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Decentralized Finance (DeFi) on Ethereum has undergone significant transformations since its emergence during the DeFi summer of 2020. With the introduction of Proof of Stake (PoS) and Proposer-Builder Separation (PBS), the transaction…

General Economics · Economics 2025-05-27 Paul Janicot , Alex Vinyas

Machine learning has recently enabled large advances in artificial intelligence, but these tend to be highly centralized. The large datasets required are generally proprietary; predictions are often sold on a per-query basis; and published…

Cryptography and Security · Computer Science 2019-07-18 Justin D. Harris , Bo Waggoner

With market capitalization exceeding USD250 billion by mid-2025, stablecoins have evolved from a crypto-focused innovation into a vital component of the global monetary structure. This paper identifies the characteristics of stablecoins…

General Finance · Quantitative Finance 2025-10-14 Hongzhe Wen , Songbai Li , R. S. M. Lau , Jamie Zhang

Three traits of decentralized finance are studied. First, the market impact function is derived for optimal-growth liquidity providers. For a standard random walk, the classic square-root impact is recovered. An extension is then derived to…

Portfolio Management · Quantitative Finance 2026-01-19 B. K. Meister

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

As smart contract platforms autonomously manage billions of dollars of capital, quantifying the portfolio risk that investors engender in these systems is increasingly important. Recent work illustrates that Proof of Stake (PoS) is…

General Finance · Quantitative Finance 2020-06-22 Tarun Chitra , Alex Evans

Non-Fungible Tokens (NFTs) have emerged as a way to collect digital art as well as an investment vehicle. Despite having been popularized only recently, NFT markets have witnessed several high-profile (and high-value) asset sales and a…

Cryptography and Security · Computer Science 2022-04-28 Dipanjan Das , Priyanka Bose , Nicola Ruaro , Christopher Kruegel , Giovanni Vigna

This research provides a critical analysis regarding the way blockchain is being implemented in the financial industry, highlighting its vital role in promoting green finance, guaranteeing compliance with regulations, improving supply chain…

Cryptography and Security · Computer Science 2024-12-18 Ishan Patwardhan , Sunil Mane , Nidhi Patel

Scam contracts on Ethereum have rapidly evolved alongside the rise of DeFi and NFT ecosystems, utilizing increasingly complex code obfuscation techniques to avoid early detection. This paper systematically investigates how obfuscation…

Cryptography and Security · Computer Science 2026-01-27 Zhang Sheng , Tan Kia Quang , Shen Wang , Shengchen Duan , Kai Li , Yue Duan

Decentralized Finance (DeFi), propelled by Blockchain technology, has revolutionized traditional financial systems, improving transparency, reducing costs, and fostering financial inclusion. However, transaction activities in these systems…

Cryptography and Security · Computer Science 2023-12-22 Hou-Wan Long , Xiongfei Zhao , Yain-Whar Si

New technologies, such as blockchain, are designed to address various system weaknesses, particularly those related to security. Blockchain can enhance numerous aspects of traditional banking systems by transforming them into digital,…

Cryptography and Security · Computer Science 2026-03-24 Shkelqim Sherifi

Currently, the advantages of decentralization through blockchain technology in the financial sector are actively discussed. In this article, we investigate the decentralization in the governance of Decentralized Autonomous Organizations…

General Finance · Quantitative Finance 2023-11-07 Kirill Kolmykov

We identify the slow liquidity drain (SLID) scam, an insidious and highly profitable threat to decentralized finance (DeFi), posing a large-scale, persistent, and growing risk to the ecosystem. Unlike traditional scams such as rug pulls or…

Cryptography and Security · Computer Science 2025-08-07 Minh Trung Tran , Nasrin Sohrabi , Zahir Tari , Qin Wang , Minhui Xue , Xiaoyu Xia

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…

General Economics · Economics 2020-12-18 Matthias Nadler , Fabian Schär

Stable coins are not very stable. Cash collateralized coins are more stable, but the overall failure rate is similar to tokens that are not designed to be stable. USD Coin, Tether and Dai have the largest Ethereum market shares, and they…

Trading and Market Microstructure · Quantitative Finance 2023-02-28 Bruce Mizrach

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

The problem of a single point of failure in centralized systems poses a great challenge to the stability of such systems. Meanwhile, the tamperability of data within centralized systems makes users reluctant to trust and use centralized…

Cryptography and Security · Computer Science 2025-04-22 Ka Wai Wu

The meteoric rise of Decentralized Finance (DeFi) has been accompanied by a plethora of frequent and often financially devastating attacks on its protocols There have been over 70 exploits of DeFi protocols, with the total of lost funds…

Cryptography and Security · Computer Science 2022-02-01 Daniel Perez , Lewis Gudgeon

Atomic swaps enable the transfer of value between the cryptocurrencies of various blockchains without the need to trust an intermediary. In this paper, we propose the concept of atomic loans, which utilize atomic swap technology to allow…

Cryptography and Security · Computer Science 2019-01-17 Matthew Black , TingWei Liu , Tony Cai

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