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This research introduces the Decentralized Finance (DeFi) TrustBoost Framework, which combines blockchain technology and Explainable AI to address challenges faced by lenders underwriting small business loan applications from low-wealth…

Cryptography and Security · Computer Science 2025-12-02 Swati Sachan , Dale S. Fickett

Decentralized finance (DeFi) has the potential to disrupt centralized finance by validating peer-to-peer transactions through tamper-proof smart contracts, thus significantly lowering the transaction cost charged by financial…

General Economics · Economics 2023-12-04 Ziqiao Ao , Lin William Cong , Gergely Horvath , Luyao Zhang

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…

Cryptography and Security · Computer Science 2021-05-03 Siwei Wu , Dabao Wang , Jianting He , Yajin Zhou , Lei Wu , Xingliang Yuan , Qinming He , Kui Ren

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

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

In recent days, the proliferation of several existing and new cyber-attacks pose an axiomatic threat to the stability of financial services. It is hard to predict the nature of attacks that can trigger a serious financial crisis. The…

Cryptography and Security · Computer Science 2023-03-24 Pushpita Chatterjee , Debashis Das , Danda B Rawat

Blockchain protocols incentivize participation through monetary rewards, assuming rational actors behave honestly to maximize their gains. However, attackers may attempt to harm others even at personal cost. These denial of profit attacks…

Computer Science and Game Theory · Computer Science 2025-06-02 Arian Baloochestani , Leander Jehl

Recently, Decentralized Finance (DeFi) platforms on Ethereum are booming, and numerous traders are trying to capitalize on the opportunity for maximizing their benefits by launching front-running attacks and extracting Miner Extractable…

Cryptography and Security · Computer Science 2022-08-08 Xingyu Lyu , Mengya Zhang , Xiaokuan Zhang , Jianyu Niu , Yinqian Zhang , Zhiqiang Lin

Permissionless blockchains offer an information environment where users can interact privately without fear of censorship. Financial services can be programmatically coded via smart contracts to automate transactions without the need for…

General Finance · Quantitative Finance 2022-12-13 Kanis Saengchote

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

Smart contracts led to the emergence of the decentralized finance (DeFi) marketplace within blockchain ecosystems, where diverse participants engage in financial activities. In traditional finance, there are possibilities to create values,…

Cryptography and Security · Computer Science 2024-06-21 Rasheed , Yash Chaurasia , Parth Desai , Sujit Gujar

Blockchain solutions typically assume a synchronous network to ensure consistency and achieve consensus. In contrast, offline transaction systems aim to enable users to agree on and execute transactions without assuming bounded…

Cryptography and Security · Computer Science 2025-04-08 Nektarios Evangelou , Rowdy Chotkan , Bulat Nasrulin , Jérémie Decouchant

Technological advancement drives financial innovation, reshaping the traditional finance landscape and redefining user-market interactions. The rise of blockchain and Decentralized Finance (DeFi) underscores this intertwined evolution of…

Computational Finance · Quantitative Finance 2024-11-27 Xihan Xiong , Zhipeng Wang , Tianxiang Cui , William Knottenbelt , Michael Huth

Currently cryptocurrencies and Decentralized Finance (DeFi), which enable financial services on public blockchains, represents a new growing trend in finance. In contrast to financial markets, ruled by traditional corporations, DeFi is…

Social and Information Networks · Computer Science 2024-01-04 Mar Grande , Florentino Borondo , Javier Borondo

User transactions on Ethereum's peer-to-peer network are at risk of being attacked. The smart contracts building decentralized finance (DeFi) have introduced a new transaction ordering dependency to the Ethereum blockchain. As a result,…

Cryptography and Security · Computer Science 2022-09-23 Lioba Heimbach , Roger Wattenhofer

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) 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) 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

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

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