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Google claims 20x reduction in quantum hacking bitcoin

Google Claims Major Leap in Quantum Computing | Bitcoin's Encryption at Stake

By

Marie Dubois

Apr 1, 2026, 06:21 AM

Edited By

Anna Schmidt

Updated

Apr 1, 2026, 02:22 PM

2 minutes estimated to read

Illustration showing a quantum computer working to break Bitcoin's encryption, highlighting security concerns with cryptocurrency.
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Google's recent announcement hints at a significant breakthrough in quantum computing, claiming they have reduced the resources needed to break Bitcoin's encryption by 20 times. This revelation has ignited conversations across forums, with varying responses from the crypto community.

Implications of Google's Claim

The company asserts that the required 500,000 physical qubits to break elliptic curve cryptography is now significantly lower than the estimated 10 million qubits previously thought necessary. This assertion raises alarms about Bitcoin's security and has sent shockwaves through the cryptocurrency community.

"Your time to get in and have your coins stolen is fast running out," warned a commenter, expressing concern about the potential risks connected to this advancement.

Three Main Themes From User Discussions

  1. Qubits and Their Role

    Thereโ€™s a divide on the topic of qubits. Some users highlighted the complexity, noting the relationship between physical and logical qubits. "The ratio in the paper is 417:1, or 1200 logical qubits," explained a knowledgeable commenter, showcasing the necessary power to achieve the purported quantum capabilities.

  2. Encryption Vulnerabilities

    Many users are focused on how the quantum threat applies to public key cryptography, raising alarms about its vulnerability. One user stated, "New quantum-safe algorithms do exist but getting them into cryptographic products will take years."

  3. Optimism and Adaptation

    Despite fears, some believe that this could be an opportunity for Bitcoin. "This is good for Bitcoin," noted another forum participant, suggesting that discussions about its vulnerabilities could lead to enhanced security measures.

"The encryption is not only present in cryptocurrency," pointed out another voice in the debate, emphasizing that the general risks stretch beyond the crypto space.

The Mixed Reactions Continue

The responses reveal a blend of anxiety and practicality. While panic-selling occurs among some people, others are considering the strategic moves they can make. "If I could crack Bitcoin, Iโ€™d watch everything burn," quipped a user, highlighting the dark humor surfacing amid serious discussions.

Noteworthy Observations

  • โ–ณ Google's claim indicates that just 500,000 qubits could jeopardize Bitcoin's security.

  • โ–ฝ Current quantum computers are limited to about 1,000 qubits.

  • โ€ป "Scaling qubits has not proved at all easy so far" - a skeptical voice from the community.

The dialogue is set to continue as the quantum landscape evolves. Experts predict a growing focus on developing quantum-resistant technology in the coming years. Regulatory bodies may push for standards that ensure long-term security for cryptocurrencies. The response seen on forums highlights the urgency of the moment; while some people may panic, strategic investors are likely gearing up for future challenges.

Final Thoughts

As the lines between crypto security and evolving technology blur, the community must remain vigilant. Could the threat of quantum computing bring forth innovative solutions? Only time will tell.