In a sense, Bitcoin transactions are more transparent and traceable than cash, but Bitcoin can be used anonymously. That is an important distinction. International. It's possible to buy bitcoins with cash on LocalBitcoins via cash trade in-person or with cash deposit. A quick step-by-step guide on how to buy bitcoins with cash. Don't trust online transactions? You can always purchase BTC from vendors willing to meet in person. Click here to find a seller near you.