量子计算威胁比特币，退休储蓄或受波及

Q-Day could destroy bitcoin – and our retirement savings Even if you’ve never bought any cryptocurrency, its vulnerability to quantum computers could affect your money, finds Karmela Padavic-Callaghan MY FIRST exposure to bitcoin was unglamorous. It was the early 2010s, and I heard about it through the chatter of students in my college maths classes. Bitcoin’s siren song rang loudly for some of my peers, but I was striving towards some romanticised idea of being an old-school theoretical physicist, and something like “mining for crypto” just didn’t seem to be a part of that. …