It was invented by Satoshi Nakamoto, but has since been released as open-source software, which means ongoing improvements can be made to the system when needed. Scammers target new Bitcoiners and less tech-savvy users. This is why most people just purchase gold online or from a broker. Wall of Coins Popular. You will have to check the legality of Bitcoin in your country. Most trades will go through fine but a search on Google shows people getting robbed or scammed at in-person trades. Right now, Bitcoin is one of the cheapest ways to do this.