If technology was progressing to the point where it was feasible for a private key to be cracked, couldn't the devs just upgrade the encryption?
Firstly , you cannot 'crack' a single private key , you just need to find all the private keys in the entirety of Bitcoin.
Secondly , it's not possible that it will be cracked , by any force in our universe.
Okay, at first they said the speed of light in vacuum was the highest possible limit, but now it turns out that everything is not that simple. So how can we be that sure about it being impossible to crack?
If we could walk to the