Remember, with how volatile the market is, there is no guarantee the price will drop to your limit price. It uses the Green Protocol algorithm and Proof of Stake for mining new coins, similar to Dash mining. Basically Coinbase will text you for each major change to your account including making purchases. Individuals are encouraged to research and make an informed decision before buying any crypto currency. There is a max supply of 21,, BITG that will ever be available, based on mining efforts through the Proof of Stake miners.