FYI - For Your Innovation

Does Quantum Threaten Bitcoin? | The Brainstorm EP 112

46 snips
Dec 3, 2025
Ray (Raye), a crypto researcher specializing in Bitcoin security, delves into the pressing threat of quantum computing on Bitcoin. He highlights that a third of Bitcoin's supply is exposed to potential quantum attacks that could reverse-engineer private keys. Ray discusses the challenges of migrating to quantum-resistant signatures and the need for community consensus on these crucial changes. The conversation also touches on geopolitical stakes and the mixed role of AI in quantum research, painting a vivid picture of the future risks facing digital currencies.
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INSIGHT

A Third Of Bitcoin Is Quantum-Vulnerable

  • About one third of Bitcoin (≈6.7M BTC) sits in addresses vulnerable to quantum attacks today.
  • Public-key revelation or address reuse lets quantum reverse-engineer private keys and steal funds.
ADVICE

Coordinate Consensus And Stagger Migrations

  • Prioritize consensus for a quantum-resistant signature upgrade and plan coordinated migration campaigns.
  • Estimate network capacity and stagger migrations to avoid multi-month congestion.
ADVICE

Migrate To Quantum-Resistant Addresses Now

  • Move vulnerable coins to quantum-resistant addresses and adopt quantum-resistant signature schemes.
  • Start migration and consensus work years ahead — plan at least a two-year buffer before projected quantum risk.
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