If expensive ugly paintings are not a Ponzi scheme, then cryptocurrencies are not a Ponzi scheme.
If expensive ugly paintings are not a Ponzi scheme, then cryptocurrencies are not a Ponzi scheme.
Even if all of those beliefs above were true, it still wouldn't be a Ponzi scheme. As someone else posted in here, Ponzi Scheme has a fairly specific definition which "Gold" doesn't meet.
Even if all of those beliefs above were true, it still wouldn't be a Ponzi scheme. As someone else posted in here, Ponzi Scheme has a fairly specific definition which "[Cryptocurrency]" doesn't meet.
[1] https://ethereum.stackexchange.com/questions/3/what-is-meant...
On the other hand, it is not likely you can deploy some magic oil machine in your closet with almost 0 investments and start producing $5c / barrel oil.
There's no way an economy can be defined by something of no practical value.