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Digital assets and currencies

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

Assets

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

Banking

Coin wrapper

A coin wrapper, also known as a bank roll or simply a roll, is a paper or plastic container designed to hold a specific number of coins. During 19th century, newly minted coins were collected in cloth bags. Initially, coin wrapping was a manual process. Since the onset of the 20th century, coin wrapping machines have been in use. The earliest patent for a coin wrapping machine was in 190

Fiat currencies

Crawling peg

In macroeconomics, crawling peg is an exchange rate regime that allows currency depreciation or appreciation to happen gradually. It is usually seen as a part of a fixed exchange rate regime.

Fiat currencies

List of countries by exchange rate regime

This is a list of countries and territories by their exchange rate regime.

Fiat currencies

Non-deliverable forward

In finance, a non-deliverable forward (NDF) is an outright forward contract or futures contract in which counterparties settle the difference between the contracted NDF price or rate and the prevailing spot price or rate on an agreed notional amount. It is used in various markets such as foreign exchange and commodities. NDFs are also known as forward contracts for differences (FCD).