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Related papers: Improving Detection of Watermarked Language Models

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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 generate high-quality responses with potential misinformation, underscoring the need for regulation by distinguishing AI-generated and human-written texts. Watermarking is pivotal in this context, which involves…

Machine Learning · Computer Science 2024-06-07 Mingjia Huo , Sai Ashish Somayajula , Youwei Liang , Ruisi Zhang , Farinaz Koushanfar , Pengtao Xie

Watermarking by altering token sampling probabilities based on red-green list is a promising method for tracing the origin of text generated by large language models (LLMs). However, existing watermark methods often struggle with a…

Cryptography and Security · Computer Science 2025-05-21 Zongqi Wang , Tianle Gu , Baoyuan Wu , Yujiu Yang

Watermarking the outputs of large language models (LLMs) is critical for provenance tracing, content regulation, and model accountability. Existing approaches often rely on access to model internals or are constrained by static rules and…

Machine Learning · Computer Science 2025-06-23 Agnibh Dasgupta , Abdullah Tanvir , Xin Zhong

The Large Language Model (LLM) watermark is a newly emerging technique that shows promise in addressing concerns surrounding LLM copyright, monitoring AI-generated text, and preventing its misuse. The LLM watermark scheme commonly includes…

Cryptography and Security · Computer Science 2024-05-31 Zhaoxi Zhang , Xiaomei Zhang , Yanjun Zhang , Leo Yu Zhang , Chao Chen , Shengshan Hu , Asif Gill , Shirui Pan

Text watermarks in large language models (LLMs) are increasingly used to detect synthetic text, mitigating misuse cases like fake news and academic dishonesty. While existing watermarking detection techniques primarily focus on classifying…

Computation and Language · Computer Science 2025-06-13 Xuandong Zhao , Chenwen Liao , Yu-Xiang Wang , Lei Li

Large language models (LLMs) can be misused to reveal sensitive information, such as weapon-making instructions or writing malware. LLM providers rely on $\emph{monitoring}$ to detect and flag unsafe behavior during inference. An open…

Cryptography and Security · Computer Science 2026-04-01 Toluwani Aremu , Daniil Ognev , Samuele Poppi , Nils Lukas

LLM watermarks allow tracing AI-generated texts by inserting a detectable signal into their generated content. Recent works have proposed a wide range of watermarking algorithms, each with distinct designs, usually built using a bottom-up…

Cryptography and Security · Computer Science 2026-02-09 Thibaud Gloaguen , Robin Staab , Nikola Jovanović , Martin Vechev

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

Large Language Models (LLMs) excel in various applications, including text generation and complex tasks. However, the misuse of LLMs raises concerns about the authenticity and ethical implications of the content they produce, such as…

Cryptography and Security · Computer Science 2024-12-02 Zesen Liu , Tianshuo Cong , Xinlei He , Qi Li

In recent years, large language models (LLMs) have achieved remarkable performances in various NLP tasks. They can generate texts that are indistinguishable from those written by humans. Such remarkable performance of LLMs increases their…

Computation and Language · Computer Science 2025-02-18 Yuki Takezawa , Ryoma Sato , Han Bao , Kenta Niwa , Makoto Yamada

Detecting whether copyright holders' works were used in LLM pretraining is poised to be an important problem. This work proposes using data watermarks to enable principled detection with only black-box model access, provided that the…

Cryptography and Security · Computer Science 2024-08-20 Johnny Tian-Zheng Wei , Ryan Yixiang Wang , Robin Jia

LLMs now exhibit human-like skills in various fields, leading to worries about misuse. Thus, detecting generated text is crucial. However, passive detection methods are stuck in domain specificity and limited adversarial robustness. To…

Computation and Language · Computer Science 2023-05-17 Xi Yang , Kejiang Chen , Weiming Zhang , Chang Liu , Yuang Qi , Jie Zhang , Han Fang , Nenghai Yu

As large language models (LLMs) continue to advance rapidly, reliable governance tools have become critical. Publicly verifiable watermarking is particularly essential for fostering a trustworthy AI ecosystem. A central challenge persists:…

Computation and Language · Computer Science 2026-04-20 Shinwoo Park , Hyejin Park , Hyeseon An , Yo-Sub Han

The widespread adoption of large language models (LLMs) necessitates reliable methods to detect LLM-generated text. We introduce SimMark, a robust sentence-level watermarking algorithm that makes LLMs' outputs traceable without requiring…

Computation and Language · Computer Science 2025-09-12 Amirhossein Dabiriaghdam , Lele Wang

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

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

A recent and exciting thread of work focuses on developing methods for watermarking the output of large language models (LLMs). We focus on provably undetectable watermarking-that is, schemes that do not alter the output distribution of the…

Cryptography and Security · Computer Science 2026-04-15 Noam Mazor , Andrew Morgan , Rafael Pass

The rise of LLMs has increased concerns over source tracing and copyright protection for AIGC, highlighting the need for advanced detection technologies. Passive detection methods usually face high false positives, while active watermarking…

Cryptography and Security · Computer Science 2026-04-03 Kahim Wong , Jicheng Zhou , Jiantao Zhou , Yain-Whar Si

Text watermarking algorithms are crucial for protecting the copyright of textual content. Historically, their capabilities and application scenarios were limited. However, recent advancements in large language models (LLMs) have…

Computation and Language · Computer Science 2024-08-12 Aiwei Liu , Leyi Pan , Yijian Lu , Jingjing Li , Xuming Hu , Xi Zhang , Lijie Wen , Irwin King , Hui Xiong , Philip S. Yu