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We propose DIPS Difficulty-based Incentives for Problem Solving), a simple modification of the Bitcoin proof-of-work algorithm that rewards blockchain miners for solving optimization problems of scientific interest. The result is a…

Distributed, Parallel, and Cluster Computing · Computer Science 2022-06-03 Pericles Philippopoulos , Alessandro Ricottone , Carlos G. Oliver

Blockchain uses the idea of storing transaction data in the form of a distributed ledger wherein each node in the network stores a current copy of the sequence of transactions in the form of a hash chain. This requirement of storing the…

Information Theory · Computer Science 2018-01-09 Ravi Kiran Raman , Lav R. Varshney

Decentralized finance, i.e., DeFi, has become the most popular type of application on many public blockchains (e.g., Ethereum) in recent years. Compared to the traditional finance, DeFi allows customers to flexibly participate in diverse…

Cryptography and Security · Computer Science 2021-03-05 Bin Wang , Han Liu , Chao Liu , Zhiqiang Yang , Qian Ren , Huixuan Zheng , Hong Lei

Decentralized Finance (DeFi), in which digital assets are exchanged without trusted intermediaries, has grown rapidly in value in recent years. The global DeFi ecosystem is fragmented into multiple blockchains, fueling the demand for…

Cryptography and Security · Computer Science 2024-10-16 Daniël Reijsbergen , Bretislav Hajek , Tien Tuan Anh Dinh , Jussi Keppo , Henry F. Korth , Anwitaman Datta

Blockchain technology has seen tremendous development over the past few years. Despite the emergence of numerous blockchain systems, they all suffer from various limitations, which can all be attributed to the fundamental issue posed by the…

Cryptography and Security · Computer Science 2024-06-21 Jianwu Zheng , Siyuan Zhao , Zheng Wang , Li Pan , Jianhua Li

Cryptocurrency can be understood as a digital asset transacted among participants in the crypto economy. Every cryptocurrency must have an associated Blockchain. Blockchain is a Distributed Ledger Technology (DLT) which supports…

Computers and Society · Computer Science 2024-05-20 Carlos Alberto Durigan Junior , Fernando Jose Barbin Laurindo

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

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

In recent years, we have seen an increase in the adoption of blockchain-based systems in non-financial applications, looking to benefit from what the technology has to offer. Although many fields have managed to include blockchain in their…

Cryptography and Security · Computer Science 2023-12-08 Georgios Diamantopoulos , Nikos Tziritas , Rami Bahsoon , Georgios Theodoropoulos

Blockchain is a technology that provides a distributed ledger that stores previous records while maintaining consistency and security. Bitcoin is the first and largest decentralized electronic cryptographic system that uses blockchain…

Cryptography and Security · Computer Science 2021-11-05 Befekadu G. Gebraselase , Bjarne E. Helvik , Yuming Jiang

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

Blockchain systems come with the promise of being inclusive for a variety of decentralized applications (DApps) that can serve different purposes and have different urgency requirements. Despite this, the transaction fee mechanisms…

Computer Science and Game Theory · Computer Science 2023-04-13 Aggelos Kiayias , Elias Koutsoupias , Philip Lazos , Giorgos Panagiotakos

Deepfake technology is a major threat to the integrity of digital media. This paper presents a comprehensive framework for a blockchain-based decentralized system designed to tackle the escalating challenge of digital content integrity. The…

Cryptography and Security · Computer Science 2023-12-05 Dipankar Sarkar

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

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…

Risk Management · Quantitative Finance 2024-07-16 Yuval Boneh

We develop several innovations to bring the best practices of traditional investment funds to the blockchain landscape. Specifically, we illustrate how: 1) fund prices can be updated regularly like mutual funds; 2) performance fees can be…

Cryptography and Security · Computer Science 2024-07-30 Ravi Kashyap

In recent years, prominent blockchain systems such as Bitcoin and Ethereum have experienced explosive growth in transaction volume, leading to frequent surges in demand for limited block space and causing transaction fees to fluctuate by…

Computer Science and Game Theory · Computer Science 2023-10-31 Matheus V. X. Ferreira , Daniel J. Moroz , David C. Parkes , Mitchell Stern

Decentralized Finance (DeFi) applications introduce novel financial instruments replicating and extending traditional ones through blockchain-based smart contracts. Among these applications, DeFi derivatives protocols enable the creation…

Computer Science and Game Theory · Computer Science 2026-05-05 Luca Pennella , Pietro Saggese , Fabio Pinelli , Letterio Galletta

Decentralized Finance (DeFi) is increasingly studied and adopted for its potential to provide accessible and transparent financial services. Analyzing how investors use DeFi is important for reaching a better understanding of their usage…

Social and Information Networks · Computer Science 2024-08-23 Natkamon Tovanich , Célestin Coquidé , Rémy Cazabet

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