Google Quantum AI lowers estimate to 1,200–1,450 qubits to break crypto

Verifying
  • Google Quantum AI researchers revised estimates for breaking Bitcoin and Ethereum transaction cryptography.
  • 1,200–1,450 logical qubits and tens of millions of Toffoli gates could solve secp256k1.
  • 6.9 million BTC sit behind already-revealed public keys, according to the estimate.
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