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Buterin's stark warning: bitcoin and ethereum's future at risk

Buterin's Stark Warning | Bitcoin & Ethereum's Existential Threat Looms

By

Carlos Pereira

Nov 20, 2025, 12:52 PM

Updated

Nov 21, 2025, 12:22 AM

2 minutes to read

Vitalik Buterin speaking with concern about the impact of quantum computing on Bitcoin and Ethereum security
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Vitalik Buterin, co-founder of Ethereum, has made a significant shift in his perspective on cryptocurrency security. Speaking at the recent Devcon conference, he claimed that Bitcoin and Ethereum could be vulnerable to hacking in the near future, particularly before President Trump’s current term ends.

Urgent Call for Change

Buterin highlighted quantum computing as a pressing threat, calling for immediate action to adopt quantum-resistant cryptography. Previously regarded as a long-term concern, quantum advancements now seem imminent, with potential risks impacting not just cryptocurrencies but also traditional financial systems.

"If these systems are compromised, we're looking at a situation that could lead to economic upheaval worse than the 1920s," Buterin warned.

Industry Reactions and Concerns

Responses from the community reveal mixed sentiments. Some realize the urgency, stating that many in cybersecurity are updating to post-quantum cryptography (PQC) standards due to NIST’s guidelines. One commenter noted, "Central servers are much easier to upgrade than a distributed network," pointing out the complexities faced by blockchain platforms like Bitcoin to implement similar updates.

Another echoed Buterin's fears by saying, "If quantum computers can break encryption, everyone's password would be compromised."

Interestingly, there’s a growing belief among some that cryptocurrencies like QRL are preparing for this issue more effectively than legacy systems. "QRL is a double-audited, quantum-resistant blockchain built according to NIST guidelines," emphasized a user, suggesting it could be a safer alternative.

The Push for Adaptive Solutions

Many believe that as quantum technology advances, the crypto sector must adapt quickly. One commenter highlighted the ongoing upgrade of government systems, stating, "This has been going on for a while and NIST updated the threat level in August 2024."

The debate also involves those who think the threat of quantum computing is overstated, with a user remarking, "The threat of quantum computing is drastically overrated."

Key Insights

  • 🌐 Quantum Resistance: Many argue legacy systems are lagging, while newer blockchain solutions may lead the charge in quantum security.

  • πŸ”‘ Security Urgency: As quantum technology develops, traditional banks might lag behind compared to adaptable blockchain networks.

  • πŸ’¬ β€œIf someone comes up with a stronger algo than Shor, then certainly…” a quantum expert shared, reflecting ongoing concerns regarding encryption methods.

Buterin’s warning is a reminder that the socio-economic stakes in the cryptocurrency world are high. Will the industry heed this warning and implement necessary measures before it's too late? With regulatory pressures likely to escalate, the urgency for rapid adaptation may never be more pronounced.