These keys can be used in Martian wallets to store funds and sign transactions. In order to interact with web applications, the Martian wallet extension offers Aptos Object into the JavaScript context of all sites that the user visits. In addition, Martian comes with lots of features such as creating NFT, getting balance records, resetting test coins, and many more. So if you are interested in starting trading with it, then set up a new wallet by installing the Martian Wallet Extension on your browser.