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May 7, 2026

Project Eleven Report Warns Quantum Computers Could Break Blockchain Cryptography by 2030-2033

Project Eleven released a report warning that quantum computers capable of breaking blockchain cryptography could arrive as soon as 2030, with a baseline 'Q-Day' scenario projected for 2033. The report provides an analytical framework for measuring quantum progress based on research from Google and other quantum computing leaders.

May 7, 2026·2 sources
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Top claims

  • ▪Project Eleven warns that quantum computers capable of breaking blockchain cryptography could arrive as soon as 2030
  • ▪Google researchers found in a March paper that breaking elliptic curve cryptography used by Bitcoin could be accomplished using roughly 1,200 logical qubits and fewer than 90 minutes of computing time on superconducting hardware
  • ▪Apple enabled hybrid post-quantum support across its devices in iOS 26

Subtopics

Blockchain quantum resistance1Blockchain technology1Cryptography & hashing1

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