Please be careful when you upload stuff you don't know about.....learn the definition of ponzi.
Here you Go https://www.sec.gov/fast-answers/answersponzihtm.html
Nobody is being paid by another contributor's/user's investment. This Coin has the exact same features as Dash......Private Send and Instant Send are two real world uses. Looks like a good buy imo, if you missed that boat. ChainCoin c11 algorithm was the idea for Dash x11 algorithm.