I noticed that the price of Bitcoin change much like all altcoins.
But the price of other traditional currencies like the euro, for example, are stable and do not change much.
It is the government that control their prices?
I have see this especially this week bitcoin price is fluctuating to the extent that I cannot imagine what is happening. Just imagine price deep from $1,300 to 997 back to $1,110 and now $905 and it keeps on deeping.
Traditional currency don't take that kind fluctuations USD cannot fluctuate like that only crypto currencies which is at it infant stages can behave like that
Obviously, you shouldn't equal "traditional currency" with the US dollar
The US dollar is nowhere near being a traditional currency. And not so much because it is a de facto global currency as because of its nature as a "hard currency" of sorts (among which there are also the Swiss franc and the Euro, to a degree). Traditional currencies are as volatile as hell too unless their exchange rates are firmly bound to a hard currency (like, for example, the Saudi Arabian rial is pegged to the US dollar). But their volatility is more often than not severely skewed toward depreciation over time while Bitcoin, on the contrary, is set to appreciate in the long run