"Soon" would be in the next 1-3 years or so.
One of the biggest dangers for BTC is something more useful coming along and investors switching - a process which could happen extremely fast, once started.
So to all the tech savy people in here - what advantages could other cryptocurrencies bring that will give them a crucial edge over BTC, and how fast could something like that come along?
I guess there will come a time that bitcoins will eventually be replaced by something better. My guess? 6 years from now. There will definitely something better in-store for us in the cryptocurrency investment scene and that will probably be the one to replace bitcoins.