Kraken

Founded in 2011 by Jesse Powell, Kraken is one of the world's oldest and most established cryptocurrency exchanges. The company's mission is to accelerate the adoption of cryptocurrency to promote financial freedom and inclusion. It provides a comprehensive and secure trading platform for both individuals and institutions, offering a wide selection of digital assets and fiat currency pairs, as well as services including staking, margin trading, futures, and over-the-counter (OTC) trading.