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Recently, a number of existing blockchain systems have witnessed major bugs and vulnerabilities within smart contracts. Although the literature features a number of proposals for securing smart contracts, these proposals mostly focus on…

Cryptography and Security · Computer Science 2018-12-17 Michael Rodler , Wenting Li , Ghassan O. Karame , Lucas Davi

Ethereum Smart Contracts based on Blockchain Technology (BT)enables monetary transactions among peers on a blockchain network independent of a central authorizing agency. Ethereum smart contracts are programs that are deployed as…

Cryptography and Security · Computer Science 2021-05-17 Noama Fatima Samreen , Manar H. Alalfi

Programming errors in Ethereum smart contracts can result in catastrophic financial losses from stolen cryptocurrency. While vulnerability detectors can prevent vulnerable contracts from being deployed, this does not mean that such…

Cryptography and Security · Computer Science 2021-09-03 Simon Joseph Aquilina , Fran Casino , Mark Vella , Joshua Ellul , Constantinos Patsakis

Smart contract vulnerabilities have led to significant financial losses, with their increasing complexity rendering outright prevention of hacks increasingly challenging. This trend highlights the crucial need for advanced forensic analysis…

Cryptography and Security · Computer Science 2025-04-15 Kaihua Qin , Zhe Ye , Zhun Wang , Weilin Li , Liyi Zhou , Chao Zhang , Dawn Song , Arthur Gervais

Smart contracts are self-enforcing agreements that are employed to exchange assets without the approval of trusted third parties. This feature has encouraged various sectors to make use of smart contracts when transacting. Experience shows…

Cryptography and Security · Computer Science 2021-03-18 Sabreen Ahmadjee , Carlos Mera-Gómez , Rami Bahsoon

The blockchain technology has been used for recording state transitions of smart contracts - decentralized applications that can be invoked through external transactions. Smart contracts gained popularity and accrued hundreds of billions of…

Cryptography and Security · Computer Science 2023-05-10 Nikolay Ivanov , Chenning Li , Qiben Yan , Zhiyuan Sun , Zhichao Cao , Xiapu Luo

Poorly designed smart contracts are particularly vulnerable, as they may allow attackers to exploit weaknesses and steal the virtual currency they manage. In this study, we train a model using unsupervised learning to identify…

Cryptography and Security · Computer Science 2025-04-15 Hong-Sheng Huang , Jen-Yi Ho , Hao-Wen Chen , Hung-Min Sun

Smart contracts are self-executing programs that run on blockchains (e.g., Ethereum). 680 million US dollars worth of digital assets controlled by smart contracts have been hacked or stolen due to various security vulnerabilities in 2021.…

Cryptography and Security · Computer Science 2022-04-26 Tanusree Sharma , Zhixuan Zhou , Andrew Miller , Yang Wang

Blockchain smart contracts have emerged as a transformative force in the digital realm, spawning a diverse range of compelling applications. Since solidity smart contracts across various domains manage trillions of dollars in virtual coins,…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-12-12 Zhiyuan Wei , Xianhao Zhang , Jing Sun , Zijian Zhang , Liehuang Zhu

Ethereum Smart contracts use blockchain to transfer values among peers on networks without central agency. These programs are deployed on decentralized applications running on top of the blockchain consensus protocol to enable people to…

Cryptography and Security · Computer Science 2021-05-10 Noama Fatima Samreen , Manar H. Alalfi

The Ethereum blockchain platform supports the execution of decentralised applications or smart contracts. These typically hold and transfer digital currency to other parties on the platform; however, they have been subject to numerous…

Programming Languages · Computer Science 2019-04-16 Franklin Schrans , Daniel Hails , Alexander Harkness , Sophia Drossopoulou , Susan Eisenbach

With the rapid advancement of blockchain technology, smart contracts have enabled the implementation of increasingly complex functionalities. However, ensuring the security of smart contracts remains a persistent challenge across the stages…

Cryptography and Security · Computer Science 2025-05-01 Yuchen Ding , Hongli Peng , Xiaoqi Li

Smart contracts on public blockchains now manage large amounts of value, and vulnerabilities in these systems can lead to substantial losses. As AI agents become more capable at reading, writing, and running code, it is natural to ask how…

With the frantic development of smart contracts on the Ethereum platform, its market value has also climbed. In 2016, people were shocked by the loss of nearly $50 million in cryptocurrencies from the DAO reentrancy attack. Due to the…

Software Engineering · Computer Science 2019-05-03 Xiaotao Feng , Qin Wang , Xiaogang Zhu , Sheng Wen

The wide application of Ethereum technology has brought technological innovation to traditional industries. As one of Ethereum's core applications, smart contracts utilize diverse contract codes to meet various functional needs and have…

Cryptography and Security · Computer Science 2024-07-02 Jiacheng Yao , Maolin Wang , Wanqi Chen , Chengxiang Jin , Jiajun Zhou , Shanqing Yu , Qi Xuan

Ethereum smart contracts are programs that are deployed and executed in a consensus-based blockchain managed by a peer-to-peer network. Several re-entrancy attacks that aim to steal Ether, the cryptocurrency used in Ethereum, stored in…

Cryptography and Security · Computer Science 2020-09-15 Yuichiro Chinen , Naoto Yanai , Jason Paul Cruz , Shingo Okamura

Context: Smart contract vulnerabilities pose significant security risks for the Ethereum ecosystem, driving the development of automated tools for detection and mitigation. Smart contracts are written in Solidity, a programming language…

Software Engineering · Computer Science 2025-04-09 Gerardo Iuliano , Davide Corradini , Michele Pasqua , Mariano Ceccato , Dario Di Nucci

Smart contracts on Ethereum handle millions of U.S. Dollars and other financial assets. In the past, attackers have exploited smart contracts to steal these assets. The Ethereum community has developed plenty of tools to detect vulnerable…

Cryptography and Security · Computer Science 2022-02-28 Chavhan Sujeet Yashavant , Saurabh Kumar , Amey Karkare

With the development of blockchain technology, more and more attention has been paid to the intersection of blockchain and education, and various educational evaluation systems and E-learning systems are developed based on blockchain…

Cryptography and Security · Computer Science 2023-03-09 Zhifeng Wang , Wanxuan Wu , Chunyan Zeng , Jialong Yao , Yang Yang , Hongmin Xu

Blockchain and Cryptocurrencies are gaining unprecedented popularity and understanding. Meanwhile, Ethereum is gaining a significant popularity in the blockchain community, mainly due to the fact that it is designed in a way that enables…

Cryptography and Security · Computer Science 2018-07-06 TonTon Hsien-De Huang