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Ethereum has officially provided a set of system-level cryptographic APIs to enhance smart contracts with cryptographic capabilities. These APIs have been utilized in over 10% of Ethereum transactions, motivating developers to implement…

Cryptography and Security · Computer Science 2024-08-12 Jiashuo Zhang , Yiming Shen , Jiachi Chen , Jianzhong Su , Yanlin Wang , Ting Chen , Jianbo Gao , Zhong Chen

Smart contracts are autonomous and immutable pieces of code that are deployed on blockchain networks and run by miners. They were first introduced by Ethereum in 2014 and have since been used for various applications such as security…

Software Engineering · Computer Science 2024-07-08 Mahdi Fooladgar , Fathiyeh Faghih

The security of smart contracts, which are an important part of blockchain technology, has attracted much attention. In particular, reentrancy vulnerability, which is hidden and complex, poses a great threat to smart contracts. In order to…

Cryptography and Security · Computer Science 2023-12-27 Chang Chu

Smart Contract Vulnerability Detection (SCVD) is crucial to guarantee the quality of blockchain-based systems. Graph neural networks have been shown to be effective in learning semantic representations of smart contract code and are…

Cryptography and Security · Computer Science 2024-07-09 Yizhou Chen

Smart contract vulnerability detection remains a major challenge in blockchain security. Existing vulnerability detection methods face two main issues: (1) Existing datasets lack comprehensive coverage and high-quality explanations for…

Cryptography and Security · Computer Science 2025-06-24 Lei Yu , Zhirong Huang , Hang Yuan , Shiqi Cheng , Li Yang , Fengjun Zhang , Chenjie Shen , Jiajia Ma , Jingyuan Zhang , Junyi Lu , Chun Zuo

Smart contracts written in Solidity are programs used in blockchain networks, such as Etherium, for performing transactions. However, as with any piece of software, they are prone to errors and may present vulnerabilities, which malicious…

Logic in Computer Science · Computer Science 2021-11-29 Kunjian Song , Nedas Matulevicius , Eddie B. de Lima Filho , Lucas C. Cordeiro

Front-running attacks have been a major concern on the blockchain. Attackers launch front-running attacks by inserting additional transactions before upcoming victim transactions to manipulate victim transaction executions and make profits.…

Software Engineering · Computer Science 2023-05-04 Wuqi Zhang , Lili Wei , Shing-Chi Cheung , Yepang Liu , Shuqing Li , Lu Liu , Michael R. Lyu

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

Decompiler is a specialized type of reverse engineering tool extensively employed in program analysis tasks, particularly in program comprehension and vulnerability detection. However, current Solidity smart contract decompilers face…

Software Engineering · Computer Science 2025-10-17 Zeqin Liao , Yuhong Nan , Zixu Gao , Henglong Liang , Sicheng Hao , Peifan Reng , Zibin Zheng

Ethereum is the largest blockchain platform that supports smart contracts. Users deploy smart contracts by publishing the smart contract's bytecode to the blockchain. Since the data in the blockchain cannot be modified, even if these…

Software Engineering · Computer Science 2020-09-07 Pengcheng Zhang , Feng Xiao , Xiapu Luo

This paper presents VulnSense framework, a comprehensive approach to efficiently detect vulnerabilities in Ethereum smart contracts using a multimodal learning approach on graph-based and natural language processing (NLP) models. Our…

Cryptography and Security · Computer Science 2023-09-18 Phan The Duy , Nghi Hoang Khoa , Nguyen Huu Quyen , Le Cong Trinh , Vu Trung Kien , Trinh Minh Hoang , Van-Hau Pham

Smart contracts are blockchain programs that often handle valuable assets. Writing secure smart contracts is far from trivial, and any vulnerability may lead to significant financial losses. To support developers in identifying and…

Cryptography and Security · Computer Science 2023-06-09 Monika di Angelo , Thomas Durieux , João F. Ferreira , Gernot Salzer

Although blockchains aim for immutability as their core feature, several instances have exposed the harms with perfect immutability. The permanence of illicit content inserted in Bitcoin poses a challenge to law enforcement agencies like…

Cryptography and Security · Computer Science 2021-03-12 Sri Aravinda Krishnan Thyagarajan , Adithya Bhat , Bernardo Magri , Daniel Tschudi , Aniket Kate

This study analyzes the application of code-generating Large Language Models in the creation of immutable Solidity smart contracts on the Ethereum Blockchain. Other works have previously analyzed Artificial Intelligence code generation…

Software Engineering · Computer Science 2024-11-06 Siddhartha Chatterjee , Bina Ramamurthy

With the rise in using immature smart contract programming languages to build a decentralized application, more vulnerabilities have been introduced to the Blockchain and were the main reasons behind critical financial losses. Moreover, the…

Cryptography and Security · Computer Science 2023-12-04 Oualid Zaazaa , Hanan El Bakkali

Smart contracts are essential for managing digital assets in blockchain networks, highlighting the need for effective security measures. This paper introduces SmartLLMSentry, a novel framework that leverages large language models (LLMs),…

Cryptography and Security · Computer Science 2024-12-02 Oualid Zaazaa , Hanan El Bakkali

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

Ethereum smart contracts are executable programs, deployed on a peer-to-peer network and executed in a consensus-based fashion. Their bytecode is public, immutable and once deployed to the blockchain, cannot be patched anymore. As smart…

Cryptography and Security · Computer Science 2019-07-10 Konrad Weiss , Julian Schütte

Smart contracts, known for their immutable nature to ensure trust via automated enforcement, have evolved to require upgradeability due to unforeseen vulnerabilities and the need for feature enhancements post-deployment. This contradiction…

Software Engineering · Computer Science 2024-07-02 Ilham Qasse , Mohammad Hamdaqa , Björn Þór Jónsson

Smart Contract Reusable Components(SCRs) play a vital role in accelerating the development of business-specific contracts by promoting modularity and code reuse. However, the risks associated with SCR usage violations have become a growing…

Software Engineering · Computer Science 2025-11-17 Xingshuang Lin , Binbin Zhao , Jinwen Wang , Qinge Xie , Xibin Zhao , Shouling Ji