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Related papers: A Watermark for Black-Box Language Models

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Watermarking schemes for large language models (LLMs) have been proposed to identify the source of the generated text, mitigating the potential threats emerged from model theft. However, current watermarking solutions hardly resolve the…

Cryptography and Security · Computer Science 2025-10-31 Haohua Duan , Liyao Xiang , Xin Zhang

Large Language Models (LLMs) have experienced rapid advancements, with applications spanning a wide range of fields, including sentiment classification, review generation, and question answering. Due to their efficiency and versatility,…

Cryptography and Security · Computer Science 2025-06-17 Yugeng Liu , Tianshuo Cong , Michael Backes , Zheng Li , Yang Zhang

Amidst rising concerns about the internet being proliferated with content generated from language models (LMs), watermarking is seen as a principled way to certify whether text was generated from a model. Many recent watermarking techniques…

Cryptography and Security · Computer Science 2024-11-11 Saksham Rastogi , Danish Pruthi

Deep neural networks (DNNs) have achieved significant success in real-world applications. However, safeguarding their intellectual property (IP) remains extremely challenging. Existing DNN watermarking for IP protection often require…

Cryptography and Security · Computer Science 2024-09-17 Yuzhang Chen , Jiangnan Zhu , Yujie Gu , Minoru Kuribayashi , Kouichi Sakurai

In this paper, we investigate the recent state-of-the-art schemes for watermarking large language models (LLMs) outputs. These techniques are claimed to be robust, scalable and production-grade, aimed at promoting responsible usage of LLMs.…

Cryptography and Security · Computer Science 2026-05-11 Jonathan Hong Jin Ng , Anh Tu Ngo , Anupam Chattopadhyay

As open-source large language models (LLMs) like Llama3 become more capable, it is crucial to develop watermarking techniques to detect their potential misuse. Existing watermarking methods either add watermarks during LLM inference, which…

Computation and Language · Computer Science 2025-03-18 Yijie Xu , Aiwei Liu , Xuming Hu , Lijie Wen , Hui Xiong

Since ChatGPT was introduced in November 2022, embedding (nearly) unnoticeable statistical signals into text generated by large language models (LLMs), also known as watermarking, has been used as a principled approach to provable detection…

Statistics Theory · Mathematics 2025-08-28 Xiang Li , Feng Ruan , Huiyuan Wang , Qi Long , Weijie J. Su

Watermarking techniques for large language models (LLMs), which encode hidden information in the output so its source can be verified, have gained significant attention in recent days, thanks to their potential capability to detect…

Computer Science and Game Theory · Computer Science 2026-05-15 Juho Kim , Fei Fang , Tuomas Sandholm

A recent watermarking scheme for language models achieves distortion-free embedding and robustness to edit-distance attacks. However, it suffers from limited generation diversity and high detection overhead. In parallel, recent research has…

Cryptography and Security · Computer Science 2025-12-12 Yangkun Wang , Jingbo Shang

Watermarking algorithms for large language models (LLMs) have attained high accuracy in detecting LLM-generated text. However, existing methods primarily focus on distinguishing fully watermarked text from non-watermarked text, overlooking…

Computation and Language · Computer Science 2025-02-25 Leyi Pan , Aiwei Liu , Yijian Lu , Zitian Gao , Yichen Di , Shiyu Huang , Lijie Wen , Irwin King , Philip S. Yu

Large Language Models (LLMs) have demonstrated remarkable capabilities, but their training requires extensive data and computational resources, rendering them valuable digital assets. Therefore, it is essential to watermark LLMs to protect…

Cryptography and Security · Computer Science 2025-10-21 Shuai Li , Kejiang Chen , Jun Jiang , Jie Zhang , Qiyi Yao , Kai Zeng , Weiming Zhang , Nenghai Yu

This paper introduces a novel problem, distributional information embedding, motivated by the practical demands of multi-bit watermarking for large language models (LLMs). Unlike traditional information embedding, which embeds information…

Cryptography and Security · Computer Science 2025-07-03 Haiyun He , Yepeng Liu , Ziqiao Wang , Yongyi Mao , Yuheng Bu

Watermarking is a technical means to dissuade malfeasant usage of Large Language Models. This paper proposes a novel watermarking scheme, so-called WaterMax, that enjoys high detectability while sustaining the quality of the generated text…

Cryptography and Security · Computer Science 2024-10-21 Eva Giboulot , Teddy Furon

Recently, text watermarking algorithms for large language models (LLMs) have been proposed to mitigate the potential harms of text generated by LLMs, including fake news and copyright issues. However, current watermark detection algorithms…

Computation and Language · Computer Science 2024-05-28 Aiwei Liu , Leyi Pan , Xuming Hu , Shu'ang Li , Lijie Wen , Irwin King , Philip S. Yu

Large language models (LLMs) can be trained or fine-tuned on data obtained without the owner's consent. Verifying whether a specific LLM was trained on particular data instances or an entire dataset is extremely challenging. Dataset…

Computation and Language · Computer Science 2025-10-07 Eyal German , Sagiv Antebi , Edan Habler , Asaf Shabtai , Yuval Elovici

Recent advancements in large language models (LLMs) have highlighted the risk of misusing them, raising the need for accurate detection of LLM-generated content. In response, a viable solution is to inject imperceptible identifiers into…

Computation and Language · Computer Science 2025-02-11 Minjia Mao , Dongjun Wei , Zeyu Chen , Xiao Fang , Michael Chau

Data watermarking in language models injects traceable signals, such as specific token sequences or stylistic patterns, into copyrighted text, allowing copyright holders to track and verify training data ownership. Previous data…

Cryptography and Security · Computer Science 2025-07-29 Xinyue Cui , Johnny Tian-Zheng Wei , Swabha Swayamdipta , Robin Jia

The rapid spread of text generated by large language models (LLMs) makes it increasingly difficult to distinguish authentic human writing from machine output. Watermarking offers a promising solution: model owners can embed an imperceptible…

Cryptography and Security · Computer Science 2025-11-04 Shingo Kodama , Haya Diwan , Lucas Rosenblatt , R. Teal Witter , Niv Cohen

Code Large Language Models (Code LLMs) have revolutionized software development but raised critical concerns regarding code provenance, copyright protection, and security. Existing code watermarking approaches suffer from two fundamental…

Cryptography and Security · Computer Science 2026-04-20 Yuqing Nie , Chong Wang , Guosheng Xu , Guoai Xu , Chenyu Wang , Haoyu Wang , Kailong Wang

While watermarks for closed LLMs have matured and have been included in large-scale deployments, these methods are not applicable to open-source models, which allow users full control over the decoding process. This setting is understudied…

Cryptography and Security · Computer Science 2025-02-18 Thibaud Gloaguen , Nikola Jovanović , Robin Staab , Martin Vechev