Why 35% of Bitcoin Is Vulnerable to Quantum Attacks | Markets Outlook

Why 35% of Bitcoin Is Vulnerable to Quantum Attacks | Markets Outlook

From Markets Outlook by CoinDesk

April 9, 2026 · 30 min

About this episode

The episode discusses the vulnerability of Bitcoin to quantum attacks and features insights from Project Eleven CEO Alex Pruden.

What quantum means for Satoshi's bitcoin with Project Eleven CEO Alex Pruden. Two recent landmark papers dramatically shortened the timeline for a quantum threat to blockchain security. Project Eleven CEO Alex Pruden joins CoinDesk's Jennifer Sanasie on Markets Outlook to break down what it means for Satoshi's bitcoin, why 35% of all bitcoin is already exposed, and what can actually be done to protect holdings right now. - Check out CoinDesk’s latest research report as part of the Definitive Stablecoin Landscape Series, commissioned by Ripple: https://www.coindesk.com/research/the-definitive-stablecoin-landscape-series-north-america - Timecodes: 00:00 - What You Need to Know About Quantum Computers03:16 - The Breakthrough Papers Challenging the Quantum Timeline04:59 - The 9-Minute Bitcoin Attack Window Explained06:33 - Could a Quantum Computer Exist by 2030 and Can We Catch Up?10:37 - Who's At Risk?13:22 - Satoshi's Bitcoin and the $150B Question17:00 - National Security Implications19:56 - Predicting How the Quantum Risk Plays Out21:46 - What Is the Cost of Migrating to Post-Quantum Cryptography?24:51 - Are Institutions Paying Enough Attention?28:06 - What You Should Know About…

People in this episode

Host: Jennifer Sanasie

Guest: Alex Pruden

Topics covered

  • quantum computing
  • Bitcoin security
  • blockchain threats
  • cryptography
  • national security
  • investment risks

Keywords

  • quantum attacks
  • Bitcoin
  • blockchain security
  • cryptography
  • investment
  • Project Eleven
  • CoinDesk
  • national security

Mentioned in this episode

Organizations: Project Eleven, CoinDesk, Ripple

Books & works: Definitive Stablecoin Landscape Series

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