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Blockchain governance is a subject of ongoing research and an interdisciplinary view of blockchain governance is vital to aid in further research for establishing a formal governance framework for this nascent technology. In this paper, the…

Computer Science and Game Theory · Computer Science 2020-03-23 Nida Khan , Tabrez Ahmad , Anass Patel , Radu State

Sharding has shown great potential to scale out blockchains. It divides nodes into smaller groups which allow for partial transaction processing, relaying and storage. Hence, instead of running one blockchain, we will run multiple…

Distributed, Parallel, and Cluster Computing · Computer Science 2022-10-11 Pourya Soltani , Farid Ashtiani

Blockchains have block-size limits to ensure the entire cluster can keep up with the tip of the chain. These block-size limits are usually single-dimensional, but richer multidimensional constraints allow for greater throughput. The…

Computer Science and Game Theory · Computer Science 2025-04-23 Nir Lavee , Noam Nisan , Mallesh Pai , Max Resnick

Blockchain technology promises to democratize finance and promote social equity through decentralization, but questions remain about whether current implementations advance or hinder these goals. Through a mixed-methods study combining…

Human-Computer Interaction · Computer Science 2025-05-13 Faisal Haque Bappy , EunJeong Cheon , Tariqul Islam

Proof-of-stake (PoS) is a promising approach for designing efficient blockchains, where block proposers are randomly chosen with probability proportional to their stake. A primary concern with PoS systems is the "rich getting richer"…

Cryptography and Security · Computer Science 2018-10-17 Giulia Fanti , Leonid Kogan , Sewoong Oh , Kathleen Ruan , Pramod Viswanath , Gerui Wang

Blockchain technology is ushering in another break-out year, the challenge of blockchain still remains to be solved. This paper analyzes the features of Bitcoin and Bitcoin-NG system based on blockchain, proposes an improved method of…

Cryptography and Security · Computer Science 2018-11-01 Jia Kan , Shangzhe Chen , Xin Huang

We present an example where a distributed coordinated protocol supported by a blockchain-enabled monetary mechanism leads to achieving optimal information theoretic degrees of freedom gains. The considered setting is that of a linear…

Information Theory · Computer Science 2018-08-07 Aly El Gamal , Hesham El Gamal

Decentralization is widely recognized as a crucial characteristic of blockchains that enables them to resist malicious attacks such as the 51% attack and the takeover attack. Prior research has primarily examined decentralization in…

Cryptography and Security · Computer Science 2023-06-12 Chao Li , Balaji Palanisamy , Runhua Xu , Li Duan

The objective of this paper is the construction of new indicators that can be useful to operate in the cryptocurrency market. These indicators are based on public data obtained from the blockchain network, specifically from the nodes that…

Statistical Finance · Quantitative Finance 2024-03-05 Juan C. King , Roberto Dale , José M. Amigó

Mobile edge computing (MEC) and next-generation mobile networks are set to disrupt the way intelligent and autonomous systems are interconnected. This will have an effect on a wide range of domains, from the Internet of Things to autonomous…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-06-16 Jorge Peña Queralta , Tomi Westerlund

Trading data through blockchain platforms is hard to achieve \textit{fair exchange}. Reasons come from two folds: Firstly, guaranteeing fairness between sellers and consumers is a challenging task as the deception of any participating…

Cryptography and Security · Computer Science 2023-11-01 Erya Jiang , Bo Qin , Qin Wang , Qianhong Wu , Sanxi Li , Wenchang Shi , Yingxin Bi , Wenyi Tang

Decentralization is a fundamental design element of the Web3 economy. Blockchains and distributed consensus mechanisms are touted as fault-tolerant, attack-resistant, and collusion-proof because they are decentralized. Recent analyses,…

Networking and Internet Architecture · Computer Science 2026-04-15 Harang Ju , Madhav Kumar , Ehsan Valavi , Sinan Aral

This paper presents a new blockchain network simulator that uses bitcoin's original reference implementation as its main application. The proposed simulator leverages the use of lightweight virtualization technology to build a fine tuned…

Cryptography and Security · Computer Science 2020-02-12 Lina Alsahan , Noureddine Lasla , Mohamed Abdallah

Permissioned blockchains have been proposed for a variety of use cases that require decentralization yet address enterprise requirements that permissionless blockchains to date cannot satisfy -- particularly in terms of performance.…

Cryptography and Security · Computer Science 2024-04-05 Orestis Papageorgiou , Lasse Börtzler , Egor Ermolaev , Jyoti Kumari , Johannes Sedlmeir

The security of blockchain systems is fundamentally based on the decentralized consensus in which the majority of parties behave honestly, and the content verification process is essential to maintaining the robustness of blockchain…

Cryptography and Security · Computer Science 2025-08-21 Zishuo Zhao , Xi Chen , Yuan Zhou

In this paper, we construct a decentralized clearing mechanism which endogenously and automatically provides a claims resolution procedure. This mechanism can be used to clear a network of obligations through blockchain. In particular, we…

Risk Management · Quantitative Finance 2022-01-11 Hamed Amini , Maxim Bichuch , Zachary Feinstein

In this paper, a novel framework that uses wireless mobile miners (MMs) for computation purposes in a blockchain system is proposed. In the introduced system, the blockchain ledger is located at the communication nodes (CNs), and the MMs…

Information Theory · Computer Science 2019-06-18 Gilsoo Lee , Jihong Park , Walid Saad , Mehdi Bennis

Mining for Bitcoins is a high-risk high-reward activity. Miners, seeking to reduce their variance and earn steadier rewards, collaborate in pooling strategies where they jointly mine for Bitcoins. Whenever some pool participant is…

Computer Science and Game Theory · Computer Science 2017-03-14 Ben A. Fisch , Rafael Pass , Abhi Shelat

Decentralized storage networks offer services with intriguing possibilities to reduce inequalities in an extremely centralized market. The challenge is to conceive incentives that are fair in regard to the income distribution among peers.…

Networking and Internet Architecture · Computer Science 2023-10-03 Vahid Heidaripour Lakhani , Arman Babaei , Leander Jehl , Georgy Ishmaev , Vero Estrada-Galiñanes

This paper opts to mitigate the energy-inefficiency of the Blockchain Proof-of-Work (PoW) consensus algorithm by rationally repurposing the power spent during the mining process. The original PoW mining scheme is designed to consider one…

Cryptography and Security · Computer Science 2020-07-09 Noureddine Lasla , Lina Alsahan , Mohamed Abdallah , Mohamed Younis