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Blockchain is a core technology to manage the value of cryptocurrencies, or to record trails of important business trades. The Smart Contract on blockchain is expected to improve security on blockchain system with automated operation, but…

Cryptography and Security · Computer Science 2020-01-07 Shingo Fujimoto , Yoshiki Higashikado , Takuma Takeuchi

Smart contracts are appealing because they are self-executing business agreements between parties with the predefined and immutable obligations and rights. However, as with all software, smart contracts may contain vulnerabilities because…

Software Engineering · Computer Science 2019-12-10 Weifeng Xu , Glenn A. Fink

This paper introduces CrossLink, a decentralized framework for secure cross-chain smart contract execution that effectively addresses the inherent limitations of contemporary solutions, which primarily focus on asset transfers and rely on…

Cryptography and Security · Computer Science 2025-10-23 Tahrim Hossain , Faisal Haque Bappy , Tarannum Shaila Zaman , Tariqul Islam

High performance computing clusters operating in shared and batch mode pose challenges for processing sensitive data. In the meantime, the need for secure processing of sensitive data on HPC system is growing. In this work we present a…

Cryptography and Security · Computer Science 2021-03-30 Michel Scheerman , Narges Zarrabi , Martijn Kruiten , Maxime Mogé , Lykle Voort , Annette Langedijk , Ruurd Schoonhoven , Tom Emery

Threat information sharing is considered as one of the proactive defensive approaches for enhancing the overall security of trusted partners. Trusted partner organizations can provide access to past and current cybersecurity threats for…

Cryptography and Security · Computer Science 2021-12-21 Hisham Ali , Pavlos Papadopoulos , Jawad Ahmad , Nikolaos Pitropakis , Zakwan Jaroucheh , William J. Buchanan

With technological advances and the establishment of e-commerce models, business challenges have shifted to online platforms. The promise of embedding self-executing and autonomous programs into blockchain technologies has attracted…

Computers and Society · Computer Science 2022-08-03 Kamal Kishor Singh

Secure Multi-Party Computation (MPC) is an area of cryptography that enables computation on sensitive data from multiple sources while maintaining privacy guarantees. However, theoretical MPC protocols often do not scale efficiently to…

Cryptography and Security · Computer Science 2019-01-03 Valerie Chen , Valerio Pastro , Mariana Raykova

This paper describes a decentralized low-cost system designed to reinforce personal security in big events in case of emergency. The proposal consists of using smart contracts supported by blockchain in the management of events. An…

Cryptography and Security · Computer Science 2022-08-17 Alexandra Rivero-García , Iván Santos-González , Candelaria Hernández-Goya , Pino Caballero-Gil

With the advent of blockchain technologies, the idea of decentralized applications has gained traction. Smart contracts permit the implementation of application logic to foster distributed systems that are capable of removing…

Distributed, Parallel, and Cluster Computing · Computer Science 2019-02-12 Martin Westerkamp

Because FPGAs outperform traditional processing cores like CPUs and GPUs in terms of performance per watt and flexibility, they are being used more and more in cloud and data center applications. There are growing worries about the security…

Cryptography and Security · Computer Science 2022-09-26 Muhammed Kawser Ahmed , Sujan Kumar Saha , Christophe Bobda

Infrastructure maintenance is inherently complex, especially for widely dispersed transport systems like roads and railroads. Maintaining this infrastructure involves multiple partners working together to ensure safe, efficient upkeep that…

Computers and Society · Computer Science 2024-10-29 Fatjon Seraj

Bitcoin has attracted everyone's attention and interest recently. Ethereum (ETH), a second generation cryptocurrency, extends Bitcoin's design by offering a Turing-complete programming language called Solidity to develop smart contracts.…

Programming Languages · Computer Science 2018-04-05 Jiao Jiao , Shuanglong Kan , Shang-Wei Lin , David Sanan , Yang Liu , Jun Sun

In an increasingly complex contractual landscape, the demand for transparency, security, and efficiency has intensified. Blockchain technology, with its decentralized and immutable nature, addresses these challenges by reducing intermediary…

Cryptography and Security · Computer Science 2025-07-23 Lambard Maxence , Bertelle Cyrille , Duvallet Claude

Recent attention on secure multiparty computation and blockchain technology has garnered new interest in developing auction protocols in a decentralized setting. In this paper, we propose a secure and private Vickrey auction protocol that…

Cryptography and Security · Computer Science 2023-05-01 Lucy Klinger , Mengfan Lyu , Lei Zhang

Smart contracts are programs running on cryptocurrency (e.g., Ethereum) blockchains, whose popularity stem from the possibility to perform financial transactions, such as payments and auctions, in a distributed environment without need for…

Cryptography and Security · Computer Science 2018-04-24 Ilya Grishchenko , Matteo Maffei , Clara Schneidewind

This document is a technical overview and discussion of our work, a protocol for secure group messaging. By secure we mean for the actual users i.e. end-to-end security, as opposed to "secure" for irrelevant third parties. Our work provides…

Cryptography and Security · Computer Science 2016-06-16 Ximin Luo , Guy Kloss

In [3], the authors proposed a highly efficient secure and privacy-preserving scheme for secure vehicular communications. The proposed scheme consists of four protocols: system setup, protocol for STP and STK distribution, protocol for…

Cryptography and Security · Computer Science 2015-08-10 Lei Zhang , Chuanyan Hu , Qianhong Wu , Josep Domingo-Ferrer , Bo Qin

Blockchain technology and artificial intelligence (AI) are current hot topics in research and practice. However, the potentials of their combination have been studied just recently to a larger extend. While different use cases for combining…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-03-24 Philipp Brune

Performance of distributed data center applications can be improved through use of FPGA-based SmartNICs, which provide additional functionality and enable higher bandwidth communication. Until lately, however, the lack of a simple approach…

Cryptography and Security · Computer Science 2022-04-12 Rushi Patel , Pouya Haghi , Shweta Jain , Andriy Kot , Venkata Krishnan , Mayank Varia , Martin Herbordt

Smart contracts are a secure and trustworthy application that plays a vital role in decentralized applications in various fields such as insurance,the internet, and gaming. However, in recent years, smart contract security breaches have…

Cryptography and Security · Computer Science 2026-01-19 Jixuan Wu , Lei Xie , Xiaoqi Li