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Vulnerabilities of Ethereum smart contracts often cause serious financial damage. Whereas the Solidity compiler has been updated to prevent vulnerabilities, its effectiveness has not been revealed so far, to the best of our knowledge. In…

密码学与安全 · 计算机科学 2023-06-08 Chihiro Kado , Naoto Yanai , Jason Paul Cruz , Kyosuke Yamashita , Shingo Okamura

Software developers share programming solutions in Q&A sites like Stack Overflow. The reuse of crowd-sourced code snippets can facilitate rapid prototyping. However, recent research shows that the shared code snippets may be of low quality…

软件工程 · 计算机科学 2021-01-21 Morteza Verdi , Ashkan Sami , Jafar Akhondali , Foutse Khomh , Gias Uddin , Alireza Karami Motlagh

Smart Contracts are essential blockchain components, mainly written in Solidity. The high availability of public Solidity code leads to frequent reuse and high clone ratios. Since cloning can propagate vulnerabilities and flaws, effective…

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…

密码学与安全 · 计算机科学 2022-03-03 Noama Fatima Samreen , Manar H. Alalfi

Ethereum smart contracts are programs that run on the Ethereum blockchain, and many smart contract vulnerabilities have been discovered in the past decade. Many security analysis tools have been created to detect such vulnerabilities, but…

密码学与安全 · 计算机科学 2021-01-11 Nami Ashizawa , Naoto Yanai , Jason Paul Cruz , Shingo Okamura

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…

软件工程 · 计算机科学 2019-05-03 Xiaotao Feng , Qin Wang , Xiaogang Zhu , Sheng Wen

The widespread lack of broad source code verification on blockchain explorers such as Etherscan, where despite 78,047,845 smart contracts deployed on Ethereum (as of May 26, 2025), a mere 767,520 (< 1%) are open source, presents a severe…

密码学与安全 · 计算机科学 2025-06-25 Isaac David , Liyi Zhou , Dawn Song , Arthur Gervais , Kaihua Qin

Blockchain programs (also known as smart contracts) manage valuable assets like cryptocurrencies and tokens, and implement protocols in domains like decentralized finance (DeFi) and supply-chain management. These types of applications…

密码学与安全 · 计算机科学 2023-11-09 Monika di Angelo , Thomas Durieux , João F. Ferreira , Gernot Salzer

An important problem in smart contract security is understanding the likelihood and criticality of discovered, or potential, weaknesses in contracts. In this paper we provide a summary of Ethereum smart contract audits performed for 23…

软件工程 · 计算机科学 2020-01-13 Alex Groce , Josselin Feist , Gustavo Grieco , Michael Colburn

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…

密码学与安全 · 计算机科学 2021-05-10 Noama Fatima Samreen , Manar H. Alalfi

In this work, we provide a comprehensive survey of smart contract upgradability patterns using proxies. A primary characteristic of smart contracts on the Ethereum blockchain is that they are immutable once implemented, no changes can be…

密码学与安全 · 计算机科学 2023-04-10 Sajad Meisami , William Edward Bodell

Smart contract technology facilitates self-executing agreements on the blockchain, eliminating dependency on an external trusted authority. However, smart contracts may expose vulnerabilities that can lead to financial losses and…

密码学与安全 · 计算机科学 2026-01-14 Emre Balci , Timucin Aydede , Gorkem Yilmaz , Ece Gelal Soyak

As a blockchain platform that has developed vigorously in recent years, Ethereum is different from Bitcoin in that it introduces smart contracts into blockchain.Solidity is one of the most mature and widely used smart contract programming…

软件工程 · 计算机科学 2019-11-25 Pengcheng Zhang , Feng Xiao , Xiapu Luo

The Ethereum Virtual Machine (EVM) is a decentralized computing engine. It enables the Ethereum blockchain to execute smart contracts and decentralized applications (dApps). The increasing adoption of Ethereum sparked the rise of phishing…

密码学与安全 · 计算机科学 2025-06-25 Pasquale De Rosa , Simon Queyrut , Yérom-David Bromberg , Pascal Felber , Valerio Schiavoni

Smart contract, one of the most successful applications of blockchain, is taking the world by storm, playing an essential role in the blockchain ecosystem. However, frequent smart contract security incidents not only result in tremendous…

密码学与安全 · 计算机科学 2022-09-14 Peng Qian , Zhenguang Liu , Qinming He , Butian Huang , Duanzheng Tian , Xun Wang

The large-scale deployment of Solidity smart contracts on the Ethereum mainnet has increasingly attracted financially-motivated attackers in recent years. A few now-infamous attacks in Ethereum's history includes DAO attack in 2016 (50…

密码学与安全 · 计算机科学 2024-10-29 Md Tauseef Alam , Raju Halder , Abyayananda Maiti

Smart contracts hold digital coins worth billions of dollars, their security issues have drawn extensive attention in the past years. Towards smart contract vulnerability detection, conventional methods heavily rely on fixed expert rules,…

机器学习 · 计算机科学 2021-06-18 Zhenguang Liu , Peng Qian , Xiang Wang , Lei Zhu , Qinming He , Shouling Ji

Recent attacks exploiting errors in smart contract code had devastating consequences thereby questioning the benefits of this technology. It is currently highly challenging to fix errors and deploy a patched contract in time. Instant…

密码学与安全 · 计算机科学 2020-10-05 Michael Rodler , Wenting Li , Ghassan O. Karame , Lucas Davi

The rise of decentralized applications (dApps) has made smart contracts imperative components of blockchain technology. As many smart contracts process financial transactions, their security is paramount. Moreover, the immutability of…

分布式、并行与集群计算 · 计算机科学 2024-07-24 Khalid Hassan , Saeed Moradi , Shaiful Chowdhury , Sara Rouhani

As the development of Solidity contracts on Ethereum, more developers are reusing them on other compatible blockchains. However, developers may overlook the differences between the designs of the blockchain system, such as the Gas Mechanism…

软件工程 · 计算机科学 2025-04-14 Zexu Wang , Jiachi Chen , Tao Zhang , Yu Zhang , Weizhe Zhang , Yuming Feng , Zibin Zheng