OKX is a centralized exchange and wallet platform based in Seychelles that offers a range of products, including spot and options trading, futures, perpetual swaps, options, trading bots, block trading, and more. The platform also includes a wallet that acts as a portal to Web3 and supports various networks and blockchains, as well as its native blockchain and token, OKB. OKX was formerly known as OKEx and was rebranded in January 2022. It was founded by Star Xu and is now led by CEO Jay Hao. 

The exchange is supported in over 200 countries but is not available to residents of the United States. It lists over 350 cryptocurrencies and supports over 500 trading pairs, including major tokens like BTC, ETH, and XRP. Trading fees on OKX are based on a market taker and maker model and start at 0.10%. The platform also offers margin trading with leverage of up to 10X, as well as futures trading and perpetual swaps with up to 125X leverage. Crypto options are also available for leverage.