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Blockchain-enabled Federated Learning (BFL) enables mobile devices to collaboratively train neural network models required by a Machine Learning Model Owner (MLMO) while keeping data on the mobile devices. Then, the model updates are stored…

Machine Learning · Computer Science 2020-05-04 Nguyen Quang Hieu , Tran The Anh , Nguyen Cong Luong , Dusit Niyato , Dong In Kim , Erik Elmroth

Decentralized blockchain platforms have enabled the secure exchange of crypto-assets without the intermediation of trusted authorities. To this purpose, these platforms rely on a peer-to-peer network of byzantine nodes, which…

Cryptography and Security · Computer Science 2023-06-22 Massimo Bartoletti , Letterio Galletta , Maurizio Murgia

It is now a whole year since Lightning Network (LN) has been launched on the Bitcoi's mainnet. LN has been claimed as the solution for several of Bitcoin's weaknesses such as its difficulty to scale in number of transactions per second and…

Cryptography and Security · Computer Science 2019-02-21 Stefano Martinazzi

Resource-constrained devices are unable to maintain a full copy of the Bitcoin Blockchain in memory. This paper proposes a bidirectional payment channel framework for IoT devices. This framework utilizes Bitcoin Lightning-Network-like…

Cryptography and Security · Computer Science 2018-12-27 Christopher Hannon , Dong Jin

In the past decade, blockchain has shown a promising vision greatly to build the trust without any powerful third party in a secure, decentralized and salable manner. However, due to the wide application and future development from…

Distributed, Parallel, and Cluster Computing · Computer Science 2021-05-11 Bin Cao , Zixin Wang , Long Zhang , Daquan Feng , Mugen Peng , Lei Zhang

Blockchain and blockchain-inspired decentralized applications are on the rise thanks to their unique characteristics such as their decentralized nature, anonymity, and tamper-proof nature; however, blockchain transactions tend to experience…

Cryptography and Security · Computer Science 2026-04-08 Yi Lyu

The possibility to analyze everyday monetary transactions is limited by the scarcity of available data, as this kind of information is usually considered highly sensitive. Present econophysics models are usually employed on presumed random…

Physics and Society · Physics 2014-04-01 Dániel Kondor , Márton Pósfai , István Csabai , Gábor Vattay

Bitcoin's global success has led to the rise of blockchain, but many systems labeled as "blockchain" deviate from its core principles, adding complexity to the ecosystem. This survey addresses the need for a comprehensive review and…

Cryptography and Security · Computer Science 2024-09-30 Badr Bellaj , Aafaf Ouaddah , Noel Crespi , Abdelatif Mezrioui , Emmanuel Bertin

With the technological advances in machine learning, effective ways are available to process the huge amount of data generated in real life. However, issues of privacy and scalability will constrain the development of machine learning.…

Cryptography and Security · Computer Science 2024-06-04 Zhilin Wang , Qin Hu , Minghui Xu , Yan Zhuang , Yawei Wang , Xiuzhen Cheng

Federated learning (FL) is a distributed machine learning (ML) technique that enables collaborative training in which devices perform learning using a local dataset while preserving their privacy. This technique ensures privacy,…

Cryptography and Security · Computer Science 2022-01-28 Hajar Moudoud , Soumaya Cherkaoui , Lyes Khoukhi

Anti-Money Laundering (AML) involves the identification of money laundering crimes in financial activities, such as cryptocurrency transactions. Recent studies advanced AML through the lens of graph-based machine learning, modeling the web…

Machine Learning · Computer Science 2024-10-14 Kiwhan Song , Mohamed Ali Dhraief , Muhua Xu , Locke Cai , Xuhao Chen , Arvind , Jie Chen

Bitcoin has created a new exchange paradigm within which financial transactions can be trusted without an intermediary. This premise of a free decentralized transactional network however requires, in its current implementation, unrestricted…

Cryptography and Security · Computer Science 2018-10-30 Marc Jourdan , Sebastien Blandin , Laura Wynter , Pralhad Deshpande

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

In this paper, we propose a technique for rebalancing link weights in decentralized credit networks. Credit networks are peer-to-peer trust-based networks that enable fast and inexpensive cross-currency transactions compared to traditional…

Cryptography and Security · Computer Science 2020-03-10 Lalitha Muthu Subramanian , Roopa Vishwanathan , Kartick Kolachala

Blockchain-based federated learning (BCFL) has recently gained tremendous attention because of its advantages such as decentralization and privacy protection of raw data. However, there has been few research focusing on the allocation of…

Cryptography and Security · Computer Science 2022-02-23 Zhilin Wang , Qin Hu , Ruinian Li , Minghui Xu , Zehui Xiong

Over the past decade, blockchain technology has attracted a huge attention from both industry and academia because it can be integrated with a large number of everyday applications of modern information and communication technologies (ICT).…

Cryptography and Security · Computer Science 2022-07-08 Muneeb Ul Hassan , Mubashir Husain Rehmani , Jinjun Chen

The circular economy has the potential to increase resource efficiency and minimize waste through the 4R framework of reducing, reusing, recycling, and recovering. Blockchain technology is currently considered a valuable aid in the…

Recently, mesh networking and blockchain are two of the hottest technologies in the telecommunications industry. Combining both can reformulate internet access and make connecting to the Internet not only easy, but affordable too.…

Networking and Internet Architecture · Computer Science 2018-04-03 Mennan Selimi , Aniruddh Rao Kabbinale , Anwaar Ali , Leandro Navarro , Arjuna Sathiaseelan

Although blockchain, the supporting technology of Bitcoin and various cryptocurrencies, has offered a potentially effective framework for numerous applications, it still suffers from the adverse affects of the impossibility triangle.…

Cryptography and Security · Computer Science 2020-11-03 Canran Wang , Netanel Raviv

Permissionless blockchains protocols such as Bitcoin are inherently limited in transaction throughput and latency. Current efforts to address this key issue focus on off-chain payment channels that can be combined in a Payment-Channel…

Cryptography and Security · Computer Science 2019-11-22 Giulio Malavolta , Pedro Moreno-Sanchez , Aniket Kate , Matteo Maffei , Srivatsan Ravi