Quantum computing means no password in the world will be safe. It will be able to brute force and crack passwords for almost anything. Bitcoin will be the least of your worries when someone breaks into government accounts and steals all the money in the world. Bitcoin is such a small piece of the world's money for now.
Stop spreading fear and anxiety. Quantum computers might not come in our lifetime.
"Earlier this year, a new 1 billion ($1.1 billion) project was announced by the European Commission aimed at bringing about a quantum revolution."I think 5-20 years top from now.
Technology move super fast right now.
From NOKIA 3310 into iphone (that can be use to snap hd pic, video, apps, bangking, internet, gaming, computer inside single small phone), all in just 5 years!