XT.COM is the world’s largest bitcoin exchange, with more than 24 million registered users and over $2 billion in transactions. The company was founded in July 2011 by CEO Charlie Shrem and CTO Amir Taaki. XT.COM offers a user-friendly platform for buying and selling bitcoins and provides a wide variety of services, including a digital wallet, merchant services, and a range of other features.

Website: https://www.xt.com/

Fees: https://www.xt.com/help/rate

Twitter: https://twitter.com/XTexchange