Industry WIKI
Digital assets and currencies
Understand assets, networks and trading mechanics with sources you can check.
Bitcoin
Bitcoin (abbreviation: BTC; sign: ₿) is the first decentralized cryptocurrency. Based on a free-market ideology, bitcoin was invented in 2008 when an unknown person published a white paper under the pseudonym of Satoshi Nakamoto. Use of bitcoin as a currency began in 2009, with the release of its open-source implementation. From 2021 to 2025, El Salvador adopted it as legal tender curren
Trading basicsEmail spam
Email spam, also referred to as junk email, spam mail, or simply spam, refers to unsolicited messages sent in bulk via email. The term originates from a Monty Python sketch, where the name of a canned meat product, "Spam", is used repetitively, mirroring the intrusive nature of unwanted emails. Since the early 1990s, spam has grown significantly, with estimates suggesting that by 2014, i
Securities & exchangesMicrocap stock fraud
Microcap stock fraud is a form of securities fraud involving stocks of "microcap" companies, generally defined in the United States as those with a market capitalization of under $250 million. Its prevalence has been estimated to run into the billions of dollars a year. Many microcap stocks are penny stocks, which the SEC defines as a security that trades at less than $5 per share, is no
Trading basicsSonicWall
SonicWall Inc. is an American cybersecurity company that sells a range of Internet appliances primarily directed at content control and network security. These include devices providing services for network firewalls, unified threat management (UTM), virtual private networks (VPNs), virtual firewalls, SD-WAN, cloud security and anti-spam for email. The company also markets information su