DuFFin: A Dual-Level Fingerprinting Framework for LLMs IP Protection

Yuliang Yan, Haochun Tang, Shuo Yan, Enyan Dai. DuFFin: A Dual-Level Fingerprinting Framework for LLMs IP Protection. In Vera Demberg, Kentaro Inui, Lluís Marquez, editors, Findings of the Association for Computational Linguistics: EACL 2026, Rabat, Morocco, March 24-29, 2026. pages 5168-5184, Association for Computational Linguistics, 2026. [doi]

@inproceedings{YanTYD26,
  title = {DuFFin: A Dual-Level Fingerprinting Framework for LLMs IP Protection},
  author = {Yuliang Yan and Haochun Tang and Shuo Yan and Enyan Dai},
  year = {2026},
  url = {https://aclanthology.org/2026.findings-eacl.273/},
  researchr = {https://researchr.org/publication/YanTYD26},
  cites = {0},
  citedby = {0},
  pages = {5168-5184},
  booktitle = {Findings of the Association for Computational Linguistics: EACL 2026, Rabat, Morocco, March 24-29, 2026},
  editor = {Vera Demberg and Kentaro Inui and Lluís Marquez},
  publisher = {Association for Computational Linguistics},
  isbn = {979-8-89176-386-9},
}