Open long (high) or short (low) position depending on how you think the selected coin will perform.
Your trading history is saved in the browser storage, so even if you leave the page your current position and trading statistics will be reloaded on next visits. More than 1000 cryptocurrencies are available to play with.
Before making real investments in the crypto market see if you can make profit. You have $1000 to learn Trading with for free.