> a ponzi scheme requires that $ from ealier investors is paid out to later ones. (the other way around) A BTC is worth nothing unless you can sell it for som

> a ponzi scheme requires that $ from ealier investors is paid out to later ones. (the other way around) A BTC is worth nothing unless you can sell it for something (such as USD). It is the later "investors" who buy BTC for sky high prices that allow earlier "investors" and miners to cash out.