Do you even know what a ponzi scheme is?
Ponzi Scheme: "...Money from the new investors is used directly to repay or pay interest to earlier investors"
Bitcoin does not fit the definition of Ponzi scheme for numerous reasons:
- There are no paid dividends to anyone
- The purpose of using bitcoin isn’t to recruit new participants
- There’s no centralized body that funnels money up to the top
- Unlike Ponzi schemes, Bitcoin retains value and continues to function even if no new participants join the ecosystem
Bitcoin fails the litmus test for a Ponzi scheme in any number of ways. The boring reality is that it is just a value transfer network that grows more useful the more people join it (much like a telephone network grows more valuable the more people are reachable on it).
The ponzi aspect of it is that it's inherently worthless and people who bought in early are paid off by money (or even bitcoin) coming from later suckers.
A better analogy would be buying gold which produces no dividends.
An even better analogy would be pyrite.