BlockBeats News, March 31st, Galaxy Research Director Alex Thorn posted on the X platform, stating, “This Google quantum paper is very important because researchers have made a breakthrough in circuit optimization. Compared to previous schemes that required around 9 million physical qubits (Litinski 2023, based on photonics architecture), the circuit built in this research is expected to run the Shor algorithm on around 500,000 physical qubits under reasonable conditions, and is based on a superconducting architecture consistent with its own processor parameters.
This means that the circuit design has achieved an optimization improvement of about 20 times, with this progress partially coming from a more optimal circuit design and partially from hardware assumptions closer to reality. However, actual engineering challenges (such as error correction, decoherence, gate fidelity) have not changed.
In addition, they developed these circuit designs but did not disclose specific details, instead proving the existence of these circuits through a “responsible disclosure” method (using zero-knowledge proofs, ZKP), allowing outsiders to verify their conclusions without seeing the specific designs. This approach is innovative while avoiding the leakage of key designs. Whether the engineering aspect can achieve the necessary error correction capability in the future, control decoherence, and achieve sufficient gate fidelity is still an independent and unresolved issue.”
