the difference is very simple actually:
nothing about bitcoin's supply has changed so far. but the demand for bitcoin has increased substantially. this is clearly noticeable by the increase in volume, how packed the orderbooks are and the fact that awareness about bitcoin has grown a lot. not to mention all the increase in merchant adoption.
this simply means a big real rise not a fake bubble.
also, rises like this are not at all strange or unheard of. there are a lot of things in the world, specially stocks market, that had the same rises. big and fast. it doesn't have to be a "tulip bubble" just because it went up fast!
I only somewhat agree with you.
It is true that bitcoin's supply has stayed relatively the same, and the supply can't be brought up just by someone printing more bitcoins because that's just not possible. It is also true that the rise of bitcoin is probably a lot less crazy than the rise of tulips back when the bubble happened, but bitcoin is still a bubble.
Every bubble is going to crash, sooner or later. It's just that the magnitude of the bubble isn't as great as the tulip mania.
Why do you think bitcoin is a bubble?
Where are the signs it is a bubble? If you're talking long term the idea of it being in a bubble now is laughable when there are only on the order of 10 million people with bitcoin. About 1 out of every 1000 people on earth have some bitcoin. In a few years that'll be more like 1 out of 10. And some years after that maybe 1 our of 5. When the price of bitcoin is 100x more than it is now then MAYBE we can talk about it being in a bubble. until then its just absurd.
You realise that at the end of 2013 there were fewer people who owned Bitcoin than now. The price was about 25% of what it is now.
Guess what, it was in a massive bubble! That bubble popped and the price fell fairly consistently for 18 months or so.
That doesn't mean that the price will never rise again, but we could be sat with the price at $1000 in 2 months time, looking at this massive popped bubble and wishing we had sold at the top.
Or the price could be higher, who knows, you can't see a bubble until it pops, but your arguement against it is meaningless. 1 month ago the price was $2500. That is an increase of $60 a day on average. That is a massive rise.
Obviously there a lot more bitcoin users now than in 2013.
My argument is not meaningless, because I don't care about short term. Sure we could be in a short term bubble. We just were in one in June and then it crashed and now we're 50% higher than the peak of that bubble not even 3 months later.
You need to understand one thing: SHORT TERM BOOM/BUST CYCLES DON'T MATTER
Only people who want to get out of bitcoin soon care about short term bubbles.
And comparing bitcoin to tulips means trying to say bitcoins are worthless and it is a long term bubble that will crash down to nothing, which is just 100% against all the evidence!
Now if you want to talk about whether the price right now is in a bubble compared to what it'll be in a month that is up to you. I could care less about that because shortly after that the price will back back up to new highs, those price movements are just tiny bumps on the overall exponential increase in bitcoin value.
Bitcoin has bull runs and bear runs. Those things happening doesn't mean it is in some bubble that when popped will make it worthless like tulips, which is what people mean when they compare it to tulips.