Microsoft’s next-generation chip reliability is improved by 1,000 times, as Bitcoin faces quantum computing security challenges

On June 3, Microsoft unveiled its next-generation topological quantum chip, Majorana 2, at the annual Build developer conference. Its reliability is improved by 1,000 times over the previous generation. The chip’s average qubit lifetime is 20 seconds, and some can even last for one minute.

The chip switches to lead-based topological superconductors and uses AI technology to accelerate materials R&D, optimize manufacturing, and detect defects, helping drive the deployment of scalable quantum computing. Microsoft expects to achieve this goal in 2029.

At the time of this quantum computing technology chip release, industry concerns about “Q-Day” are continuing to intensify: whether quantum computers are already powerful enough to crack existing public-key cryptography systems, forge Bitcoin digital signatures, and steal assets.

Market statistics indicate that approximately $461 billion worth of Bitcoin is currently at risk of quantum threats due to exposed public keys, and institutions such as Google are also advancing research into post-quantum technologies.

According to predictions from Google and other researchers, “Q-Day” may arrive around 2032, which also means that Bitcoin and the encryption security of existing networks are facing severe quantum threat challenges.

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