Anyone thinking temporary taking down cryptocurrencies is the main priority is just as dumb as your average burn loot murder thug who lack any consequential thinking skills.
Won't be much of a "bonus" once the algorithm is changed and the network comes back online. By that time it's proven to be more secure than any other system, assuming they succeed in brute force it of course. Quantum computers has been a known threat for a long time in the cryptographic world and most cryptocurrency projects are prepared for the day that threat becomes reality.
definitely not the main priority - just a "bonus"
Won't be much of a "bonus" once the algorithm is changed and the network comes back online. By that time it's proven to be more secure than any other system, assuming they succeed in brute force it of course. Quantum computers has been a known threat for a long time in the cryptographic world and most cryptocurrency projects are prepared for the day that threat becomes reality.
... famous last words