Bitcoins are one of many trendy cryptocurrencies sold on the internet today. Whether youre totally new to Bitcoins or youre just looking for the best BTC exchanges, were here to help you make the smart choice.Major Bitcoin exchanges face hacking attempts every day. Even leading exchanges have suffered leaks in the past. Its part of dealing with some of the most talented hackers in the world. Nevertheless, youll want a Bitcoin exchange with strong security and a limited history of leaks.buying Bitcoins is that you can do it with 100% privacy. However, the only real way to privately buy Bitcoins is with cash or a cash deposit. Not all exchanges support this. Its easy to find exchanges that accept bank transfers, credit card payments, debit card payments.