Coinbase Global, Inc. is an American cryptocurrency exchange founded in 2012 by Brian Armstrong. Coinbase has over 100 million users and is the largest US-based crypto exchange as well as the world's biggest bitcoin custodian, as of 2024. The company operates in more than 100 countries and holds over $400 billion in assets, including more than 12 per cent of all bitcoin in existence. Coinbase provides products for retail and institutional cryptocurrency investors, businesses and software developers. It operates as a remote-first company with no physical headquarters. In May 2025, it was announced Coinbase would join the S&P 500 on May 19. Wikipedia