Launched on 10 Oct 2018, 99Ex describes itself as a multi-language digital asset trading platform. It claims to have OKEx as an investor. The core team reportedly comes from finance and investment. 99Ex is derived from the open exchange of OKEx. It claims to rely on OKEx's multi-year match-making system, counter system, hot and cold wallet system, fund clearing system, global multi-language customer service capability, customer identification, and anti-money laundering systems.