However, the credit card can increase the credit line if the exchange is considered as a purchase to enable you to spend more on Bitcoin exchange. It attracts many users with its sleek interface and upholds their security. Each bitcoin is divisible to the 8th decimal place, meaning each bitcoin can be split into ,, pieces. Which card would you like to compare? Though buying bitcoins with a credit card can be a smart move, think carefully before diving into the cryptocurrency craze. After your account is verified and a purchase is made you will receive your bitcoin within a few minutes. CoinMama does not involve any deposit or withdrawal fee but involves a regular fee charged by the bank.