"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?
This post was around 4 years ago and no crypto currency has replaced bitcoin till now it means btc is gonna remain the first and the top Crypto currency for longer periods.
Indeed, this is the best indicator. Four years - quite a long time. And bitcoin showed that he took the leading position because he is the first entered the market and even after so much time it remained the leader.