The Qubit Gap
Log-scale chart comparing physical qubit counts in today's best quantum hardware against the ~500,000-qubit threshold needed to break secp256k1. Tap a chip to see how far it falls short.
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Log-scale chart comparing physical qubit counts in today's best quantum hardware against the ~500,000-qubit threshold needed to break secp256k1. Tap a chip to see how far it falls short.
Every ECDSA signature broadcasts the wallet's public key. A March 2026 Google/EF paper tightens the quantum break estimate to ~500k physical qubits — here's what that means for autonomous AI agent wallets.