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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

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

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

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

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…

Cryptography and Security · Computer Science 2023-04-11 Liyi Zhou , Xihan Xiong , Jens Ernstberger , Stefanos Chaliasos , Zhipeng Wang , Ye Wang , Kaihua Qin , Roger Wattenhofer , Dawn Song , Arthur Gervais

The Global Financial Crisis of 2008, caused by the accumulation of excessive financial risk, inspired Satoshi Nakamoto to create Bitcoin. Now, more than ten years later, Decentralized Finance (DeFi), a peer-to-peer financial paradigm which…

Cryptography and Security · Computer Science 2020-06-30 Lewis Gudgeon , Daniel Perez , Dominik Harz , Benjamin Livshits , Arthur Gervais

Decentralized Finance (DeFi), a blockchain powered peer-to-peer financial system, is mushrooming. Two years ago the total value locked in DeFi systems was approximately 700m USD, now, as of April 2022, it stands at around 150bn USD. The…

Cryptography and Security · Computer Science 2022-09-16 Sam M. Werner , Daniel Perez , Lewis Gudgeon , Ariah Klages-Mundt , Dominik Harz , William J. Knottenbelt

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…

Computational Finance · Quantitative Finance 2021-02-02 Yixin Cao , Chuanwei Zou , Xianfeng Cheng

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…

Cryptography and Security · Computer Science 2023-09-07 Peng Qian , Rui Cao , Zhenguang Liu , Wenqing Li , Ming Li , Lun Zhang , Yufeng Xu , Jianhai Chen , Qinming He

Decentralized Finance (DeFi) is a new paradigm in the creation, distribution, and utilization of financial services via the integration of blockchain technology. Our research conducts a comprehensive introduction and meticulous…

Cryptography and Security · Computer Science 2023-12-04 Erya Jiang , Bo Qin , Qin Wang , Zhipeng Wang , Qianhong Wu , Jian Weng , Xinyu Li , Chenyang Wang , Yuhang Ding , Yanran Zhang

The decentralized and trustless nature of cryptocurrencies and blockchain technology leads to a shift in the digital world. The possibility to execute small programs, called smart contracts, on cryptocurrencies like Ethereum opened doors to…

Cryptography and Security · Computer Science 2021-01-15 Hendrik Amler , Lisa Eckey , Sebastian Faust , Marcel Kaiser , Philipp Sandner , Benjamin Schlosser

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

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…

Cryptography and Security · Computer Science 2024-05-21 Wenkai Li , Xiaoqi Li , Yuqing Zhang , Zongwei Li

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…

Cryptography and Security · Computer Science 2025-11-04 Xiaoqi Li , Wenkai Li , Zhiquan Liu , Yuqing Zhang , Yingjie Mao

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

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 new financial industry built on blockchain technologies. Decentralized financial services have consequently increased the ability to lend, borrow, and invest in decentralized investment vehicles, allowing…

Portfolio Management · Quantitative Finance 2022-09-27 Hugo Inzirillo , Stanislas de Quenetain

Since the inception of permissionless blockchains with Bitcoin in 2008, it became apparent that their most well-suited use case is related to making the financial system and its advantages available to everyone seamlessly without depending…

General Finance · Quantitative Finance 2023-06-16 Georgios Palaiokrassas , Sandro Scherrers , Iason Ofeidis , Leandros Tassiulas

The decentralized finance (DeFi) community has grown rapidly in recent years, pushed forward by cryptocurrency enthusiasts interested in the vast untapped potential of new markets. The surge in popularity of cryptocurrency has ushered in a…

Computational Engineering, Finance, and Science · Computer Science 2025-12-12 Adriana Watson , Grant Richards , Daniel Schiff

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…

Cryptography and Security · Computer Science 2025-02-25 Ka Wai Wu
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