Arkham Exchange, the cryptocurrency trading platform launched by data analytics firm Arkham Intelligence, is set to close, according to a person familiar with the matter.

Arkham, whose investors include OpenAI CEO Sam Altman, did not respond to requests for comment regarding the reported shutdown, News.Az reports, citing CoinDesk.

Founded in 2020, the company has grown to more than 3 million registered users. In October 2024, it outlined plans to expand into crypto derivatives trading, aiming to compete with major exchanges such as Binance for retail market share.

By early 2025, Arkham Exchange had rolled out spot cryptocurrency trading across several U.S. states. However, trading…