In my opinion , only people without brain.exe use those ponzi scheme website because ponzi's are based on your greed . they have an amount of money , they start their ponzi legit you deposit they give you with profit (you logically start with small amounts) then after a moment of depositing small amounts you will decide to go big and deposit more and it's then when the ponzi decide to close and move away with the huge amounts , usually they make more then one ponzi because it's for fast profit for them so they buy various hosts and domains and start a lot of them