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Decentralized Finance (DeFi) staking is one of the most prominent applications within the DeFi ecosystem, where DeFi projects enable users to stake tokens on the platform and reward participants with additional tokens. However, logical…

Software Engineering · Computer Science 2026-01-12 Zewei Lin , Jiachi Chen , Jingwen Zhang , Zexu Wang , Yuming Feng , Weizhe Zhang , Zibin Zheng

Decentralized Finance (DeFi) offers a whole new investment experience and has quickly emerged as an enticing alternative to Centralized Finance (CeFi). Rapidly growing market size and active users, however, have also made DeFi a lucrative…

Cryptography and Security · Computer Science 2024-06-25 Mingyi Liu , Jun Ho Huh , HyungSeok Han , Jaehyuk Lee , Jihae Ahn , Frank Li , Hyoungshick Kim , Taesoo Kim

Cryptocurrency has seen an explosive growth in recent years, thanks to the evolvement of blockchain technology and its economic ecosystem. Besides Bitcoin, thousands of cryptocurrencies have been distributed on blockchains, while hundreds…

Cryptography and Security · Computer Science 2020-06-12 Ru Ji , Ningyu He , Lei Wu , Haoyu Wang , Guangdong Bai , Yao Guo

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…

Cryptography and Security · Computer Science 2025-10-28 Juantao Zhong , Daoyuan Wu , Ye Liu , Maoyi Xie , Yang Liu , Yi Li , Ning Liu

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…

Cryptography and Security · Computer Science 2024-11-21 Hongbo Wen , Hanzhi Liu , Jiaxin Song , Yanju Chen , Wenbo Guo , Yu Feng

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…

Cryptography and Security · Computer Science 2023-04-27 Wenkai Li , Jiuyang Bu , Xiaoqi Li , Hongli Peng , Yuanzheng Niu , Yuqing Zhang

This paper presents OVer, a framework designed to automatically analyze the behavior of decentralized finance (DeFi) protocols when subjected to a "skewed" oracle input. OVer firstly performs symbolic analysis on the given contract and…

Software Engineering · Computer Science 2024-01-12 Xun Deng , Sidi Mohamed Beillahi , Cyrus Minwalla , Han Du , Andreas Veneris , Fan Long

Decentralized finance (DeFi) applications depend on accurate price oracles to ensure secure transactions, yet these oracles are highly vulnerable to manipulation, enabling attackers to exploit smart contract vulnerabilities for unfair asset…

Cryptography and Security · Computer Science 2025-02-12 Bo Gao , Yuan Wang , Qingsong Wei , Yong Liu , Rick Siow Mong Goh , David Lo

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…

Cryptography and Security · Computer Science 2026-04-22 Zhiyang Chen , Sidi Mohamed Beillahi , Pasha Barahimi , Cyrus Minwalla , Han Du , Andreas Veneris , Fan Long

Decentralized applications are often composed of multiple interconnected smart contracts. This is especially evident in DeFi, where protocols are heavily intertwined and rely on a variety of basic building blocks such as tokens,…

Cryptography and Security · Computer Science 2025-05-27 Emily Priyadarshini , Massimo Bartoletti

With the escalating prevalence of malicious activities exploiting vulnerabilities in blockchain systems, there is an urgent requirement for robust attack detection mechanisms. To address this challenge, this paper presents a novel…

The rapid growth and adoption of decentralized finance (DeFi) systems have been accompanied by various threats, notably those emerging from vulnerabilities in their intricate design. In our work, we introduce and define an attack strategy…

Cryptography and Security · Computer Science 2023-10-03 Weilin Li , Zhun Wang , Chenyu Li , Heying Chen , Taiyu Wong , Pengyu Sun , Yufei Yu , Chao Zhang

Decentralized Finance (DeFi) is a prominent application of smart contracts, representing a novel financial paradigm in contrast to centralized finance. While DeFi applications are rapidly emerging on mainstream blockchain platforms, their…

Software Engineering · Computer Science 2024-01-12 Wei Ma , Chenguang Zhu , Ye Liu , Xiaofei Xie , Yi Li

Decentralized finance (DeFi) in Ethereum is a financial ecosystem built on the blockchain that has locked over 200 billion USD until April 2022. All transaction information is transparent and open when transacting through the DeFi protocol,…

Cryptography and Security · Computer Science 2022-05-20 Wenkai Li , Jiuyang Bu , Xiaoqi Li , Xianyi Chen

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…

Cryptography and Security · Computer Science 2024-06-18 Dabao Wang , Bang Wu , Xingliang Yuan , Lei Wu , Yajin Zhou , Helei Cui

Reentrancy, a notorious vulnerability in smart contracts, has led to millions of dollars in financial loss. However, current smart contract vulnerability detection tools suffer from a high false positive rate in identifying contracts with…

Cryptography and Security · Computer Science 2024-03-29 Shuo Yang , Jiachi Chen , Mingyuan Huang , Zibin Zheng , Yuan Huang

The financial sector's adoption of technology-driven data analysis has enhanced operational efficiency and revenue generation by leveraging personal sensitive data. However, the inherent characteristics of blockchain hinder decentralized…

Cryptography and Security · Computer Science 2023-11-13 Zhuangtong Huang , Jiawei Zhu , Zhongyu Huang , Yixin Xu , Jerome Yen , Ye Wang

Decentralized finance (DeFi) has been the target of numerous profit-driven crimes, but the prevalence and cumulative impact of these crimes have not yet been assessed. This study provides a comprehensive assessment of profit-driven crimes…

Cryptography and Security · Computer Science 2025-01-23 Catherine Carpentier-Desjardins , Masarah Paquet-Clouston , Stefan Kitzler , Bernhard Haslhofer

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…

Cryptography and Security · Computer Science 2021-06-22 Kris Oosthoek

Decentralized finance (DeFi) has become one of the most successful applications of blockchain and smart contracts. The DeFi ecosystem enables a wide range of crypto-financial activities, while the underlying smart contracts often contain…

Cryptography and Security · Computer Science 2021-04-20 Palina Tolmach , Yi Li , Shang-Wei Lin , Yang Liu