RockItCoin offers the option to buy and sell large volumes of cryptocurrency in a safe and secure environment. At RockItCoin, you can use a credit card to buy Bitcoin on our site. We also support over-the-counter trades and allow you to sell your digital assets this same way. Consider our over-the-counter crypto trading desk when you have large amounts of Bitcoin to sell or buy! For more details visit https://rockitcoin.com/otc