one of the largest Catholic health systems in the United States. It also operates a number of for-profit firms, in

Fiat currencies

Chicago Plan

The Chicago Plan was introduced by University of Chicago economists in 1933 as a comprehensive plan to reform the monetary and banking system of the United States. The Great Depression had been caused in part by excessive private bank lending, so the plan proposed to eliminate the private bank money creation method of fractional reserve lending. Centralized money creation would prevent b

Securities & exchanges

Joel Seligman

Joel Seligman (born January 11, 1950) is an American legal scholar and former academic administrator. He served as the 10th president of the University of Rochester, in Rochester, New York, from 2005 to 2018. Seligman is also one of the leading authorities on securities law in the United States. Seligman stepped down from his presidency in 2018 following his handling of a university-wide

Finance

Louisville Joint Stock Land Bank v. Radford

Louisville Joint Stock Land Bank v. Radford, 295 U.S. 555 (1935), was a decision by the Supreme Court of the United States that held that the Frazier–Lemke Farm Bankruptcy Act was an unconstitutional violation of the Fifth Amendment Takings Clause because it interfered with farmers' property rights in contracts they made with the United States. This unanimous decision was one of the Cour

Securities & exchanges

Private finance initiative

The private finance initiative (PFI) was a United Kingdom government procurement policy aimed at creating "public–private partnerships" (PPPs) where private firms are contracted to complete and manage public projects. Initially launched in 1992 by Prime Minister John Major, and expanded considerably by the Blair government, PFI is part of the wider programme of privatisation and macroeco