Is the headline "Google Quantum Computer Cracks BTC Private Key in 9 Minutes" just panic-mongering? Don’t fall for the hype! Today, I’ll break it down in plain language: these claims are impossible and just fear-mongering!

Rumor 1: "Current quantum computers can crack Bitcoin private keys in 9 minutes."
Truth: Absolutely impossible!
The 9-minute figure from Google's paper refers to a *theoretical* estimate for a "future, ideal, fault-tolerant quantum computer," not the machines we have today!
The world's most powerful quantum computer currently has just over 100 physical qubits. The paper requires 500,000 physical qubits—thousands of times more!

Rumor 2: "Bitcoin will soon be attacked by quantum computers and all coins will become insecure."
Truth: Not at all!
Quantum computers can only attack addresses where the public key has already been exposed in a transaction. Bitcoin uses one-time addresses—each transaction generates a new address, and the public key is only revealed when spending. There aren’t many targets to attack!
Even if future quantum computers are built, the Bitcoin community has plans: upgrade to post-quantum cryptography algorithms. It’s like changing the lock to a quantum-proof one—completely secure!

Rumor 3: "Once quantum computers arrive, all cryptocurrencies will go to zero—run now!"
Truth: Pure panic selling!
Quantum threats target *traditional elliptic curve encryption*, not the blockchain itself!
There are already mature post-quantum encryption algorithms (NIST has selected standards), and all major blockchains (BTC, ETH, etc.) are working on post-quantum upgrades. They’re not caught unprepared!
The ones that will be left behind are small coins that don’t upgrade or ignore security, not mainstream coins like Bitcoin maintained by a global developer community!
Current quantum computers pose no real threat to Bitcoin—they’re long-term theoretical risks, not immediate issues!
Don’t be scared by headlines like "Quantum Cracks BTC in Seconds." These are just media hype for traffic, similar to the "End of the World in 2012" scare!