Digital assets and currencies
Understand assets, networks and trading mechanics with sources you can check.
Square is a point-of-sale system for sellers with physical or online stores. Launched in 2009 by Block, Inc. (formerly Square, Inc.), it enables merchants to accept card payments and manage business operations. As of 2024, Square is the U.S. market leader in point-of-sale systems, serving 4 million sellers and processing $228bn annually.