[MichaelDickens]

> But I think the 0 scenario will only happen if a massive exploitable flaw is found, or, if a clearly better replacement/successor (most likely another digital/crypto-currency) to Bitcoin comes along

What about something like this:

* A sufficiently large group of people decide for whatever reason to sell their Bitcoin.

* Prices drop.

* In response, tons of people start selling their Bitcoin.

* Positive feedback loop. Bitcoin loses almost all its value.

Since Bitcoin has no fundamental value, there's nothing to stop its price from plummeting. I think the above scenario is fairly probable.

[orthecreedence]

This happens in the stock market all the time. Generally what happens is buyers start challenging the sellers once the price drops enough.

I'm not saying a crash is impossible, but it's going to take a lot more than a lot of people selling to bring the perceived value down to 0. I think something like an exploitable flaw is a much more likely reason.