Errors must remain controlled as quantum computers scale.

Dr. Amit Ben Kish, CTO and co-founder of Quantum Art

Following Quantum Art’s announcement that it has validated a scalable path to fault-tolerant quantum computing using multi-qubit gates, Dr. Amit Ben Kish, CTO and co-founder of Quantum Art, provided this exclusive comment:

For years, one of the biggest questions in quantum computing has been whether architectures built around large multi-qubit operations could support fault tolerance at scale. Speed and efficiency alone are not enough. Any practical quantum computer must also show that errors remain controlled as systems scale and that quantum error correction continues to improve performance rather than break down. Our results demonstrate exactly that. We found that the dominant errors remain local and predictable, while unwanted long-range error propagation stays limited. Most importantly, the architecture exhibits a practical fault-tolerance threshold, showing that multi-qubit gates can support scalable quantum error correction. That removes a major uncertainty for the field and strengthens the case for architectures that can dramatically reduce circuit depth and computational overhead while still providing a path to large-scale fault-tolerant quantum computing.