XPayIndustry WIKIBack to home
XPAY KNOWLEDGE

Industry WIKI

Digital assets and currencies

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

Finance

20,000 Colombian peso note

The 20,000 Colombian peso note ($20,000) is one of the notes in circulation in Colombia. It is about 143 × 66 millimeters and the predominant color is orange. The front features former Colombian president Alfonso López Michelsen and a sugar apple, while the reverse shows a sombrero vueltiao and the canals of La Mojana. The first series of 20,000 peso notes was issued from 1996 to 2016. T

Trading basics

2016 Indian banknote demonetisation

On 8 November 2016, the Government of India announced the demonetisation of all ₹500 and ₹1,000 banknotes of the Mahatma Gandhi Series. It also announced the issuance of new ₹500 and ₹2000 banknotes in exchange for the demonetised banknotes. Prime Minister, Narendra Modi said that this decision would curtail the shadow economy, increase cashless transactions and reduce the use of illicit

Trading basics

Bahamian dollar

The dollar (sign: $; code: BSD) has been the currency of The Bahamas since 1966. It is normally abbreviated with the dollar sign $, or alternatively B$ to distinguish it from other dollar-denominated currencies. It is divided into 100 cents.

Banking

Banking in Australia

Banking in Australia is a central component of the country's financial system and one of the most concentrated banking sectors in the world. As of 2025 the sector contributes 7.5% of GDP and employs 450,000 people.

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

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

Fiat currencies

Early American currency

Early American currency went through several stages of development during the colonial and post-Revolutionary history of the United States. John Hull was authorized by the Massachusetts legislature to make the earliest coinage of the colony (the willow, the oak, and the pine tree shilling) in 1652.

Trading basics

Federal funds

In the United States, federal funds are overnight borrowings between banks and other entities to maintain their bank reserves at the Federal Reserve. Banks keep reserves at Federal Reserve Banks to meet their reserve requirements and to clear financial transactions. Transactions in the federal funds market enable depository institutions with reserve balances in excess of reserve requirem

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

Independent Treasury

The Independent Treasury was the system for managing the money supply of the United States federal government through the U.S. Treasury and its sub-treasuries, independently of the national banking and financial systems. It was created on August 6, 1846, by the 29th Congress, with the enactment of the Independent Treasury Act of 1846 (ch. 90, 9 Stat. 59). It was expanded with the creatio

Fiat currencies

Legal tender

Legal tender is a form of money that the law recognises as valid for the discharge of a monetary debt in a jurisdiction. What constitutes legal tender varies between jurisdictions.

Fiat currencies

Money burning

Money burning or burning money is the purposeful act of destroying money. In the prototypical example, banknotes are destroyed by setting them on fire. Burning money decreases the wealth of the owner without directly enriching any particular party. It also reduces the money supply and (very slightly) slows down the inflation rate.

Payments & settlement

National Automated Clearing House

National Automated Clearing House, introduced by National Payments Corporation of India, is a centralised clearing service that aims at providing interbank high volume, low value transactions that are repetitive and periodic in nature. Offering credit and debit service to corporates, banks, and financial institutions, the service, aimed at integrating all regional ECS into one National

Payments & settlement

Negotiable instrument

A negotiable instrument is a document guaranteeing the payment of a specific amount of money, either on demand, or at a set time, whose payer is usually named on the document. More specifically, it is a document contemplated by or consisting of a contract, which promises the payment of money without condition, which may be paid either on demand or at a future date. The term has different

Banking

Overnight rate

The overnight rate is generally the interest rate that large banks use to borrow and lend from one another in the overnight market. In some countries (the United States, for example), the overnight rate may be the rate targeted by the central bank to influence monetary policy. In most countries, the central bank is also a participant on the overnight lending market, and will lend or borr

Payments & settlement

Payment and settlement systems in India

Payment and settlement systems are used for financial transactions in India. Covered by the Payment and Settlement Systems Act of 2007 (PSS Act), legislated in December 2007, they are regulated by the Reserve Bank of India (RBI) and the Board for Regulation and Supervision of Payment and Settlement Systems.

Payments & settlement

Paytm Payments Bank

Paytm Payments Bank (PPBL) was an Indian payments bank, founded in 2017 and headquartered in Noida. In the same year, it received the license to run a payments bank from the Reserve Bank of India and was launched in November 2017. In 2021, the bank received a scheduled bank status from the RBI.

Finance

Structured Financial Messaging System

Structured Financial Messaging System (SFMS) is a secure messaging standard developed to serve as a platform for intra-bank and inter-bank applications. It is an Indian standard similar to SWIFT which is the international messaging system used for financial messaging globally.

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.