High Alert

Q-Day Could Arrive Before Quantum Computers Are Commercially Useful, EU Warns

Written and edited by the WorldPing NewsdeskPublished Updated Original reporting: Decrypt
Q-Day Could Arrive Before Quantum Computers Are Commercially Useful, EU WarnsWorldPing
Image via Decrypt.

What happened

The threat could arrive before quantum computers are commercially useful, and member states have until the end of 2026 to plan for it.

Key facts

  • The threat could arrive before quantum computers are commercially useful, and member states have until the end of 2026 to plan for it.
  • Reported by Decrypt and published Thu, 24 Sep 2026 11:05:19 UTC.

Why it matters

Digital-asset markets react to catalysts within minutes, and liquidity, ETF flows and regulatory signals are usually what decide whether a move sticks.

What to watch next

  • Whether spot volume and open interest confirm the move
  • Liquidation clusters around the current price
  • ETF flow data and any regulatory follow-up

Coverage timeline

When each newsroom published on this story, oldest first — all times UTC.

  1. Bitcoin’s ‘last resort’ quantum-safe solution just got 79% cheaper: StarkWare

  2. A week of AI coding cut a quantum-safe bitcoin transaction estimate from $320 to $66

  3. Australia says OpenAI agent hacked government site before Altman warning

  4. EU financial watchdogs warn quantum computing poses imminent threat to blockchain encryption

  5. Q-Day Could Arrive Before Quantum Computers Are Commercially Useful, EU Warns

Sources

The original report was published by Decrypt. WorldPing does not claim that reporting — this page summarises and contextualises it.

Read the full report at Decrypt

Follow the story

Living hubs that keep updating as this story develops.

Related WorldPing coverage