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Watermarking is an effective way to trace model-generated content. Current watermark methods cannot resist forgery attacks, such as a deceptive claim that the model-generated content is a response to a fabricated prompt. None of them can be…

Cryptography and Security · Computer Science 2024-12-30 Minhao Bai

Due to their immutable log of information, blockchains can be considered as a transparency-enhancing technology. The immutability, however, also introduces threats and challenges with respect to privacy laws and illegal content. Introducing…

Cryptography and Security · Computer Science 2021-07-01 Erik Daniel , Florian Tschorsch

Software watermarking allows for embedding a mark into a piece of code, such that any attempt to remove the mark will render the code useless. Provably secure watermarking schemes currently seems limited to programs computing various…

Cryptography and Security · Computer Science 2024-10-15 Jiahui Liu , Mark Zhandry

Watermarking has emerged as a promising way to detect LLM-generated text, by augmenting LLM generations with later detectable signals. Recent work has proposed multiple families of watermarking schemes, several of which focus on preserving…

Cryptography and Security · Computer Science 2025-02-25 Thibaud Gloaguen , Nikola Jovanović , Robin Staab , Martin Vechev

Watermarking has recently emerged as an effective strategy for detecting the outputs of large language models (LLMs). Most existing schemes require white-box access to the model's next-token probability distribution, which is typically not…

Cryptography and Security · Computer Science 2026-02-24 Dara Bahri , John Wieting

To accommodate the needs of large-scale distributed P2P systems, scalable data management strategies are required, allowing applications to efficiently cope with continuously growing, highly dis tributed data. This paper addresses the…

Distributed, Parallel, and Cluster Computing · Computer Science 2009-09-30 Bogdan Nicolae , Gabriel Antoniu , Luc Bougé

Language models now routinely produce text that is difficult to distinguish from human writing, raising the need for robust tools to verify content provenance. Watermarking has emerged as a promising countermeasure, with existing work…

Cryptography and Security · Computer Science 2026-02-18 Huijia Lin , Kameron Shahabi , Min Jae Song

This paper presents a traitor-tracing technique based on the watermarking of digital documents (\pdf{} files in particular). The watermarking algorithm uses a chain of three separate techniques that work in synergy. The embedded payload can…

Cryptography and Security · Computer Science 2021-09-21 Fabrizio d'Amore , Alessandro Serpi

Due to the distributed nature of Federated Learning (FL) systems, each local client has access to the global model, which poses a critical risk of model leakage. Existing works have explored injecting watermarks into local models to enable…

Cryptography and Security · Computer Science 2026-02-10 Jiahao Xu , Rui Hu , Olivera Kotevska , Zikai Zhang

With the increasing use of large language models (LLMs) in daily life, concerns have emerged regarding their potential misuse and societal impact. Watermarking is proposed to trace the usage of specific models by injecting patterns into…

Cryptography and Security · Computer Science 2024-05-24 Baizhou Huang , Xiaojun Wan

Obtaining the state of the art performance of deep learning models imposes a high cost to model generators, due to the tedious data preparation and the substantial processing requirements. To protect the model from unauthorized…

Machine Learning · Computer Science 2019-11-27 Masoumeh Shafieinejad , Jiaqi Wang , Nils Lukas , Xinda Li , Florian Kerschbaum

As AI-generated images become widespread, reliable watermarking is essential for content verification, copyright enforcement, and combating disinformation. Existing techniques rely on heuristic approaches and lack formal guarantees of…

Cryptography and Security · Computer Science 2025-09-01 Kareem Shehata , Aashish Kolluri , Prateek Saxena

Traceability and auditability are key structures that are vital in supply chain management and construction. However, trust is the most important aspect of customers in these systems. Also, we have to rely on third parties to trade in…

Cryptography and Security · Computer Science 2021-03-22 Bora Bugra Sezer , Selcuk Topal , Urfat Nuriyev

Blockchain also known as a distributed ledger technology stores different transactions/operations in a chain of blocks in a distributed manner without needing a trusted third-party. Blockchain is proven to be immutable which helps for…

Cryptography and Security · Computer Science 2019-04-30 Danda B. Rawat , Vijay Chaudhary , Ronald Doku

Decentralization for data storage is a challenging problem for blockchain-based solutions as the blocksize plays the key role for scalability. In addition, specific requirements of multimedia data calls for various changes in the blockchain…

Distributed, Parallel, and Cluster Computing · Computer Science 2022-03-15 Suayb S. Arslan , Turguy Goker

Flow watermarks efficiently link packet flows in a network in order to thwart various attacks such as stepping stones. We study the problem of designing good flow watermarks. Earlier flow watermarking schemes mostly considered substitution…

Cryptography and Security · Computer Science 2013-06-17 Xun Gong , Mavis Rodrigues , Negar Kiyavash

In this paper we introduce a scheme for detecting manipulated audio and video. The scheme is a synthesis of blockchains, encrypted spread spectrum watermarks, perceptual hashing and digital signatures, which we call an Embedded Blockchain.…

Information Theory · Computer Science 2024-11-27 Sam Blake

Watermarking has emerged as a prominent technique for LLM-generated content detection by embedding imperceptible patterns. Despite supreme performance, its robustness against adversarial attacks remains underexplored. Previous work…

Computation and Language · Computer Science 2024-11-08 Baizhou Huang , Xiao Pu , Xiaojun Wan

Unclonable encryption, first introduced by Broadbent and Lord (TQC'20), is a one-time encryption scheme with the following security guarantee: any non-local adversary (A, B, C) cannot simultaneously distinguish encryptions of two equal…

Cryptography and Security · Computer Science 2022-07-15 Prabhanjan Ananth , Fatih Kaleoglu , Xingjian Li , Qipeng Liu , Mark Zhandry

This work investigates the theoretical boundaries of creating publicly-detectable schemes to enable the provenance of watermarked imagery. Metadata-based approaches like C2PA provide unforgeability and public-detectability. ML techniques…

Cryptography and Security · Computer Science 2025-04-29 Jaiden Fairoze , Guillermo Ortiz-Jimenez , Mel Vecerik , Somesh Jha , Sven Gowal
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