A Looming Threat to Bitcoin: The Risk of a Quantum Hack – WSJ

This article was immediately removed from the bitcoin subreddit by the mods there, but the fact is that quantum computers undermine the digital gold narrative in a pretty fundamental way. If the security of these networks is going to depend on a continual race to evolve the tech, if it is not enough to fire and forget, as is the bitcoin ethos, then the blockchain that is most focused on continuously evolving perhaps will become the leader.