Coinbase is a digital currency exchange headquartered in San Francisco, California, United States. They broker exchanges of Bitcoin, Bitcoin Cash, Ethereum, Ethereum Classic, Litecoin, Tezos, and many other cryptocurrencies, with fiat currencies in approximately 32 countries, and bitcoin transactions and storage in 190 countries worldwide.
Coinbase was founded in 2012 by Brian Armstrong and Fred Ehrsam. It is currently the largest cryptocurrency exchange in the United States by trading volume. The company is named after coinbase transactions, which are special transactions that introduce cryptocurrency into circulation in proof of work cryptocurrencies.
Coinbase has two core products: a Global Digital Asset Exchange (GDAX) for trading a variety of digital assets on its professional asset trading platform, and a user-facing retail broker of Bitcoin, Bitcoin Cash, Ether, Ethereum Classic, and Litecoin for fiat currency. It also offers an API for developers and merchants to build applications and accept payments in both digital currencies. As of 2018, the company offered buy/sell trading functionality in 32 countries, while the cryptocurrency wallet was available in 190 countries worldwide. On March 26, 2018, Coinbase announced their intention to add support for ERC-20 tokens.