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Digital assets and currencies

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

Banking

Bank vault

A bank vault is a secure room used by banks to store and protect valuables, cash, and important documents. Modern bank vaults are typically made of reinforced concrete and steel, with complex locking mechanisms and security systems. This article covers the design, construction, and security features of bank vaults.

Payments & settlement

Bills of credit

Bills of credit are documents similar to banknotes issued by a government that represent a government's indebtedness to the holder. They are typically designed to circulate as currency or currency substitutes. Bills of credit are mentioned in Article One, Section 10, Clause One (also known as the Contract Clause) of the United States Constitution, where their issuance by state governme

Banking

Christmas club

A Christmas club is a special-purpose savings account, first offered by various banks and credit unions in the United States beginning in the early 20th century, including the Great Depression. Bank customers would deposit a set amount of money each week into a savings account, and receive the money back at the end of the year for Christmas shopping.

Securities & exchanges

CME Group

CME Group Inc. (formerly Chicago Mercantile Exchange Holdings Inc.), headquartered in Chicago, Illinois, operates exchanges and provides clearing services for trading in financial derivatives such as futures contracts, options, and swaps. Its exchanges include the Chicago Mercantile Exchange (CME), the Chicago Board of Trade (CBOT), the New York Mercantile Exchange (NYMEX), and the Commo

Finance

Durbin amendment

The Durbin amendment, implemented by Regulation II, is a provision of United States federal law, 15 U.S.C. § 1693o-2, that requires the Federal Reserve to limit fees charged to retailers for debit card processing. It was passed as part of the Dodd–Frank financial reform legislation in 2010, as a last-minute addition by Dick Durbin, a senator from Illinois, after whom the amendment is nam

Finance

Investment outsourcing

Investment outsourcing is the process whereby institutional investors and high-net-worth families engage a third party to manage all or a portion of their investment portfolio. This arrangement can include functions such as establishing the asset allocation, selecting investment managers, implementing portfolio decisions (both strategic and tactical), providing on-going oversight, perfo

Securities & exchanges

Kalshi

Kalshi Inc. is a prediction market platform based in Manhattan, New York City, that launched in July 2021. The platform is used primarily for sports betting, which constitutes more than 90% of site activity and 89% of revenue in 2025. Analysts describe activity on the platform as "heavily tied to the sports calendar". Individuals can place bets on other future outcomes, including economi

Finance

Landmark Credit Union

Landmark Credit Union is an American credit union providing banking services in Wisconsin and Northern Illinois . It operates as a cooperative and is owned by its members. Landmark provides banking services including, savings accounts, checking accounts, mortgages and investments.

Finance

MSCI KLD 400 Social Index

The MSCI KLD 400 Social Index was launched in 1990 and is designed to help socially conscious investors weigh social and environmental factors in their investment choices.

Securities & exchanges

OneChicago

OneChicago was a US-based all-electronic futures exchange with headquarters in Chicago, Illinois. The exchange offered approximately 12,509 single-stock futures (SSF) products with names such as IBM, Apple and Google. All trading was cleared through Options Clearing Corporation (OCC). The OneChicago exchange closed in September 2020.

Trading basics

Topstep

Topstep is a trader education and fintech enterprise, headquartered in Chicago, Illinois, active in more than 170 countries worldwide and founded by Michael Patak. It specializes in evaluating the performance of day traders through real-time simulated trading accounts. Originally founded as TopstepTrader, the company rebranded as Topstep in 2020 and was the first company to run a large

Finance

United States House Committee on Financial Services

The United States House Committee on Financial Services, also referred to as the House Banking Committee and previously known as the Committee on Banking and Currency, is the committee of the United States House of Representatives that oversees the entire financial services industry, including the securities, insurance, banking and housing industries. The Financial Services Committee als