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Large Language Models (LLMs) demonstrate strong potential across a variety of tasks in communications and networking due to their advanced reasoning capabilities. However, because different LLMs have different model structures and are…

Networking and Internet Architecture · Computer Science 2025-05-07 Haoxiang Luo , Gang Sun , Yinqiu Liu , Dusit Niyato , Hongfang Yu , Mohammed Atiquzzaman , Schahram Dustdar

Throughput limitations of existing blockchain architectures are one of the most significant hurdles for their wide-spread adoption. Attempts to address this challenge include layer-2 solutions, such as Bitcoin's Lightning or Ethereum's…

Distributed, Parallel, and Cluster Computing · Computer Science 2019-09-13 Alexander Hentschel , Dieter Shirley , Layne Lafrance

A Unitychain is a novel blockchain-like structure that drastically improves transaction scalability and security while maintaining ongoing network performance, even if participating nodes are required to perform a new Distributed Key…

Cryptography and Security · Computer Science 2021-01-22 Joshua D. Tobkin

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

Blockchain technology has been used to build next-generation applications taking advantage of its decentralised nature. Nevertheless, there are some serious concerns about the trustworthiness of blockchain due to the vulnerabilities in…

Cryptography and Security · Computer Science 2022-09-23 Yue Liu , Qinghua Lu , Guangsheng Yu , Hye-Young Paik , Harsha Perera , Liming Zhu

The security of blockchain systems based on Proof of Work relies on mining. However, mining suffers from unstable revenue, prompting many miners to form cooperative mining pools. Most existing mining pools operate in a centralized manner,…

Cryptography and Security · Computer Science 2025-01-28 Akira Sakurai , Kazuyuki Shudo

The adoption of permissioned blockchain networks in enterprise settings has seen an increase in growth over the past few years. While encouraging, this is leading to the emergence of new data, asset and process silos limiting the potential…

Distributed, Parallel, and Cluster Computing · Computer Science 2019-11-05 Ermyas Abebe , Dushyant Behl , Chander Govindarajan , Yining Hu , Dileban Karunamoorthy , Petr Novotny , Vinayaka Pandit , Venkatraman Ramakrishna , Christian Vecchiola

Payment channel networks are an approach to improve the scalability of blockchain-based cryptocurrencies. Because payment channel networks are used for transfer of financial value, their security in the presence of adversarial participants…

Logic in Computer Science · Computer Science 2023-07-06 Matthias Grundmann , Hannes Hartenstein

Blockchains and distributed ledger technology offer promising capabilities for supporting collaborative business processes across organizations. Typically, approaches in this field fall into two categories: either executing the entire…

Software Engineering · Computer Science 2023-12-13 Julius Köpke , Sebastian Trattnig

Blockchain technology has become almost as famous for incidents involving security breaches as for its innovative potential. We shed light on the prevalence and nature of these incidents through a database structured using the STIX format.…

Blockchain has been widely deployed in various sectors, such as finance, education, and public services. Since blockchain runs as an immutable distributed ledger, it has decentralized mechanisms with persistency, anonymity, and…

Cryptography and Security · Computer Science 2021-11-30 Qian Wei , Bingzhe Li , Wanli Chang , Zhiping Jia , Zhaoyan Shen , Zili Shao

A detailed exploration of blockchain technology and its applications across various fields is provided, beginning with an introduction to cryptography fundamentals, including symmetric and asymmetric encryption, and their roles in ensuring…

Accountability, the ability to provably identify protocol violators, gained prominence as the main economic argument for the security of proof-of-stake (PoS) protocols. Rollups, the most popular scaling solution for blockchains, typically…

Cryptography and Security · Computer Science 2022-11-08 Ertem Nusret Tas , John Adler , Mustafa Al-Bassam , Ismail Khoffi , David Tse , Nima Vaziri

The so-called blockchain trilemma asserts the impossibility of simultaneously achieving scalability, security, and decentralisation within a single blockchain protocol. In this paper, we formally refute that proposition. Employing predicate…

Computational Complexity · Computer Science 2025-07-09 Craig Wright

Blockchain, also coined as decentralized AI, has the potential to empower AI to be more trustworthy by creating a decentralized trust of privacy, security, and audibility. However, systematic studies on the design principle of blockchain as…

Cryptography and Security · Computer Science 2023-01-18 Luyao Sunshine Zhang

The blockchain technology enables mutually untrusting participants to reach consensus on the state of a distributed and decentralized ledger (called a blockchain) in a permissionless setting. The consensus protocol of the blockchain imposes…

Cryptography and Security · Computer Science 2019-03-12 Chunpeng Ge , Siwei Sun , Pawel Szalachowski

To improve transaction rates, many cryptocurrencies have implemented so-called ''Layer-2'' transaction protocols, where payments are routed across networks of private payment channels. However, for a given transaction, not every network…

Data Structures and Algorithms · Computer Science 2020-06-30 Ashish Goel , Geoffrey Ramseyer

The future communication will be characterized by ubiquitous connectivity and security. These features will be essential requirements for the efficient functioning of the futuristic applications. In this paper, in order to highlight the…

Cryptography and Security · Computer Science 2021-06-11 Ali Hussain Khan , Naveed UL Hassan , Chau Yuen , Jun Zhao , Dusit Niyato , Yan Zhang , H. Vincent Poor

Blockchains face a scalability challenge due to the intrinsic throughput limitations of consensus protocols and the limitation in block sizes due to decentralization. An alternative to improve the number of transactions per second is to use…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-03-10 Margarita Capretto , Martín Ceresa , Antonio Fernández Anta , Pedro Moreno-Sánchez , César Sánchez

Interoperability is essential for transforming blockchains from isolated networks into collaborative ecosystems, unlocking their full potential. While significant progress has been made in public blockchain interoperability, bridging…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-10-17 Saeed Moradi , Koosha Esmaeilzadeh Khorasani , Sara Rouhani