Machine learning algorithms analyze spending patterns, shopping locations, and transaction timing to detect anything unusual. It’s like having a high-tech firewall constantly scanning and ...

Quantum algorithms could help handle complex data relationships and large-scale data, but these benefits are still mostly theoretical and depend on future improvements in quantum hardware.

More information: Zhenghao Yin et al, Experimental quantum-enhanced kernel-based machine learning on a photonic processor, Nature Photonics (2025). DOI: 10.1038/s41566-025-01682-5 ...