hyip means high yield investment programs and there are alots of hyips that is present on the internet and some people use them to get good rewards on whatever they invest but the fact is that some hyips are scams while some are real,the ones that are real are very few while the scammy ones are huge in numbers,check the link i shared and you will see the list of all the scam hyip websites that exists on the internet and so that you will be careful and will not invest with them..