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Copyright protection for large language models is of critical importance, given their substantial development costs, proprietary value, and potential for misuse. Existing surveys have predominantly focused on techniques for tracing…

Cryptography and Security · Computer Science 2026-04-08 Zhenhua Xu , Xubin Yue , Zhebo Wang , Haobo Zhang , Qichen Liu , Xixiang Zhao , Jingxuan Zhang , Wenjun Zeng , Wengpeng Xing , Dezhang Kong , Changting Lin , Meng Han

Watermarking has emerged as a promising technique to track AI-generated content and differentiate it from authentic human creations. While prior work extensively studies watermarking for autoregressive large language models (LLMs) and image…

Cryptography and Security · Computer Science 2026-02-16 Avi Bagchi , Akhil Bhimaraju , Moulik Choraria , Daniel Alabi , Lav R. Varshney

We propose Easymark, a family of embarrassingly simple yet effective watermarks. Text watermarking is becoming increasingly important with the advent of Large Language Models (LLM). LLMs can generate texts that cannot be distinguished from…

Machine Learning · Computer Science 2023-10-16 Ryoma Sato , Yuki Takezawa , Han Bao , Kenta Niwa , Makoto Yamada

LLM watermarking has attracted attention as a promising way to detect AI-generated content, with some works suggesting that current schemes may already be fit for deployment. In this work we dispute this claim, identifying watermark…

Machine Learning · Computer Science 2024-06-25 Nikola Jovanović , Robin Staab , Martin Vechev

Watermarking algorithms for Large Language Models (LLMs) effectively identify machine-generated content by embedding and detecting hidden statistical features in text. However, such embedding leads to a decline in text quality, especially…

Cryptography and Security · Computer Science 2025-10-06 Yu Zhang , Shuliang Liu , Xu Yang , Xuming Hu

Benchmark contamination poses a significant challenge to the reliability of Large Language Models (LLMs) evaluations, as it is difficult to assert whether a model has been trained on a test set. We introduce a solution to this problem by…

Cryptography and Security · Computer Science 2025-07-22 Tom Sander , Pierre Fernandez , Saeed Mahloujifar , Alain Durmus , Chuan Guo

Watermarking has emerged as a pivotal solution for content traceability and intellectual property protection in Large Vision-Language Models (LVLMs). However, vision-agnostic watermarks introduce visually irrelevant tokens and disrupt…

Computer Vision and Pattern Recognition · Computer Science 2026-01-13 Qi Zheng , Shuliang Liu , Yu Huang , Sihang Jia , Jungang Li , Lyuhao Chen , Junhao Chen , Hanqian Li , Aiwei Liu , Yibo Yan , Xuming Hu

Large language model (LLM) unlearning is critical in real-world applications where it is necessary to efficiently remove the influence of private, copyrighted, or harmful data from some users. Existing utility-centric unlearning metrics…

Text content created by humans or language models is often stolen or misused by adversaries. Tracing text provenance can help claim the ownership of text content or identify the malicious users who distribute misleading content like…

Cryptography and Security · Computer Science 2021-12-16 Xi Yang , Jie Zhang , Kejiang Chen , Weiming Zhang , Zehua Ma , Feng Wang , Nenghai Yu

Recent advances of large language models in the field of Verilog generation have raised several ethical and security concerns, such as code copyright protection and dissemination of malicious code. Researchers have employed watermarking…

Cryptography and Security · Computer Science 2025-01-07 Kun Wang , Kaiyan Chang , Mengdi Wang , Xinqi Zou , Haobo Xu , Yinhe Han , Ying Wang

Large Language Models (LLMs) effectiveness is usually evaluated by means of benchmarks such as MMLU, ARC-C, or HellaSwag, where questions are presented in their original wording, thus in a fixed, standardized format. However, real-world…

Computation and Language · Computer Science 2025-09-05 Riccardo Lunardi , Vincenzo Della Mea , Stefano Mizzaro , Kevin Roitero

Embeddings-as-a-Service (EaaS) is a service offered by large language model (LLM) developers to supply embeddings generated by LLMs. Previous research suggests that EaaS is prone to imitation attacks -- attacks that clone the underlying…

Cryptography and Security · Computer Science 2025-06-03 Anudeex Shetty , Qiongkai Xu , Jey Han Lau

Watermarking techniques offer a promising way to identify machine-generated content via embedding covert information into the contents generated from language models. A challenge in the domain lies in preserving the distribution of original…

Cryptography and Security · Computer Science 2024-06-26 Yihan Wu , Zhengmian Hu , Junfeng Guo , Hongyang Zhang , Heng Huang

Advances in generative models have made it possible for AI-generated text, code, and images to mirror human-generated content in many applications. Watermarking, a technique that aims to embed information in the output of a model to verify…

Cryptography and Security · Computer Science 2024-11-14 Qi Pang , Shengyuan Hu , Wenting Zheng , Virginia Smith

The rapid advancement of LLMs (Large Language Models) has established them as a foundational technology for many AI and ML-powered human computer interactions. A critical challenge in this context is the attribution of LLM-generated text --…

Cryptography and Security · Computer Science 2026-02-27 Jarosław Janas , Paweł Morawiecki , Josef Pieprzyk

Watermarking (WM) is a critical mechanism for detecting and attributing AI-generated content. Current WM methods for Large Language Models (LLMs) are predominantly tailored for autoregressive (AR) models: They rely on tokens being generated…

Computation and Language · Computer Science 2026-01-21 Ofek Raban , Ethan Fetaya , Gal Chechik

The radioactive nature of Large Language Model (LLM) watermarking enables the detection of watermarks inherited by student models when trained on the outputs of watermarked teacher models, making it a promising tool for preventing…

Computation and Language · Computer Science 2025-05-27 Leyi Pan , Aiwei Liu , Shiyu Huang , Yijian Lu , Xuming Hu , Lijie Wen , Irwin King , Philip S. Yu

Integrating watermarking into the generation process of latent diffusion models (LDMs) simplifies detection and attribution of generated content. Semantic watermarks, such as Tree-Rings and Gaussian Shading, represent a novel class of…

Cryptography and Security · Computer Science 2025-06-10 Andreas Müller , Denis Lukovnikov , Jonas Thietke , Asja Fischer , Erwin Quiring

With the application of vertical domain pre-trained language models (VPLMs) in specialized fields such as medical, finance, and law, model parameters and inference capabilities have become important digital assets. Achieving traceable…

Cryptography and Security · Computer Science 2026-05-05 Cong Kong , Xin Cheng , Zhaoxia Yin , Shuai Li , Jie Zhang , Weiming Zhang

The proliferation of large language models (LLMs) in generating content raises concerns about text copyright. Watermarking methods, particularly logit-based approaches, embed imperceptible identifiers into text to address these challenges.…

Computation and Language · Computer Science 2025-02-06 Yiyang Luo , Ke Lin , Chao Gu , Jiahui Hou , Lijie Wen , Ping Luo