# Quantum Encryption Threat Timeline Gets Shorter, But Caveats Apply

- slug: quantum-encryption-threat-timeline-gets-shorter-but-caveats-apply
- date: 2026-03-31
- category: Quantum Computing

Two preprints claim quantum computers need far fewer qubits to break ECC encryption. One comes from authors who own stock in a quantum company; the other withheld its technical details. Neither machine exists yet.

---