Alex Pruden: Quantum computing threatens elliptic curve cryptography, urgent need for postmodern cryptography, and the Bitcoin community’s philosophical divide | Empire

Quantum computing's rapid advancements pose an urgent threat to the security of digital assets and financial systems.

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Add us on Google by Editorial Team May. 13, 2026

Key takeaways

• Quantum computing is emerging as a significant threat to elliptic curve cryptography, which underpins many cryptographic systems.
• There is an urgent need to transition to postmodern cryptography to safeguard digital assets from quantum threats.
• Recent advancements suggest that fewer qubits are needed to break public key cryptography than previously thought.
• The current cryptographic systems are vulnerable to both quantum computing and AI advancements.
• Quantum computers could fundamentally disrupt financial systems and government security by breaking modern public key cryptography.
• The internet’s reliance on trust makes financial systems particularly vulnerable to cryptographic threats.
• Blockchain technology’s heavy reliance on cryptography presents challenges in adapting to safer cryptographic methods.
• Hybrid cryptography is already being used to secure a significant portion of internet traffic, indicating a shift towards more secure systems.
• The Bitcoin community is divided on the timeline and risk of quantum computing threats.
• Bitcoin’s long-standing value and philosophical foundations make discussions about quantum threats particularly challenging.
• The shift to postmodern cryptography is critical for the long-term security and viability of digital assets.
• Quantum computing advancements could necessitate a reevaluation of current cryptographic practices across industries.
• The integration of internet infrastructure with financial systems highlights the need for robust cryptographic security.
• The ongoing efforts to enhance security through hybrid cryptography are crucial for the future of blockchain and digital assets.
• Philosophical beliefs within the Bitcoin community influence the conversation around technological risks and threats.

Guest intro

Alex Pruden is the CEO of Project Eleven, an applied R&D lab at the intersection of quantum computing and cryptography. He previously served as Chairman of Aleo and a partner at a16z, and has developed post-quantum migration products like Yellow Pages for Bitcoin to address quantum threats. A former US Army Green Beret, he specializes in zero-knowledge cryptography and future-proofing digital assets.

Quantum computing’s threat to cryptography

• Recent research indicates that quantum computing poses a more imminent threat to elliptic curve cryptography than previously understood.

  — Alex Pruden

• Google has indicated that quantum computing could be a more immediate threat than initially thought.

• There is an urgent need to migrate to postmodern cryptography to address vulnerabilities in the crypto space.

  — Alex Pruden

• The urgency to adapt to postmodern cryptography is driven by the vulnerabilities exposed by quantum computing.
• Advancements in quantum computing could significantly reduce the qubits needed to break public key cryptography.

• The current state of cryptography is at risk from both quantum computing and advancements in AI.

  — Alex Pruden

• Quantum computing and AI present dual threats to modern cryptographic systems.
• The potential impact of quantum computing on cryptography necessitates immediate action to secure digital assets.

Implications for financial systems and government security

• Quantum computers pose a significant threat to modern public key cryptography, impacting financial systems and government security.

  — Alex Pruden

• The reliance on modern public key cryptography makes financial systems vulnerable to quantum computing threats.

• The financial system’s vulnerabilities are largely due to its integration with the internet, which relies on trust among parties.

  — Alex Pruden

• Trust-based internet infrastructure increases the risk to financial systems from cryptographic threats.
• Quantum computing could disrupt various sectors by breaking fundamental cryptographic systems.
• The integration of financial systems with the internet highlights the need for robust cryptographic security.
• Quantum threats to cryptography could have far-reaching implications for government security.
• The potential for quantum computing to disrupt financial systems underscores the importance of transitioning to more secure cryptographic methods.

Challenges for blockchain technology

• The security of blockchains is heavily reliant on cryptography, making it challenging to migrate to safer forms of cryptography in the event of quantum computing threats.

  — Alex Pruden

• Blockchain’s reliance on cryptography presents unique challenges in adapting to emerging threats.

• A significant portion of internet traffic is already secured using hybrid cryptography, indicating that the transition to more secure systems is underway.

  — Alex Pruden

• Hybrid cryptography is playing a crucial role in securing internet traffic and enhancing security.
• The ongoing efforts to enhance security through hybrid cryptography are relevant to blockchain and digital assets.
• The challenges faced by blockchain technology in adapting to safer cryptographic methods are significant.
• Quantum computing’s threat to cryptography presents a unique challenge for blockchain security.
• The transition to more secure cryptographic systems is critical for the future of blockchain technology.

Philosophical divides in the Bitcoin community

• The Bitcoin community has a philosophical divide regarding the potential threat of quantum computing.

  — Alex Pruden

• The philosophical underpinnings of Bitcoin’s value influence the conversation around quantum threats.

• The conversation around quantum threats to Bitcoin is uniquely difficult due to its long-standing value and philosophical foundations.

  — Alex Pruden

• Bitcoin’s long-standing value and philosophical foundations make discussions about quantum threats particularly challenging.
• The Bitcoin community’s philosophical divide highlights the complex interplay between technological risks and beliefs.
• The potential threat of quantum computing to Bitcoin is a topic of debate within the community.
• The philosophical beliefs within the Bitcoin community influence the conversation around technological risks and threats.
• The challenges faced by the Bitcoin community in addressing emerging technological threats are significant.

Disclosure: This article was edited by Editorial Team. For more information on how we create and review content, see our Editorial Policy.