Possible? More unlikely things have happened.
No, because 7 digits means that bitcoin has taken over as THE payment system used worldwide. Western Union, Paypal, Visa? All thrown away in the dustbin of history because of bitcoin.
That MIGHT happen in 25 years+, but not this year.
Time speeds up with an acceleration (measured by the frequency of innovations, see Terence McKenna's time wave theory). You might want to take the square root from 25. You would end up with just 5 years.