Hyip means “High Yield Investment Program”.
Hyip programs are generally run as Ponzi Schemes, which will scam you one they. Hyip sites are unsustainable because they offer high return upon investment. They pay older investors, with the money of the new investors. So, if a site is in hyip category, invest with caution and try to make a profit and cashout ASAP. By doing this, it will be better for you to make money online in HYIP programs.