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With the rapid development of blockchain technology in recent years, all kinds of blockchain-based applications have emerged. Among them, the decentralized finance (DeFi) is one of the most successful applications, which is regarded as the…

Cryptography and Security · Computer Science 2022-01-10 Yinjie Zhao , Xin Kang , Tieyan Li , Cheng-Kang Chu , Haiguang Wang

Decentralized Finance (DeFi) is a system of financial products and services built and delivered through smart contracts on various blockchains. In the past year, DeFi has gained popularity and market capitalization. However, it has also…

Machine Learning · Computer Science 2023-05-29 Arianna Trozze , Bennett Kleinberg , Toby Davies

In this paper, we propose a fully decentralized and smart contract-based insurance protocol. We identify various issues in the Decentralized Finance (DeFi) insurance context and propose a solution to overcome these shortcomings. We…

General Finance · Quantitative Finance 2022-12-21 Matthias Nadler , Felix Bekemeier , Fabian Schär

The rise of Web3 and Decentralized Finance (DeFi) has enabled borderless access to financial services empowered by smart contracts and blockchain technology. However, the ecosystem's trustless, permissionless, and borderless nature presents…

Cryptography and Security · Computer Science 2025-09-29 Hesam Sarkhosh , Uzma Maroof , Diogo Barradas

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

Blockchain technology enforces the security, robustness, and traceability of operations of Process-Aware Information Systems (PAISs). In particular, transparency ensures that all data is publicly available, fostering trust among…

Cryptography and Security · Computer Science 2026-04-23 Michele Kryston , Edoardo Marangone , Alessandro Marcelletti , Claudio Di Ciccio

With the widespread attention and application of artificial intelligence (AI) and blockchain technologies, privacy protection techniques arising from their integration are of notable significance. In addition to protecting privacy of…

Cryptography and Security · Computer Science 2023-05-09 Zongwei Li , Dechao Kong , Yuanzheng Niu , Hongli Peng , Xiaoqi Li , Wenkai Li

In recent years blockchain technology has received tremendous attention. Blockchain users are known by a changeable Public Key (PK) that introduces a level of anonymity, however, studies have shown that anonymized transactions can be linked…

Cryptography and Security · Computer Science 2022-02-22 Ali Dorri , Clemence Roulin , Shantanu Pal , Sarah Baalbaki , Raja Jurdak , Salil Kanhere

Bitcoin brings a new type of digital currency that does not rely on a central system to maintain transactions. By benefiting from the concept of decentralized ledger, users who do not know or trust each other can still conduct transactions…

Cryptography and Security · Computer Science 2019-09-17 Zhimin Gao , Lei Xu , Keshav Kasichainula , Lin Chen , Bogdan Carbunar , Weidong Shi

Centralization enhances the efficiency of Artificial Intelligence (AI) but also introduces critical challenges, including single points of failure, inherent biases, data privacy risks, and scalability limitations. To address these issues,…

Machine Learning · Computer Science 2026-02-10 Elizabeth Lui , Rui Sun , Vatsal Shah , Xihan Xiong , Jiahao Sun , Davide Crapis , William Knottenbelt , Zhipeng Wang

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

Decentralization initiatives like Solid enable data owners to control who has access to their data and to stimulate innovation by creating both application and data markets. Once data owners share their data with others, though, it is no…

Multiagent Systems · Computer Science 2023-10-10 Davide Basile , Claudio Di Ciccio , Valerio Goretti , Sabrina Kirrane

Data-driven landscape across finance, government, and healthcare, the continuous generation of information demands robust solutions for secure storage, efficient dissemination, and fine-grained access control. Blockchain technology emerges…

Cryptography and Security · Computer Science 2024-06-07 Chao Liu , Cankun Hou , Tianyu Jiang , Jianting Ning , Hui Qiao , Yusen Wu

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

We propose a middleware solution designed to facilitate seamless integration of privacy using zero-knowledge proofs within various multi-chain protocols, encompassing domains such as DeFi, gaming, social networks, DAOs, e-commerce, and the…

Cryptography and Security · Computer Science 2025-06-10 Amit Chaudhary

Financial inclusion depends on providing adjusted services for citizens with disclosed vulnerabilities. At the same time, the financial industry needs to adhere to a strict regulatory framework, which is often in conflict with the desire…

Blockchain technology is an interlinked systematic chain of blocks that contains transaction history and other user data. It works under the principle of decentralized distributed digital ledger. This technology enables cryptographically…

Cryptography and Security · Computer Science 2020-12-25 AKM Bahalul Haque , Mahbubur Rahman

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…

Computational Engineering, Finance, and Science · Computer Science 2024-07-16 Mahsa Bastankhah , Viraj Nadkarni , Xuechao Wang , Chi Jin , Sanjeev Kulkarni , Pramod Viswanath

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

Off-grid networks are recently emerging as a solution to connect the unconnected or provide alternative services to networks of possibly untrusted participants. The systems currently used, however, exhibit limitations due to their…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-07-09 Harris Niavis , Nikolaos Papadis , Leandros Tassiulas