Q-Day: When Will Quantum Computers Actually Break Bitcoin?

No one can say exactly when quantum computers will break Bitcoin (BTC), but two experts warn the industry is treating a trillion-dollar risk far too casually. The right question is not the date, but the odds and the cost.

Stefano Gogioso and Daniela Herrmann made the case during the latest BeInCrypto Experts Council. Both call themselves optimists, yet both argue that preparation cannot wait for proof.

Q-Day Could Break a Trillion-Dollar Industry

Readers ask constantly when "Q-Day" will arrive. That is the day a quantum computer can break Bitcoin's cryptography. Speaking on the BeInCrypto panel, Gogioso argued that fixating on a date misses the point.

"The question isn't 'will it be 2030?' It's what's the probability of a tail event by 2030, and how much would we lose. Even at 2%, the impact on Bitcoin and crypto, if we're not prepared, is essentially most of crypto going to zero. That's trillions of dollars. And even 1% of that is more than enough to pay every cryptographer in the world to spend six months fixing it."

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