https://www.occrp.org/en/daily/12109-us-indicts-co-founder-of-onecoin-ponzi-scheme
More on crypto currency.
https://decrypt.co/26080/plus-token-ponzi-scheme-china?amp=1
Every Ponzi scam rip off always appeals to a major human weakness....greed...high % returns with no work involved.
Some people will fall for anything once that greed factor kicks in.