中文
相关论文

相关论文: Safeguarding DeFi Smart Contracts against Oracle D…

200 篇论文

Lending protocols are one of the main applications of Decentralized Finance (DeFi), enabling crypto-assets loan markets with a total value estimated in the tens of billions of dollars. Unlike traditional lending systems, these protocols…

计算机科学与博弈论 · 计算机科学 2025-06-19 Massimo Bartoletti , Enrico Lipparini

Smart contracts underpin high-value ecosystems such as decentralized finance (DeFi), yet recurring vulnerabilities continue to cause losses worth billions of dollars. Although numerous security analyzers that detect such flaws exist,…

密码学与安全 · 计算机科学 2026-03-03 Tamer Abdelaziz , Salma Alsaghir , Karim Ali

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…

计算工程、金融与科学 · 计算机科学 2024-03-14 Bingqiao Luo , Zhen Zhang , Qian Wang , Anli Ke , Shengliang Lu , Bingsheng He

Smart contracts are a secure and trustworthy application that plays a vital role in decentralized applications in various fields such as insurance,the internet, and gaming. However, in recent years, smart contract security breaches have…

密码学与安全 · 计算机科学 2026-01-19 Jixuan Wu , Lei Xie , Xiaoqi Li

Smart contracts codify real-world transactions and automatically execute the terms of the contract when predefined conditions are met. This paper proposes SmartML, a modeling language for smart contracts that is platform independent and…

软件工程 · 计算机科学 2024-07-01 Adele Veschetti , Richard Bubel , Reiner Hähnle

In this paper, we analyze various Decentralized Finance (DeFi) protocols in terms of their token distributions. We propose an iterative mapping process that allows us to split aggregate token holdings from custodial and escrow contracts and…

综合经济学 · 经济学 2020-12-18 Matthias Nadler , Fabian Schär

Fraud across the decentralized finance (DeFi) ecosystem is growing, with victims losing billions to DeFi scams every year. However, there is a disconnect between the reported value of these scams and associated legal prosecutions. We use…

密码学与安全 · 计算机科学 2023-05-29 Arianna Trozze , Toby Davies , Bennett Kleinberg

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

Maximal Extractable Value (MEV) refers to a class of attacks to decentralized applications where the adversary profits by manipulating the ordering, inclusion, or exclusion of transactions in a blockchain. Decentralized Finance (DeFi)…

密码学与安全 · 计算机科学 2025-10-17 Massimo Bartoletti , Riccardo Marchesin , Roberto Zunino

This paper describes Slither, a static analysis framework designed to provide rich information about Ethereum smart contracts. It works by converting Solidity smart contracts into an intermediate representation called SlithIR. SlithIR uses…

软件工程 · 计算机科学 2019-08-28 Josselin Feist , Gustavo Grieco , Alex Groce

One fundamental limitation of blockchain-based smart contracts is that they execute in a closed environment. Thus, they only have access to data and functionality that is already on the blockchain, or is fed into the blockchain. Any…

密码学与安全 · 计算机科学 2021-09-03 Shayan Eskandari , Mehdi Salehi , Wanyun Catherine Gu , Jeremy Clark

An increasing number of DeFi protocols are gaining popularity, facilitating transactions among multiple anonymous users. State Manipulation is one of the notorious attacks in DeFi smart contracts, with price variable being the most commonly…

软件工程 · 计算机科学 2025-06-12 Hao Wu , Haijun Wang , Shangwang Li , Yin Wu , Ming Fan , Yitao Zhao , Ting Liu

Smart contracts are programs that execute transactions involving independent parties and cryptocurrencies. As programs, smart contracts are susceptible to a wide range of errors and vulnerabilities. Such vulnerabilities can result in…

密码学与安全 · 计算机科学 2023-07-03 Sundas Munir , Walid Taha

Blockchain adoption has surged with the rise of Decentralized Finance (DeFi) applications. However, the significant value of digital assets managed by DeFi protocols makes them prime targets for attacks. Current smart contract vulnerability…

密码学与安全 · 计算机科学 2024-11-21 Hongbo Wen , Hanzhi Liu , Jiaxin Song , Yanju Chen , Wenbo Guo , Yu Feng

Poorly designed smart contracts are particularly vulnerable, as they may allow attackers to exploit weaknesses and steal the virtual currency they manage. In this study, we train a model using unsupervised learning to identify…

密码学与安全 · 计算机科学 2025-04-15 Hong-Sheng Huang , Jen-Yi Ho , Hao-Wen Chen , Hung-Min Sun

Recently, a number of existing blockchain systems have witnessed major bugs and vulnerabilities within smart contracts. Although the literature features a number of proposals for securing smart contracts, these proposals mostly focus on…

密码学与安全 · 计算机科学 2018-12-17 Michael Rodler , Wenting Li , Ghassan O. Karame , Lucas Davi

The rapid advancement of ML models in critical sectors such as healthcare, finance, and security has intensified the need for robust data security, model integrity, and reliable outputs. Large multimodal foundational models, while crucial…

密码学与安全 · 计算机科学 2024-12-13 Hongyang Zhang , Yue Zhao , Claudio Angione , Harry Yang , James Buban , Ahmad Farhan , Fielding Johnston , Patrick Colangelo

Smart contracts are programs that execute inside blockchains such as Ethereum to manipulate digital assets. Since bugs in smart contracts may lead to substantial financial losses, there is considerable interest in formally proving their…

编程语言 · 计算机科学 2021-09-10 Christian Bräm , Marco Eilers , Peter Müller , Robin Sierra , Alexander J. Summers

Users of decentralized finance (DeFi) applications face significant risks from adversarial actions that manipulate the order of transactions to extract value from users. Such actions -- an adversarial form of what is called…

密码学与安全 · 计算机科学 2024-08-06 Kushal Babel , Nerla Jean-Louis , Yan Ji , Ujval Misra , Mahimna Kelkar , Kosala Yapa Mudiyanselage , Andrew Miller , Ari Juels

In the age of Big Data, releasing protected sensitive data at a future point in time is critical for various applications. Such self-emerging data release requires the data to be protected until a prescribed data release time and be…

密码学与安全 · 计算机科学 2019-02-18 Chao Li , Balaji Palanisamy