Tyler Cowen writes:
Now, theoretically, you might believe that the current price of Bitcoin already reflects exactly those marketing costs of potential competitors and thus the current equilibrium is stable or semi-stable. Maybe so, but I doubt that. The current value of outstanding Bitcoin is about $20 billion or so, and it doesn’t seem it cost nearly that much to launch the idea. And now that we know cryptocurrencies can in some way “work,” it seems marketing a competitor might be easier yet.
You can think of that $20 billion — or perhaps just some chunk of that? — as a very rough measure of the prize to be won if you can come up with a successful Bitcoin competitor. Even a fraction of that sum will spur some real effort.
In short, we are still in a situation where supply-side arbitrage has not worked its way through the value of Bitcoin. And that is one reason — among others — why I expect the value of Bitcoin to fall — a lot.
Read more here.