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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…

Cryptography and Security · Computer Science 2023-04-10 Sajad Meisami , William Edward Bodell

Recent years have seen smart contracts are getting increasingly popular in building trustworthy decentralized applications. Previous research has proposed static and dynamic techniques to detect vulnerabilities in smart contracts. These…

Software Engineering · Computer Science 2022-07-06 Jiaming Ye , Mingliang Ma , Yun Lin , Lei Ma , Yinxing Xue , Jianjun Zhao

Smart contracts have significantly advanced blockchain technology, and digital signatures are crucial for reliable verification of contract authority. Through signature verification, smart contracts can ensure that signers possess the…

Cryptography and Security · Computer Science 2025-11-13 Zexu Wang , Jiachi Chen , Zewei Lin , Wenqing Chen , Kaiwen Ning , Jianxing Yu , Yuming Feng , Yu Zhang , Weizhe Zhang , Zibin Zheng

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

Smart contracts are a critical component of blockchain systems. Due to the large amount of digital assets carried by smart contracts, their security is of critical importance. Although numerous tools have been developed for detecting smart…

Software Engineering · Computer Science 2026-04-21 Jingwen Zhang , Yuhong Nan , Kaiwen Ning , Mingxi Ye , Wei Li , Yuming Xiao , Yuming Feng , Weizhe Zhang , Zibin Zheng

Smart contracts have recently been adopted by many security protocols. However, existing studies lack satisfactory theoretical support on how contracts benefit security protocols. This paper aims to give a systematic analysis of smart…

Cryptography and Security · Computer Science 2022-04-21 Rujia Li , Qin Wang , Qi Wang , David Galindo

The growing adoption of smart contracts on blockchains poses new security risks that can lead to significant monetary loss, while existing approaches either provide no (or partial) security guarantees for smart contracts or require huge…

Programming Languages · Computer Science 2021-03-04 Shaokai Lin , Xinyuan Sun , Jianan Yao , Ronghui Gu

The previous smart contract code comment (SCC) generation approaches can be divided into two categories: fine-tuning paradigm-based approaches and information retrieval-based approaches. However, for the fine-tuning paradigm-based…

Software Engineering · Computer Science 2024-01-17 Junjie Zhao , Xiang Chen , Guang Yang , Yiheng Shen

The evaluation of smart contract reputability is essential to foster trust in decentralized ecosystems. However, existing methods that rely solely on code analysis or transactional data, offer limited insight into evolving trustworthiness.…

Machine Learning · Computer Science 2025-04-01 Cyrus Malik , Josef Bajada , Joshua Ellul

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

We introduce the MoveEVM Weakness Classification (MWC) system -- a dedicated vulnerability taxonomy for smart contracts built with Move and executed in EVM-compatible environments. While Move was originally designed to prevent common…

Cryptography and Security · Computer Science 2025-05-27 Selçuk Topal

Smart contracts are programs deployed on a blockchain and are immutable once deployed. Reentrancy, one of the most important vulnerabilities in smart contracts, has caused millions of dollars in financial loss. Many reentrancy detection…

Software Engineering · Computer Science 2023-03-27 Zibin Zheng , Neng Zhang , Jianzhong Su , Zhijie Zhong , Mingxi Ye , Jiachi Chen

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

The automated program repair field has attracted substantial interest over the years, but despite significant research efforts, creating a system that works well for complex semantic bugs such as security vulnerabilities has proven…

Cryptography and Security · Computer Science 2024-02-26 Berkay Berabi , Alexey Gronskiy , Veselin Raychev , Gishor Sivanrupan , Victor Chibotaru , Martin Vechev

Smart contracts are prone to various vulnerabilities, leading to substantial financial losses over time. Current analysis tools mainly target vulnerabilities with fixed control or data-flow patterns, such as re-entrancy and integer…

Cryptography and Security · Computer Science 2024-05-07 Yuqiang Sun , Daoyuan Wu , Yue Xue , Han Liu , Haijun Wang , Zhengzi Xu , Xiaofei Xie , Yang Liu

Smart contracts play a vital role in the Ethereum ecosystem. Due to the prevalence of kinds of security issues in smart contracts, the smart contract verification is urgently needed, which is the process of matching a smart contract's…

Cryptography and Security · Computer Science 2023-07-04 Pengxiang Ma , Ningyu He , Yuhua Huang , Haoyu Wang , Xiapu Luo

The rapid growth of Ethereum has made it more important to quickly and accurately detect smart contract vulnerabilities. While machine-learning-based methods have shown some promise, many still rely on rule-based preprocessing designed by…

Cryptography and Security · Computer Science 2025-12-15 Uisang Lee , Changhoon Chung , Junmo Lee , Soo-Mook Moon

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

Smart contract (SC) is an extension of BlockChain technology. Ethereum BlockChain was the first to incorporate SC and thus started a new era of crypto-currencies and electronic transactions. Solidity helps to program the SCs. Still, soon…

Cryptography and Security · Computer Science 2021-01-01 Zulfiqar Ali Khan , Akbar Siami Namin

Smart contracts can implement and automate parts of legal contracts, but ensuring their legal compliance remains challenging. Existing approaches such as formal specification, verification, and model-based development require expertise in…

Software Engineering · Computer Science 2025-06-03 Chanuka Wijayakoon , Hai Dong , H. M. N. Dilum Bandara , Zahir Tari , Anurag Soin
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