{"id":69317,"date":"2025-05-27T02:06:44","date_gmt":"2025-05-27T02:06:44","guid":{"rendered":"https:\/\/mycryptomania.com\/?p=69317"},"modified":"2025-05-27T02:06:44","modified_gmt":"2025-05-27T02:06:44","slug":"quantum-computers-just-got-closer-to-cracking-bitcoin","status":"publish","type":"post","link":"https:\/\/mycryptomania.com\/?p=69317","title":{"rendered":"Quantum Computers Just Got Closer to Cracking Bitcoin"},"content":{"rendered":"

Quantum computing has been one of those futuristic ideas people love to talk about but often <\/span>file<\/span> under \u201cwe\u2019ll deal with that later.\u201d Well, \u201clater\u201d might be showing up a little sooner than expected. The idea that quantum computing Bitcoin attacks could happen in the next decade is making some in crypto rethink security. A recent breakthrough from Google\u2019s Quantum AI team is raising new concerns about Bitcoin\u2019s long-term security, and it\u2019s starting to feel a little more real.<\/span><\/p>\n

What Google Found<\/span><\/h2>\n

Right now, quantum computing Bitcoin threats are mostly theoretical, but experts say it\u2019s time to start preparing. However, researchers at Google have been studying how quantum computers might eventually break modern encryption. Their latest findings? It might not take nearly as many quantum resources as we thought. They\u2019ve found a way to break <\/span>RSA-2048<\/span><\/a> encryption using 20 times fewer quantum bits (qubits) than previous models required.<\/span><\/p>\n

Google’s quantum team found that breaking RSA encryption\u2014used in Bitcoin wallets and banking\u2014may require 20 times fewer qubits than previously thought. Researcher Craig Gidney said a 2048-bit RSA key could now be cracked in under a week using fewer than 1 million noisy qubits,\u2026<\/p>\n

\u2014 Wu Blockchain (@WuBlockchain) May 27, 2025<\/a><\/p>\n\n

Now, Bitcoin doesn\u2019t use RSA encryption, but it does rely on elliptic curve cryptography, which, like RSA, could one day be vulnerable to quantum attacks. If a strong enough quantum computer runs the right algorithm, like Shor\u2019s algorithm, it could theoretically uncover a Bitcoin user\u2019s private key just from the public information tied to a wallet.<\/span><\/p>\n

Why This Matters for Bitcoin<\/span><\/h2>\n

Here\u2019s the issue in plain terms: if someone can figure out your private key, they can move your coins. You don\u2019t need to hand it over. They can just take it. That\u2019s why people are suddenly talking about something called \u201cQ-Day,\u201d the moment quantum computers are strong enough to break the encryption protecting our digital assets.<\/span><\/p>\n

Estimates for when Q-Day might arrive vary, but many experts say we\u2019re probably within a 5 to <\/span>10-year<\/span> window. That\u2019s not tomorrow, but it\u2019s definitely not \u201clater\u201d anymore.<\/span><\/p>\n

This follows <\/span>a warning by BlackRock<\/span><\/a>, claiming that if quantum computers get powerful enough, they could break Bitcoin\u2019s security and put people\u2019s funds at risk.<\/span><\/p>\n

BlackRock Warns: Quantum Tech Could Threaten Bitcoin Security<\/p>\n

BlackRock just updated its Bitcoin ETF filing with a new clause highlighting a major risk: Quantum computers may one day crack the cryptography securing Bitcoin and much of our digital world. pic.twitter.com\/asgz8iXSOX<\/a><\/p>\n

\u2014 Crypto Hub (@Cryptonichub) May 26, 2025<\/a><\/p>\n\n

Such a scenario could make current encryption useless, allowing quantum-powered attacks to expose and drain Bitcoin wallets.<\/span><\/p>\n

DISCOVER: Top 20 Crypto to Buy in May 2025<\/a><\/strong><\/p>\n

Are We in Danger Right Now?<\/span><\/h2>\n

Not yet. The kind of quantum computers needed to pull this off still don\u2019t exist, at least not at a scale that poses a direct threat. But Google\u2019s research shows that we might be closer than expected, which means the crypto world can\u2019t afford to ignore it.<\/span><\/p>\n

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