If you want to recognize a scam then you should be ready for spending a little bit more time than you used to be because it needs research so you will be able to find out some information that you can use to help yourself in making a decision for judging an investment and you should be aware of the basic types of scam and one of them is ponzi scheme which is one of the latest used strategy of an investment called bitconnect that stole a lot of people's money.