A lot of people still think quantum computing is something way off in the future, but honestly the pace of progress has been surprising. It’s moving faster than most of us expected.right now, bitcoin and most other cryptocurrencies are built on elliptic curve cryptography . The problem is, once a public key shows up on-chain, a powerful enough quantum computer could, at least in theory, reverse it and figure out the private key.
Now,i am not saying this happens tomorrow,but if bitcoin does not upgrade its cryptography in the next 3–5 years, the risk gets very real. Quantum hardware is improving step by step, and once it crosses a certain threshold, the current security model won’t hold up.
We’re talking about the world’s fifth largest asset here. If it doesn’t adapt, the idea that its security could collapse almost overnight and bitcoin price will go to zero.
I don't think that we will be in danger about quantum computing or hardware. But for sure, Bitcoin developers have been discussing the possibility in the future about quantum computing and could be developing a counter-measure. They are not ignorant of this issue.
And if you look at it the solution is very simple: replace the vulnerable cryptography with quantum-resistant algorithms.
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