English
Related papers

Related papers: Smart Contract Assisted Blockchain based PKI Syste…

200 papers

Multiple-operators (multi-OPs) spectrum sharing mechanism can effectively improve the spectrum utilization in fifth-generation (5G) wireless communication networks. The secondary users are introduced to opportunistically access the licensed…

Networking and Internet Architecture · Computer Science 2020-05-07 Shuang Zheng , Tao Han , Yuna Jiang , Xiaohu Ge

Smart contracts are stateful programs deployed on blockchains; they secure over a trillion dollars in transaction value per year. High-stakes smart contracts often rely on timely alerts about external events, but prior work has not analyzed…

Cryptography and Security · Computer Science 2026-04-14 Marwa Mouallem , Lorenz Breidenbach , Ittay Eyal , Ari Juels

With the proliferation of new technologies such as Internet of Things (IOT) and Software-Defined Networking(SDN) in the recent years, the distributed denial of service (DDoS)attack vector has broadened and opened new opportunities for more…

Cryptography and Security · Computer Science 2022-02-09 Rajasekhar Chaganti , Bharat Bhushan , Vinayakumar Ravi

Blockchain platforms and smart contracts are vulnerable to security breaches. Security breaches of smart contracts have led to huge financial losses in terms of cryptocurrencies and tokens. In this paper, we present a systematic survey of…

Cryptography and Security · Computer Science 2022-12-16 S. Vani , M. Doshi , A. Nanavati , A. Kundu

The development of blockchain technologies has enabled the trustless execution of so-called smart contracts, i.e. programs that regulate the exchange of assets (e.g., cryptocurrency) between users. In a decentralized blockchain, the state…

Programming Languages · Computer Science 2020-04-28 Massimo Bartoletti , Letterio Galletta , Maurizio Murgia

In the growing field of blockchain technology, smart contracts exist as transformative digital agreements that execute transactions autonomously in decentralised networks. However, these contracts face challenges in the form of security…

Cryptography and Security · Computer Science 2024-07-12 Christopher De Baets , Basem Suleiman , Armin Chitizadeh , Imran Razzak

We propose a smart contract that allows two mutually distrusting parties to transact any non-digital good or service by deploying a smart contract on a blockchain to act as escrow. The contract settles disputes by letting parties wager that…

Computer Science and Game Theory · Computer Science 2023-04-05 Nikolaj Ignatieff Schwartzbach

A blockchain-based smart contract or a "smart contract" for short, is a computer program intended to digitally facilitate the negotiation or contractual terms directly between users when certain conditions are met. With the advance in…

Computers and Society · Computer Science 2019-06-11 Yining Hu , Madhusanka Liyanage , Ahsan Mansoor , Kanchana Thilakarathna , Guillaume Jourjon , Aruna Seneviratne

Smart contract security has progressed from vulnerability detection toward a broader research agenda that includes semantic reasoning, automated repair, adversarial robustness, and real-time exploit detection. This paper develops a…

Cryptography and Security · Computer Science 2026-05-19 Tamer Abdelaziz

This paper presents an architecture of a Personal Information Management System, in which individuals can define the access to their personal data by means of smart contracts. These smart contracts, running on the Ethereum blockchain,…

Cryptography and Security · Computer Science 2021-01-27 Mirko Zichichi , Stefano Ferretti , Gabriele D'Angelo , Víctor Rodríguez-Doncel

In this paper we discuss how conventional business contracts can be converted into smart contracts---their electronic equivalents that can be used to systematically monitor and enforce contractual rights, obligations and prohibitions at run…

Computers and Society · Computer Science 2018-05-03 Carlos Molina-Jimenez , Ellis Solaiman , Ioannis Sfyrakis , Irene Ng , Jon Crowcroft

The Transport Layer Security (TLS) protocol and its public-key infrastructure (PKI) are widely used in the Internet to achieve secure communication. Validating domain ownership by trusted certification authorities (CAs) is a critical step…

Cryptography and Security · Computer Science 2020-03-31 Pawel Szalachowski

Denial of Service (DoS) attacks are a growing threat in network services. The frequency and intensity of DoS attacks are rapidly increasing day by day. The immense financial potential of the Cryptocurrency market is a prevalent target of…

Cryptography and Security · Computer Science 2022-05-27 Mayank Raikwar , Danilo Gligoroski

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

Ethereum smart contracts are programs that can be collectively executed by a network of mutually untrusted nodes. Smart contracts handle and transfer assets of values, offering strong incentives for malicious attacks. Intrusion attacks are…

Software Engineering · Computer Science 2019-11-28 Xinming Wang , Jiahao He , Zhijian Xie , Gansen Zhao , Shing-Chi Cheung

Decentralized Online Social Networks (DOSNs) have been proposed as an alternative solution to the current centralized Online Social Networks (OSNs). Online Social Networks are based on centralized architecture (e.g., Facebook, Twitter, or…

Cryptography and Security · Computer Science 2019-10-29 Mohsin Ur Rahman , Fabrizio Baiardi , Barbara Guidi , Laura Ricci

Smart contracts form the core of Web3 applications. Contracts mediate the transfer of cryptocurrency, making them irresistible targets for hackers. We introduce ASP, a system aimed at easing the construction of provably secure contracts.…

Cryptography and Security · Computer Science 2024-11-25 Devora Chait-Roth , Kedar S. Namjoshi

The growth of the decentralized finance (DeFi) ecosystem built on blockchain technology and smart contracts has led to an increased demand for secure and reliable smart contract development. However, attacks targeting smart contracts are…

The industrial market continuously needs reliable solutions to secure autonomous systems. Especially as these systems become more complex and interconnected, reliable security solutions are becoming increasingly important. One promising…

Cryptography and Security · Computer Science 2025-06-30 Önder Gürcan

Denial of Service (DoS) and Distributed Denial of Service (DDoS) attacks have emerged as a popular means of causing collection particular overhaul disruptions, often for total periods of instance. The relative ease and low costs of…

Cryptography and Security · Computer Science 2013-02-22 Saravanan Kumarasamy , Dr. R. Asokan