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Buterin's alarm: bitcoin and ethereum at risk before 2029

Buterin Sounds Alarm | Bitcoin and Ethereum at Risk from Quantum Advances

By

Emma Robinson

Nov 20, 2025, 12:52 PM

Edited By

Raj Patel

Updated

Nov 21, 2025, 12:22 AM

2 minutes estimated to read

Vitalik Buterin speaking about the risks of Bitcoin and Ethereum at a conference, emphasizing the need for quantum-resistant cryptography.
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Vitalik Buterin, co-founder of Ethereum, raised concerns at the Devcon conference, claiming that both Bitcoin and Ethereum face severe vulnerabilities within the next four years due to advances in quantum computing. This caution comes amidst the Trump administration's preparations for the next election cycle, signaling serious risks for the cryptocurrency sector.

Urgent Calls for Action

Buterin, shifting from his earlier optimistic stance, now emphasizes the need for immediate countermeasures against hacks enabled by quantum technology. He notes that the encryption standard for most blockchains, mainly Elliptic Curve Cryptography (ECC), may soon become ineffective. "Urgent measures are needed to ensure our systems remain secure," Buterin stressed.

Current Developments in Cybersecurity

The conversation has gained traction on forums, with many people sharing insights:

  • Consensus on Quantum Upgrades: Participants highlighted that the National Institute of Standards and Technology (NIST) has validated numerous Post-Quantum Cryptography (PQC) algorithms to bolster security. One commenter noted, "NIST updated the threat level in August 2024, and now all legacy systems must upgrade ASAP."

  • Challenges for Blockchain: The challenge of upgrading decentralized networks was a recurring theme. Users pointed out that while central servers can adapt quickly, blockchains face massive hurdles due to the need for miner consensus to implement hard forks. As one participant remarked, "Distributed ledgers pose massive upgrade problems."

  • Mixed Sentiments on Quantum Threat: Many users exhibited skepticism about the actual threat posed by quantum computing. β€œThe threat is drastically overrated,” stated a participant, while another stressed optimism, asserting quantum-resistant options like QRL could become essential alternatives.

"This isn’t just a crypto issue; if quantum attacks happen, systems across the internet could collapse," echoed a concerned person in the community.

People’s Perspective

  • Some see the current state as a positive sign, voicing confidence that too many influential players in finance are committed to preventing a collapse in the crypto market.

  • Others believe that successful adaptations could push crypto ahead of traditional banking systems regarding quantum resilience.

Key Insights

  • πŸ”’ Buterin warns of a potential hacking crisis driven by quantum threats in four years.

  • πŸ’¬ "Urgent measures are needed to ensure our systems remain secure," emphasized Buterin.

  • 🚨 Community insights reflect a mix of skepticism and urgency; some feel quantum threats can be managed.

The Road Ahead

As discussions around quantum computing's potential impact grow louder, the real question is whether the crypto industry can react effectively. The coming years will be critical; both Bitcoin and Ethereum may need to implement quantum-resistant protocols swiftly or risk facing severe vulnerabilities.

A Significant Shift in the Crypto Scene

Looking to 2029, analyses suggest a major shift awaits as approximately 70% of crypto platforms could adopt new encryption methods to combat quantum threats. This urgency reflects a broader consensus that failing to adapt could not only compromise digital assets but unsettle traditional financial institutions as well.

Meanwhile, the future of blockchain innovations hinges on the development of successful quantum-resistant solutions. The pressure is rising as time ticks away and with the dynamics of Trump's presidency in play, long-term consequences loom large.