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Digital assets and currencies

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

Trading basics

Alibi marketing

Alibi marketing and alibi branding are marketing and branding strategies used by companies to circumvent restrictions on advertising certain classes of products by instead advertising an "alibi", which does not directly reference the restricted product but is likely to remind many viewers of the brand. The alibi may be a different product or simply a word or symbol reminiscent of the res

Trading basics

Opal card

Opal is a contactless smartcard fare collection system for public transport services in New South Wales, Australia. Operation of the Opal system is managed by Transport for NSW. First launched in late 2012, Opal is valid on Transport for NSW's metro, train, bus, ferry and light rail services that operate in Sydney, Central Coast, Hunter Region, Blue Mountains, Illawarra and Southern High

Trading basics

Roger Altman

Roger Charles Altman (born April 2, 1946) is an American investment banker, the founder and senior chairman of Evercore, and a former Democratic politician. He served as

Trading basics

SmarTrip

SmarTrip, alternatively spelled Smart Trip as part of an ongoing 2026 rebrand, is a contactless payment system for public transit in the Washington metropolitan area, managed by the Washington Metropolitan Area Transit Authority. SmarTrip is accepted on the Washington Metro, Metrobus, and local bus services in Northern Virginia.

Finance

Stanley Fischer

Stanley Fischer (Hebrew: סטנלי פישר; October 15, 1943 – May 31, 2025) was an American and Israeli economist who served as the 20th vice chair of the Federal Reserve from 2014 to 2017. Fischer previously served as the 8th governor of the Bank of Israel from 2005 to 2013. Born in Northern Rhodesia (now Zambia), he held dual citizenship in Israel and the United States. He previously served

Finance

Supply chain finance

Supply chain finance (SCF), also known as supplier finance or reverse factoring, comprises a suite of financial solutions that aim to manage working capital and liquidity for businesses within a supply chain. These arrangements are typically initiated by a buyer to allow their suppliers to access funding for their accounts receivable at interest rates based on the buyer's credit rating,

Finance

Tobin tax

A Tobin tax was originally defined as a tax on all spot conversions of one currency into another. It was suggested by James Tobin, an economist who won the Nobel Memorial Prize in Economic Sciences. Tobin's tax was originally intended to penalize short-term financial round-trip excursions into another currency. By the late 1990s, the term Tobin tax was being applied to all forms of shor

Fiat currencies

Wim Duisenberg

Willem Frederik "Wim" Duisenberg (Dutch: [ˈʋɪləɱ ˈfreːdərɪk ʋɪm ˈdœysə(m)bɛr(ə)x] ; 9 July 1935 – 31 July 2005) was a Dutch politician, economist and senior official who served as the first President of the European Central Bank from 1998 to 2003. A member of the Labour Party (PvdA), he previously was Minister of Finance from 1973 to 1977 and presided over De Nederlandsche Bank (DNB), th

Banking

Wolfsberg Group

The Wolfsberg Group is an association of 12 global banks which aims to develop frameworks and guidance for the management of financial crime risks.