@unpublished{sun2026mfgregretnet,
  author = {Sun, Kangkang and Li, Jianhua and Chen, Xiuzhen
            and Meng, Weizhi and Guo, Minyi},
  title = {Dependable and Secure Privacy Trading in Federated
           Learning via {MFG-RegretNet}},
  year = {2026},
  note = {Author manuscript; PDF compiled October 15, 2026},
  url = {https://privacy-as-commodity.pages.dev/papers/mfg-regretnet.pdf}
}