We may receive compensation when you use CEX. If you are considering using your credit card to acquire Bitcoins, you can follow the steps below:. Buy Bitcoin Worldwide does not promote, facilitate or engage in futures, options contracts or any other form of derivatives trading. Coinmama Popular. They have been in business since and are based in London, UK. Bitcoin Blockchain is decentralized and the interactions are managed on the peer-to-peer level or individual basis in regards to mining. However, this is another option that you should keep when you need to buy Bitcoins immediately.