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We propose BlockScan, a customized Transformer for anomaly detection in blockchain transactions. Unlike existing methods that rely on rule-based systems or directly apply off-the-shelf large language models (LLMs), BlockScan introduces a…

密码学与安全 · 计算机科学 2025-10-22 Jiahao Yu , Xian Wu , Hao Liu , Wenbo Guo , Xinyu Xing

Blockchain has emerged as a leading technology that ensures security in a distributed framework. Recently, it has been shown that blockchain can be used to convert traditional blocks of any deep learning models into secure systems. In this…

密码学与安全 · 计算机科学 2020-08-04 Akhil Goel , Akshay Agarwal , Mayank Vatsa , Richa Singh , Nalini Ratha

Blockchains are tamper evident and tamper resistant digital ledgers implemented in a distributed fashion (i.e., without a central repository) and usually without a central authority (i.e., a bank, company, or government). At their basic…

密码学与安全 · 计算机科学 2019-06-27 Dylan Yaga , Peter Mell , Nik Roby , Karen Scarfone

Skill verification is a central problem in workforce hiring. Companies and academia often face the difficulty of ascertaining the skills of an applicant since the certifications of the skills claimed by a candidate are generally not…

密码学与安全 · 计算机科学 2020-03-26 Jay Gupta , Swaprava Nath

Steganography is a solution for covert communication and blockchain is a p2p network for data transmission, so the benefits of blockchain can be used in steganography. In this paper, we discuss the advantages of blockchain in steganography,…

密码学与安全 · 计算机科学 2021-01-11 Omid Torki , Maede Ashouri-Talouki , Mojtaba Mahdavi

In case of an accident between two autonomous vehicles equipped with emerging technologies, how do we apportion liability among the various players? A special liability regime has not even yet been established for damages that may arise due…

密码学与安全 · 计算机科学 2023-04-03 Mehmet Parlak

Digital watermarking is a technique of information adding or information hiding in order to identify the owner of the data in multimedia content. It seems that a signal or digital image can permanently embed over another digital data…

多媒体 · 计算机科学 2013-03-26 Arijit Kumar Pal , Poulami Das , Nilanjan Dey

Massive amounts of multimedia data (i.e., text, audio, video, graphics and animation) are being generated everyday. Conventionally, multimedia data are managed by the platforms maintained by multimedia service providers, which are generally…

密码学与安全 · 计算机科学 2020-09-08 Yue Liu , Qinghua Lu , Chunsheng Zhu , Qiuyu Yu

Generative models that can produce realistic images have improved significantly in recent years. The quality of the generated content has increased drastically, so sometimes it is very difficult to distinguish between the real images and…

计算机视觉与模式识别 · 计算机科学 2026-03-02 Mikhail Pautov , Danil Ivanov , Andrey V. Galichin , Oleg Rogov , Ivan Oseledets

The rise of crypto-currencies has spawned great interest in their underlying technology, namely, Blockchain. The central component in a Blockchain is a shared distributed ledger. A ledger comprises series of blocks, which in turns contains…

分布式、并行与集群计算 · 计算机科学 2018-05-04 Qi Zhang , Petr Novotny , Salman Baset , Donna Dillenberger , Artem Barger , Yacov Manevich

Today, permissioned blockchains are being adopted by large organizations for business critical operations. Consequently, they are subject to attacks by malicious actors. Researchers have discovered and enumerated a number of attacks that…

密码学与安全 · 计算机科学 2021-03-29 Benedikt Putz , Fabian Böhm , Günther Pernul

Large scale power systems are comprised of regional utilities with assets that stream sensor readings in real time. In order to detect cyberattacks, the globally acquired, real time sensor data needs to be analyzed in a centralized fashion.…

分布式、并行与集群计算 · 计算机科学 2021-10-06 Paritosh Ramanan , Dan Li , Nagi Gebraeel

In recent years, `fake news' has become a global issue that raises unprecedented challenges for human society and democracy. This problem has arisen due to the emergence of various concomitant phenomena such as (1) the digitization of human…

密码学与安全 · 计算机科学 2019-03-29 Adnan Qayyum , Junaid Qadir , Muhammad Umar Janjua , Falak Sher

Regulatory radio spectrum management is evolving from traditional static frequency allocation and assignment schemes towards dynamic spectrum management and access schemes. This evolution is necessitated by a number of factors including…

网络与互联网体系结构 · 计算机科学 2021-07-05 Matthew K. Luka , Okpo U. Okereke , Elijah E. Omizegba , Ejike C. Anene

Blind watermarking provides powerful evidence for copyright protection, image authentication, and tampering identification. However, it remains a challenge to design a watermarking model with high imperceptibility and robustness against…

多媒体 · 计算机科学 2022-12-27 Rui Ma , Mengxi Guo , Yi Hou , Fan Yang , Yuan Li , Huizhu Jia , Xiaodong Xie

Permissioned blockchains have been proposed for a variety of use cases that require decentralization yet address enterprise requirements that permissionless blockchains to date cannot satisfy -- particularly in terms of performance.…

密码学与安全 · 计算机科学 2024-04-05 Orestis Papageorgiou , Lasse Börtzler , Egor Ermolaev , Jyoti Kumari , Johannes Sedlmeir

Video Watermarking serves as a new technology mainly used to provide security to the illegal distribution of digital video over the web. The purpose of any video watermarking scheme is to embed extra information into video in such a way…

多媒体 · 计算机科学 2014-04-30 T. Srinivasa Rao , Rajasekhar R. Kurra

Watermarking embeds information into digital content like images, audio, or text, imperceptible to humans but robustly detectable by specific algorithms. This technology has important applications in many challenges of the industry such as…

密码学与安全 · 计算机科学 2025-02-11 Pierre Fernandez

Videos are prone to tampering attacks that alter the meaning and deceive the audience. Previous video forgery detection schemes find tiny clues to locate the tampered areas. However, attackers can successfully evade supervision by…

计算机视觉与模式识别 · 计算机科学 2022-07-08 Yangming Zhou , Qichao Ying , Xiangyu Zhang , Zhenxing Qian , Sheng Li , Xinpeng Zhang

Digital watermarking methods are commonly used to safeguard digital media copyrights by confirming ownership and deterring unauthorized use. However, without reliable third-party oversight, these methods risk security vulnerabilities during…

密码学与安全 · 计算机科学 2024-05-30 Xiaolong Xue , Guangyong Shang , Zhen Ma , Minghui Xu , Hechuan Guo , Kun Li , Xiuzhen Cheng