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Smart contracts are increasingly being used to manage large numbers of high-value cryptocurrency accounts. There is a strong demand for automated, efficient, and comprehensive methods to detect security vulnerabilities in a given contract.…

Cryptography and Security · Computer Science 2023-04-14 Michael Rodler , David Paaßen , Wenting Li , Lukas Bernhard , Thorsten Holz , Ghassan Karame , Lucas Davi

While smart contracts are foundational elements of blockchain applications, their inherent susceptibility to security vulnerabilities poses a significant challenge. Existing training datasets employed for vulnerability detection tools may…

Cryptography and Security · Computer Science 2024-10-31 Cuong Tran Manh , Hieu Dinh Vo

Blockchain-based distributed computing platforms enable the trusted execution of computation - defined in the form of smart contracts - without trusted agents. Smart contracts are envisioned to have a variety of applications, ranging from…

Cryptography and Security · Computer Science 2018-02-28 Anastasia Mavridou , Aron Laszka

Smart contracts are a special type of programs running inside a blockchain. Immutable and transparent, they provide means to implement fault-tolerant and censorship-resistant services. Unfortunately, its immutability causes a serious…

Logic in Computer Science · Computer Science 2018-12-04 Evgeniy Shishkin

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

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

At present, millions of Ethereum smart contracts are created per year and attract financially motivated attackers. However, existing analyzers do not meet the need to precisely analyze the financial security of large numbers of contracts.…

Cryptography and Security · Computer Science 2024-03-06 Wansen Wang , Wenchao Huang , Zhaoyi Meng , Yan Xiong , Fuyou Miao , Xianjin Fang , Caichang Tu , Renjie Ji

Smart contracts are programs that are executed on a blockhain. They have been used for applications in voting, decentralized finance, and supply chain management. However, vulnerabilities in smart contracts have been abused by hackers,…

Programming Languages · Computer Science 2021-10-19 Timothy Mou , Michael Coblenz , Jonathan Aldrich

Blockchain technology has revolutionized contractual processes, enhancing efficiency and trust through smart contracts. Ethereum, as a pioneer in this domain, offers a platform for decentralized applications but is challenged by the…

Cryptography and Security · Computer Science 2025-04-16 Tahrim Hossain , Sakib Hassan , Faisal Haque Bappy , Muhammad Nur Yanhaona , Sarker Ahmed Rumee , Moinul Zaber , Tariqul Islam

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

The aim of this work is to study the use of decentralization and smart contracts on blockchain networks. We investigate the implementation and use of smart contracts on the platforms Bitcoin, Ethereum and Hyperledger Fabric. Additionally,…

Cryptography and Security · Computer Science 2019-03-13 Theodosis Mourouzis , Jayant Tandon

Truxen is a Trusted Computing enhanced blockchain that uses Proof of Integrity protocol as the consensus. Proof of Integrity protocol is derived from Trusted Computing and associated Remote Attestations, that can be used to vouch a node's…

Distributed, Parallel, and Cluster Computing · Computer Science 2019-04-18 Chao Zhang

Smart contracts are Turing-complete programs running on the blockchain. They cannot be modified, even when bugs are detected. The Selfdestruct function is the only way to destroy a contract on the blockchain system and transfer all the…

Software Engineering · Computer Science 2020-10-07 Jiachi Chen

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 are a major tool in Ethereum transactions. Therefore hackers can exploit them by adding code vulnerabilities to their sources and using these vulnerabilities for performing malicious transactions. This paper presents two…

Cryptography and Security · Computer Science 2024-08-19 Natan Katz

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…

Cryptography and Security · Computer Science 2025-06-25 Isaac David , Liyi Zhou , Dawn Song , Arthur Gervais , Kaihua Qin

We present VeriSmart, a highly precise verifier for ensuring arithmetic safety of Ethereum smart contracts. Writing safe smart contracts without unintended behavior is critically important because smart contracts are immutable and even a…

Programming Languages · Computer Science 2019-09-02 Sunbeom So , Myungho Lee , Jisu Park , Heejo Lee , Hakjoo Oh

We present Harvey, an industrial greybox fuzzer for smart contracts, which are programs managing accounts on a blockchain. Greybox fuzzing is a lightweight test-generation approach that effectively detects bugs and security vulnerabilities.…

Software Engineering · Computer Science 2019-05-17 Valentin Wüstholz , Maria Christakis

The Ethereum platform supports the decentralized execution of smart contracts, i.e. computer programs that transfer digital assets between users. The most common language used to develop these contracts is Solidity, a Javascript-like…

Programming Languages · Computer Science 2019-08-08 Massimo Bartoletti , Letterio Galletta , Maurizio Murgia

The Blockchain and the programs running on it, called Smart Contracts, are more and more applied in all fields requiring trust and strong certifications. In this work we compare public and permissioned blockchains for industrial…

Cryptography and Security · Computer Science 2020-05-07 Lodovica Marchesi , Michele Marchesi , Roberto Tonelli