"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?
If ever that bitcoin was replaced by something better, I dont think that they will be much better than bitcoin. In fact, bitcoin gives opportunities and benefits to us that no one can give. There will be a lot of improvement in the next three years. They cant reach the number of user in bitcoin and it is one of its advantage