1. HYIP
    • A high-yield investment program (HYIP) is a type program which promising very high return on investment but is very high risk. It operates as a ponzi scheme or other form of fraud, by not paying back with no response after some time, or suddenly disappearing with all the investor's funds.
  2. Cloud Mining Contracts
    • There is a high amount of fraud in this sector. Read this article for a more in-depth look at the topic.
  3. Faucets
    • Common sense, there's no way to make free BTC.