Quantum Computers Pose 20% Threat to Crypto Security by 2030, Warns Vitalik Buterin

Thursday, Aug 28, 2025 3:31 pm ET2min read

Ethereum co-founder Vitalik Buterin has warned that there is a 20% chance quantum computers could break modern cryptography before 2030, citing the potential threat posed by IBM's quantum computing plan. Quantum computers use quantum bits (qubits) to represent combinations of ones and zeros, allowing for large-scale compute power. The fear is that when quantum computing arrives, it could disrupt the cryptocurrency infrastructure, particularly if encryption is broken.

Ethereum co-founder Vitalik Buterin has warned that there is a 20% chance quantum computers could break modern cryptography before 2030, citing the potential threat posed by IBM's quantum computing plan. Quantum computers use quantum bits (qubits) to represent combinations of ones and zeros, allowing for large-scale compute power. The fear is that when quantum computing arrives, it could disrupt the cryptocurrency infrastructure, particularly if encryption is broken.

Buterin's warning comes at a time when the global cryptocurrency market is experiencing rapid growth and technological advancements. The threat of quantum computers could potentially undermine the security of digital assets, smart contracts, and even national security systems. The risk goes beyond just stolen funds; the real issue is trust. If users lose faith in the cryptography that secures their assets, the entire financial infrastructure could be shaken.

The looming threat of quantum computers has led to a surge in interest in post-quantum cryptography (PQC). The PQC market offers significant opportunities driven by the quantum threat to classical encryption, necessitating quantum-resistant solutions in sectors like finance and healthcare. According to a recent report, the world revenue for the PQC market is forecast to surpass US$480.1 million in 2025, with strong revenue growth predicted through to 2035 [1].

However, the implementation of quantum-resistant algorithms into existing IT infrastructures is a significant challenge. Many enterprises and government agencies rely on deeply embedded cryptographic systems within legacy applications, hardware, and protocols. Replacing or updating these systems to accommodate PQC often involves significant codebase modifications, performance testing, and risk assessments. Moreover, post-quantum algorithms typically demand larger key sizes and more computational resources, which can strain systems not originally designed for such requirements [1].

The impact of U.S. trade tariffs on the global PQC market is also a factor to consider. The imposition of U.S. tariffs on imported technology components and cybersecurity products has introduced a new layer of complexity to the market. These tariffs have led to increased production costs and disrupted procurement processes for post-quantum cryptography solution providers, particularly those relying on hardware components or cryptographic modules manufactured overseas [1].

Despite these challenges, the push toward self-reliance and regional diversification in quantum-safe cybersecurity infrastructure is accelerating. The market is expected to grow significantly, with forecasts revealing commercial prospects and lucrative investment opportunities. The report provides detailed forecasts for the PQC market in various regions and countries, as well as profiles of leading companies involved in the market [1].

In conclusion, Vitalik Buterin's warning about the potential threat posed by quantum computers to modern cryptography underscores the urgency for the industry to invest in post-quantum solutions. The PQC market is poised for significant growth, driven by the need for quantum-resistant cryptographic standards. However, the implementation of these solutions presents considerable challenges, particularly in terms of legacy system compatibility and the impact of U.S. trade tariffs. The industry must navigate these hurdles to ensure the long-term security of digital assets and maintain trust in the financial infrastructure.

References:
[1] https://finance.yahoo.com/news/post-quantum-cryptography-market-outlook-085000637.html
[2] https://coinedition.com/can-quantum-computers-hack-crypto-vitalik-buterin-places-odds-at-20-by-2030/
[3] https://moneycheck.com/amd-stock-surge-on-ibm-quantum-computing-alliance/

Quantum Computers Pose 20% Threat to Crypto Security by 2030, Warns Vitalik Buterin

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