Yes it is ponzi scheme but shhhhhhhh, don't shout it as no one will believe you like dotcoms bubble and bitconnect brash. 
Let bitcoiners pump it and live in their own dreams
Let bitcoiners pump it and live in their own dreams There are many mistakes for the country, many people think Bitcoin is a Ponzi scheme or MLM, in fact, is not the case. First of all, if you want to know bitcoin, you have to understand how it works, and it takes a long time to know specifically.