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相关论文: Protecting DeFi Platforms against Non-Price Flash …

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The rise of Decentralized Finance (DeFi) has brought novel financial opportunities but also exposed serious security vulnerabilities, with flash loans frequently exploited for price manipulation attacks. These attacks, leveraging the atomic…

密码学与安全 · 计算机科学 2025-02-25 Ka Wai Wu

Decentralized Finance (DeFi) is emerging as a peer-to-peer financial ecosystem, enabling participants to trade products on a permissionless blockchain. Built on blockchain and smart contracts, the DeFi ecosystem has experienced explosive…

密码学与安全 · 计算机科学 2023-09-07 Peng Qian , Rui Cao , Zhenguang Liu , Wenqing Li , Ming Li , Lun Zhang , Yufeng Xu , Jianhai Chen , Qinming He

Flash Loan attack can grab millions of dollars from decentralized vaults in one single transaction, drawing increasing attention from the Decentralized Finance (DeFi) players. It has also demonstrated an exciting opportunity that a huge…

计算金融 · 定量金融 2021-02-02 Yixin Cao , Chuanwei Zou , Xianfeng Cheng

The exploitation of smart contract vulnerabilities in Decentralized Finance (DeFi) has resulted in financial losses exceeding 3 billion US dollars. Existing defense mechanisms primarily focus on detecting and reacting to adversarial…

密码学与安全 · 计算机科学 2025-04-22 Shoupeng Ren , Lipeng He , Tianyu Tu , Di Wu , Jian Liu , Kui Ren , Chun Chen

Decentralized finance (DeFi) protocols are crypto projects developed on the blockchain to manage digital assets. Attacks on DeFi have been frequent and have resulted in losses exceeding $80 billion. Current tools detect and locate possible…

密码学与安全 · 计算机科学 2025-11-04 Xiaoqi Li , Wenkai Li , Zhiquan Liu , Yuqing Zhang , Yingjie Mao

Price manipulation attack is one of the notorious threats in decentralized finance (DeFi) applications, which allows attackers to exchange tokens at an extensively deviated price from the market. Existing efforts usually rely on reactive…

密码学与安全 · 计算机科学 2025-02-07 Bosi Zhang , Ningyu He , Xiaohui Hu , Kai Ma , Haoyu Wang

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…

编程语言 · 计算机科学 2024-04-23 Zhiyang Chen , Sidi Mohamed Beillahi , Fan Long

Decentralized finance (DeFi) protocols are crypto projects developed on the blockchain to manage digital assets. Attacks on DeFi have been frequent and have resulted in losses exceeding \$77 billion. However, detection methods for malicious…

密码学与安全 · 计算机科学 2024-05-21 Wenkai Li , Xiaoqi Li , Yuqing Zhang , Zongwei Li

Smart contracts power decentralized financial (DeFi) services but are vulnerable to security exploits that can lead to significant financial losses. Existing security measures often fail to adequately protect these contracts due to the…

密码学与安全 · 计算机科学 2026-04-22 Zhiyang Chen , Sidi Mohamed Beillahi , Pasha Barahimi , Cyrus Minwalla , Han Du , Andreas Veneris , Fan Long

Credit allows a lender to loan out surplus capital to a borrower. In the traditional economy, credit bears the risk that the borrower may default on its debt, the lender hence requires upfront collateral from the borrower, plus interest fee…

密码学与安全 · 计算机科学 2021-03-23 Kaihua Qin , Liyi Zhou , Benjamin Livshits , Arthur Gervais

The rapid growth of Decentralized Finance (DeFi) boosts the Ethereum ecosystem. At the same time, attacks towards DeFi applications (apps) are increasing. However, to the best of our knowledge, existing smart contract vulnerability…

密码学与安全 · 计算机科学 2021-05-03 Siwei Wu , Dabao Wang , Jianting He , Yajin Zhou , Lei Wu , Xingliang Yuan , Qinming He , Kui Ren

Within just four years, the blockchain-based Decentralized Finance (DeFi) ecosystem has accumulated a peak total value locked (TVL) of more than 253 billion USD. This surge in DeFi's popularity has, unfortunately, been accompanied by many…

Flash Loan, as an emerging service in the decentralized finance ecosystem, allows users to request a non-collateral loan. While providing convenience, it also enables attackers to launch malicious operations with a large amount of asset…

密码学与安全 · 计算机科学 2021-04-22 Dabao Wang , Siwei Wu , Ziling Lin , Lei Wu , Xingliang Yuan , Yajin Zhou , Haoyu Wang , Kui Ren

Decentralized finance, i.e., DeFi, has become the most popular type of application on many public blockchains (e.g., Ethereum) in recent years. Compared to the traditional finance, DeFi allows customers to flexibly participate in diverse…

密码学与安全 · 计算机科学 2021-03-05 Bin Wang , Han Liu , Chao Liu , Zhiqiang Yang , Qian Ren , Huixuan Zheng , Hong Lei

Decentralized Finance (DeFi) smart contracts manage billions of dollars, making them a prime target for exploits. Price manipulation vulnerabilities, often via flash loans, are a devastating class of attacks causing significant financial…

密码学与安全 · 计算机科学 2026-04-30 Lu Liu , Wuqi Zhang , Lili Wei , Hao Guan , Yongqiang Tian , Yepang Liu , Shing-Chi Cheung

The growth of the decentralized finance (DeFi) ecosystem built on blockchain technology and smart contracts has led to an increased demand for secure and reliable smart contract development. However, attacks targeting smart contracts are…

Decentralized Finance (DeFi) took shape in 2020. An unprecedented amount of over 14 billion USD moved into DeFi projects offering trading, loans and insurance. But its growth has also drawn the attention of malicious actors. Many projects…

密码学与安全 · 计算机科学 2021-06-22 Kris Oosthoek

DeFi, or Decentralized Finance, is based on a distributed ledger called blockchain technology. Using blockchain, DeFi may customize the execution of predetermined operations between parties. The DeFi system use blockchain technology to…

密码学与安全 · 计算机科学 2023-04-27 Wenkai Li , Jiuyang Bu , Xiaoqi Li , Hongli Peng , Yuanzheng Niu , Yuqing Zhang

The prosperity of Decentralized Finance (DeFi) unveils underlying risks, with reported losses surpassing 3.2 billion USD between 2018 and 2022 due to vulnerabilities in Decentralized Applications (DApps). One significant threat is the Price…

密码学与安全 · 计算机科学 2024-06-18 Dabao Wang , Bang Wu , Xingliang Yuan , Lei Wu , Yajin Zhou , Helei Cui

DeFi (Decentralized Finance) is one of the most important applications of today's cryptocurrencies and smart contracts. It manages hundreds of billions in Total Value Locked (TVL) on-chain, yet it remains susceptible to common DeFi price…

密码学与安全 · 计算机科学 2025-10-28 Juantao Zhong , Daoyuan Wu , Ye Liu , Maoyi Xie , Yang Liu , Yi Li , Ning Liu
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