English Reference
Noun

cryptocurrency

n. C / U
B2 Upper Intermediate US /ˈkrɪptoʊˌkɜrənsi/

n.a digital form of money that uses computer code to keep transactions secure. It does not exist as physical coins or paper bills.

n.a digital or virtual medium of exchange that uses cryptography for secure financial transactions and to control the creation of additional units.


SIMPLE

Many people invest in cryptocurrency today.

CONTEXTUAL

The company now accepts cryptocurrency as a valid payment method for all online orders.

COMPLEX

While proponents argue that cryptocurrency offers a decentralised alternative to traditional banking, critics point to its extreme price volatility and potential for illicit use.

Founded in 2013, Robinhood Markets offers a mobile app and web-based platform, allowing users to trade stocks, options and cryptocurrencies, as well as access banking and credit card services.

Phys.org· 13 Aug 2026

The company posted $1.7m in revenue, which it said was up 89% from the same period a year before, but suffered an overall loss due to the drop in cryptocurrencies.

BBC News· 11 Aug 2026

From Greek kryptós ("hidden"), via cryptography, plus currency: money secured by hidden mathematical keys rather than by a central authority.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry
Level B2 · Upper Intermediate
Updated