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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

Adversarial smart contracts, mostly on EVM-compatible chains like Ethereum and BSC, are deployed as EVM bytecode to exploit vulnerable smart contracts for financial gain. Detecting such malicious contracts at the time of deployment is an…

Cryptography and Security · Computer Science 2025-11-17 Yating Liu , Xing Su , Hao Wu , Sijin Li , Yuxi Cheng , Fengyuan Xu , Sheng Zhong

This article conducts an extensive examination of the persisting challenges related to smart contract attacks within blockchain networks, with a particular focus on the reentrancy attack. It emphasizes the inherent vulnerabilities embedded…

Social and Information Networks · Computer Science 2023-10-05 Simone Casale-Brunet , Marco Mattavelli

Smart contracts are central to a myriad of critical blockchain applications, from financial transactions to supply chain management. However, their adoption is hindered by security vulnerabilities that can result in significant financial…

Cryptography and Security · Computer Science 2025-09-30 Dalila Ressi , Alvise Spanò , Lorenzo Benetollo , Carla Piazza , Michele Bugliesi , Sabina Rossi

As blockchain technology continues to evolve, the security of smart contracts has increasingly drawn attention from both academia and industry. The Move language, with its unique resource model and linear type system, provides a solid…

Cryptography and Security · Computer Science 2026-02-03 Yuhe Luo , Zhongwen Li , Xiaoqi Li

Blockchain has become particularly popular due to its promise to support business-critical services in very different domains (e.g., retail, supply chains, healthcare). Blockchain systems rely on complex middleware, like Ethereum or…

Software Engineering · Computer Science 2020-10-23 Ákos Hajdu , Naghmeh Ivaki , Imre Kocsis , Attila Klenik , László Gönczy , Nuno Laranjeiro , Henrique Madeira , András Pataricza

Smart contracts are software programs featuring both traditional applications and distributed data storage on blockchains. Ethereum is a prominent blockchain platform with the support of smart contracts. The smart contracts act as…

Cryptography and Security · Computer Science 2020-09-18 Purathani Praitheeshan , Lei Pan , Jiangshan Yu , Joseph Liu , Robin Doss

Smart contracts on the blockchain offer decentralized financial services but often lack robust security measures, leading to significant economic losses. While substantial research has focused on identifying vulnerabilities in smart…

Cryptography and Security · Computer Science 2024-10-18 Youwei Huang , Sen Fang , Jianwen Li , Bin Hu , Tao Zhang

Smart Contracts (SCs) handle transactions in the Ethereum blockchain worth millions of United States dollars, making them a lucrative target for attackers seeking to exploit vulnerabilities and steal funds. The Ethereum community has…

Cryptography and Security · Computer Science 2024-12-16 Chavhan Sujeet Yashavant , MitrajSinh Chavda , Saurabh Kumar , Amey Karkare , Angshuman Karmakar

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

Reentrancy, a notorious vulnerability in smart contracts, has led to millions of dollars in financial loss. However, current smart contract vulnerability detection tools suffer from a high false positive rate in identifying contracts with…

Cryptography and Security · Computer Science 2024-03-29 Shuo Yang , Jiachi Chen , Mingyuan Huang , Zibin Zheng , Yuan Huang

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 2022-03-03 Noama Fatima Samreen , Manar H. Alalfi

A widespread belief in the blockchain security community is that automated techniques are only good for detecting shallow bugs, typically of small value. In this paper, we present the techniques and insights that have led us to repeatable…

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

Obfuscation raises the interpretation cost of smart-contract auditing, yet its signals are hard to transfer across chains. We present HOBFNET, a fast surrogate of OBFPROBE, enabling million-scale cross-chain scoring. The model aligns with…

Cryptography and Security · Computer Science 2026-02-02 Yao Zhao , Zhang Sheng , Shengchen Duan , Shen Wang , Daoyuan Wu , Zhiyuan Wan

Smart Contracts (SCs) are programs stored in a Blockchain to ensure agreements between two or more parties. Due to the unchangeable essence of Blockchain, failures or errors in SCs become perpetual once published. The reliability of SCs is…

Smart contracts are self-executing programs that manage financial transactions on blockchain networks. Developers commonly rely on third-party code libraries to improve both efficiency and security. However, improper use of these libraries…

Software Engineering · Computer Science 2026-04-02 Yishun Wang , Wenkai Li , Xiaoqi Li , Zongwei Li , Lei Xie , Yuqing Zhang

The NFT ecosystem represents an interconnected, decentralized environment that encompasses the creation, distribution, and trading of Non-Fungible Tokens (NFTs), where key actors, such as marketplaces, sellers, and buyers, utilize smart…

Software Engineering · Computer Science 2025-12-22 Yujing Chen , Xuanming Liu , Zhiyuan Wan , Zuobin Wang , David Lo , Difan Xie , Xiaohu Yang

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

As the Ethereum platform continues to mature and gain widespread usage, it is crucial to maintain high standards of smart contract writing practices. While bad practices in smart contracts may not directly lead to security issues, they…

Cryptography and Security · Computer Science 2026-02-03 Xiaoqi Li , Zongwei Li , Wenkai Li , Yuqing Zhang , Xin Wang