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Traditional security detection methods face three key challenges: inadequate data collection that misses critical security events, resource-intensive monitoring systems, and poor detection algorithms with high false positive rates. We…

Cryptography and Security · Computer Science 2025-06-06 Limin Wang , Lei Bu , Muzimiao Zhang , Shihong Cang , Kai Ye

The increasing prevalence of adversarial attacks on Artificial Intelligence (AI) systems has created a need for innovative security measures. However, the current methods of defending against these attacks often come with a high computing…

Cryptography and Security · Computer Science 2024-08-09 Duo Zhong , Bojing Li , Xiang Chen , Chenchen Liu

In recent years, Ethereum gained tremendously in popularity, growing from a daily transaction average of 10K in January 2016 to an average of 500K in January 2020. Similarly, smart contracts began to carry more value, making them appealing…

Cryptography and Security · Computer Science 2021-01-18 Christof Ferreira Torres , Antonio Ken Iannillo , Arthur Gervais , Radu State

Smart contract security has progressed from vulnerability detection toward a broader research agenda that includes semantic reasoning, automated repair, adversarial robustness, and real-time exploit detection. This paper develops a…

Cryptography and Security · Computer Science 2026-05-19 Tamer Abdelaziz

Cross-chain interoperability is a core component of modern blockchain infrastructure, enabling seamless asset transfers and composable applications across multiple blockchain ecosystems. However, the transparency of cross-chain messages can…

Computational Engineering, Finance, and Science · Computer Science 2025-11-20 Chuanlei Li , Zhicheng Sun , Jing Xin Yuu , Xuechao Wang

Billions of dollars are transacted through smart contracts, making vulnerabilities a major financial risk. One focus in the security arms race is on profitable vulnerabilities that attackers can exploit. Fuzzing is a key method for…

Cryptography and Security · Computer Science 2025-02-13 Ziqiao Kong , Cen Zhang , Maoyi Xie , Ming Hu , Yue Xue , Ye Liu , Haijun Wang , Yang Liu

Smart contracts have transformed decentralized finance by enabling programmable, trustless transactions. However, their widespread adoption and growing financial significance have attracted persistent and sophisticated threats, such as…

Cryptography and Security · Computer Science 2025-08-13 Pasquale De Rosa , Pascal Felber , Valerio Schiavoni

Financial markets are undergoing an unprecedented transformation. Technological advances have brought major improvements to the operations of financial services. While these advances promote improved accessibility and convenience,…

Trading and Market Microstructure · Quantitative Finance 2023-12-05 Agostino Capponi , Garud Iyengar , Jay Sethuraman

In recent years, blockchain technology has introduced decentralized finance (DeFi) as an alternative to traditional financial systems. DeFi aims to create a transparent and efficient financial ecosystem using smart contracts and emerging…

Computational Engineering, Finance, and Science · Computer Science 2024-03-14 Bingqiao Luo , Zhen Zhang , Qian Wang , Anli Ke , Shengliang Lu , Bingsheng He

The advent of smart contracts has enabled the rapid rise of Decentralized Finance (DeFi) on the Ethereum blockchain, offering substantial rewards in financial innovation and inclusivity. This growth, however, is accompanied by significant…

Social and Information Networks · Computer Science 2026-05-05 Shabnam Fazliani , Mohammad Mowlavi Sorond , Arsalan Masoudifard

Smart contracts, integral to blockchain ecosystems, enable decentralized applications to execute predefined operations without intermediaries. Their ability to enforce trustless interactions has made them a core component of platforms such…

Cryptography and Security · Computer Science 2025-06-10 Mesut Ozdag

Billions of dollars have been lost due to vulnerabilities in smart contracts. To counteract this, researchers have proposed attack frontrunning protections designed to preempt malicious transactions by inserting "whitehat" transactions…

Cryptography and Security · Computer Science 2024-09-11 Chaofan Shou , Yuanyu Ke , Yupeng Yang , Qi Su , Or Dadosh , Assaf Eli , David Benchimol , Doudou Lu , Daniel Tong , Dex Chen , Zoey Tan , Jacob Chia , Koushik Sen , Wenke Lee

Decentralized Finance (DeFi) is increasingly studied and adopted for its potential to provide accessible and transparent financial services. Analyzing how investors use DeFi is important for reaching a better understanding of their usage…

Social and Information Networks · Computer Science 2024-08-23 Natkamon Tovanich , Célestin Coquidé , Rémy Cazabet

With the increase of the adoption of blockchain technology in providing decentralized solutions to various problems, smart contracts have become more popular to the point that billions of US Dollars are currently exchanged every day through…

Cryptography and Security · Computer Science 2023-01-24 Feng Mi , Chen Zhao , Zhuoyi Wang , Sadaf MD Halim , Xiaodi Li , Zhouxiang Wu , Latifur Khan , Bhavani Thuraisingham

In decentralized finance (DeFi), lenders can offer flash loans to borrowers, i.e., loans that are only valid within a blockchain transaction and must be repaid with fees by the end of that transaction. Unlike normal loans, flash loans allow…

Programming Languages · Computer Science 2024-04-23 Zhiyang Chen , Sidi Mohamed Beillahi , Fan Long

In recent years, smart contracts have suffered major exploits, costing millions of dollars. Unlike traditional programs, smart contracts are deployed on a blockchain. As such, they cannot be modified once deployed. Though various tools have…

Cryptography and Security · Computer Science 2020-03-16 Christof Ferreira Torres , Mathis Baden , Robert Norvill , Beltran Borja Fiz Pontiveros , Hugo Jonker , Sjouke Mauw

The decentralized exchange (DEX) leverages smart contracts to trade digital assets for users on the blockchain. Developers usually develop several smart contracts into one project, implementing complex logic functions and multiple…

Software Engineering · Computer Science 2024-12-19 Zongwei Li , Wenkai Li , Xiaoqi Li , Yuqing Zhang

Decentralized applications (DApps) face significant security risks due to vulnerabilities in smart contracts, with traditional detection methods struggling to address emerging and machine-unauditable flaws. This paper proposes a novel…

Cryptography and Security · Computer Science 2026-02-03 Jiuyang Bu , Wenkai Li , Zongwei Li , Zeng Zhang , Xiaoqi Li

Much of the recent excitement around decentralized finance (DeFi) comes from hopes that DeFi can be a secure, private, less centralized alternative to traditional finance systems. However, people moving to DeFi sites in hopes of improving…

Cryptography and Security · Computer Science 2023-02-07 Philipp Winter , Anna Harbluk Lorimer , Peter Snyder , Benjamin Livshits

Smart contract vulnerabilities in Decentralized Finance caused over billions of dollars losses every year, yet the security community faces a critical bottleneck: identifying a vulnerability is not the same as proving it is exploitable.…

Cryptography and Security · Computer Science 2026-05-05 Ruichao Liang , Jing Chen , Xianglong Li , Huangpeng Gu , Yebo Feng , Yue Xue , Cong Wu , Yang Liu