Earlier quoted context omitted.
> If $SPY dropped 40% we'd all call it a crash. This isn't that different If $SPY was 40% up since last month, would that be normal? ETH is still currently higher than its value from April 19th. Cryptocurrency market is extremely volatile. This isn't that far from normal.
> Cryptocurrency market is extremely volatile. This isn't that far from normal. If that's true then cryptocurrency is pretty much worthless to use as currency. A desired property of currency is to not have wild fluctuations in value on a weekly or monthly bases.
It's an investment. Detractors cite electricity usage, but overall it uses much less electricity than the traditional banking system. Also, the value of the second type of currency is only the value that people believe it has in their transactions, which is no different than the US Dollar. Since we went off the gold standard, the US dollar only has the value we believe it has. Part of that belief is that the US Dollar is rightly a bit more stable because it is artificially manipulated by the FED to control inflation.