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相关论文: A First Look into DeFi Oracles

200 篇论文

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

Cryptocurrency has been extensively studied as a decentralized financial technology built on blockchain. However, there is a lack of understanding of user experience with cryptocurrency exchanges, the main means for novice users to interact…

人机交互 · 计算机科学 2022-06-16 Zhixuan Zhou , Bohui Shen

Blockchain technology ensures secure and trustworthy data flow between multiple participants on the chain, but interoperability of on-chain and off-chain data has always been a difficult problem that needs to be solved. To solve the problem…

密码学与安全 · 计算机科学 2024-11-19 Xueying Zeng , Youquan Xian , Chunpei Li , Zhengdong Hu , Aoxiang Zhou , Peng Liu

Traditional blockchain design gives miners or validators full control over transaction ordering, i.e., they can freely choose which transactions to include or exclude, as well as in which order. While not an issue initially, the emergence…

分布式、并行与集群计算 · 计算机科学 2023-12-19 Andrei Constantinescu , Diana Ghinea , Lioba Heimbach , Zilin Wang , Roger Wattenhofer

The Internet of Value (IOV) with its distributed ledger technology (DLT) underpinning has created new forms of lending markets. As an integral part of the decentralised finance (DeFi) ecosystem, lending protocols are gaining tremendous…

计算机与社会 · 计算机科学 2022-12-20 Jiahua Xu , Nikhil Vadgama

DEX, or decentralized exchange, is a prominent class of decentralized finance (DeFi) applications on blockchains, attracting a total locked value worth tens of billions of USD today. This paper presents the first large-scale empirical study…

密码学与安全 · 计算机科学 2024-01-23 Jiaqi Chen , Yibo Wang , Yuxuan Zhou , Wanning Ding , Yuzhe Tang , XiaoFeng Wang , Kai Li

In decentralized finance (DeFi), stablecoins like DAI are designed to offer a stable value amidst the fluctuating nature of cryptocurrencies. We examine the class of crypto-backed stable derivatives, with a focus on mechanisms for price…

风险管理 · 定量金融 2024-02-29 Zhenbang Feng , Hardhik Mohanty , Bhaskar Krishnamachari

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…

密码学与安全 · 计算机科学 2025-12-02 Swati Sachan , Dale S. Fickett

Decentralized finance (DeFi) borrowing and lending platforms are crucial to the decentralized economy, involving two main participants: lenders who provide assets for interest and borrowers who offer collateral exceeding their debt and pay…

计算工程、金融与科学 · 计算机科学 2024-07-16 Mahsa Bastankhah , Viraj Nadkarni , Xuechao Wang , Chi Jin , Sanjeev Kulkarni , Pramod Viswanath

Decentralized Autonomous Organization (DAO) is very popular in Decentralized Finance (DeFi) applications as it provides a decentralized governance solution through blockchain. We analyze the governance characteristics in the Maker protocol,…

密码学与安全 · 计算机科学 2023-03-24 Xiaotong Sun , Charalampos Stasinakis , Georigios Sermpinis

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

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…

综合金融 · 定量金融 2022-12-13 Kanis Saengchote

This paper discusses a decentralized finance (DeFi) application called MakerDAO. The Maker Protocol, built on the Ethereum blockchain, enables users to create and hold currency. Current elements of the Maker Protocol are the Dai stable…

计算金融 · 定量金融 2022-11-01 Jason Chen , Kathy Fogel , Kose John

Decentralized Finance (DeFi) money markets have seen explosive growth in recent years, with billions of dollars borrowed in various cryptocurrency assets. Key to the safety of money markets is the implementation of interest rates that…

风险管理 · 定量金融 2024-07-16 Yuval Boneh

The oracle problem refers to the inability of an agent to know if the information coming from an oracle is authentic and unbiased. In ancient times, philosophers and historians debated on how to evaluate, increase, and secure the…

密码学与安全 · 计算机科学 2026-05-22 Giulio Caldarelli , Massimiliano Ornaghi

We explore the adoption of graph representation learning (GRL) algorithms to investigate similarities across services offered by Decentralized Finance (DeFi) protocols. Following existing literature, we use Ethereum transaction data to…

统计金融 · 定量金融 2024-04-25 Junliang Luo , Stefan Kitzler , Pietro Saggese

The number of attacks and accidents leading to significant losses of crypto-assets is growing. According to Chainalysis, in 2021, approx. $14 billion has been lost due to various incidents, and this number is dominated by Decentralized…

计算机科学中的逻辑 · 计算机科学 2022-03-16 Eske Hoy Nielsen , Danil Annenkov , Bas Spitters

How will Decentralized Finance transform financial services? Using New Institutional Economics and Dynamic Capabilities Theory, I analyse survey data from 109 experts using non-parametric methods. Experts span traditional finance, DeFi…

综合金融 · 定量金融 2025-07-29 Daniel Liebau

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

The convergence of blockchain and artificial intelligence (AI) has led to the emergence of AI-based tokens, which are cryptographic assets designed to power decentralized AI platforms and services. This paper provides a comprehensive review…

分布式、并行与集群计算 · 计算机科学 2025-08-12 Rischan Mafrur