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In this paper, the authors propose to increase the efficiency of blockchain mining by using a population-based approach. Blockchain relies on solving difficult mathematical problems as proof-of-work within a network before blocks are added…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-02-27 Tosin P. Adewumi , Marcus Liwicki

Intelligence is one of the most important aspects in the development of our future communities. Ranging from smart home, smart building, to smart city, all these smart infrastructures must be supported by intelligent power supply. Smart…

Cryptography and Security · Computer Science 2018-06-05 Zhitao Guan , Guanlin Si , Xiaosong Zhang , Longfei Wu , Nadra Guizani , Xiaojiang Du , Yinglong Ma

As an append-only distributed database, blockchain is utilized in a vast variety of applications including the cryptocurrency and Internet-of-Things (IoT). The existing blockchain solutions have downsides in communication and storage…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-12-22 Yahya Hassanzadeh-Nazarabadi , Alptekin Küpçü , Öznur Özkasap

Bitcoin provides freshness properties by forming a blockchain where each block is associated with its timestamp and the previous block. Due to these properties, the Bitcoin protocol is being used as a decentralized, trusted, and secure…

Cryptography and Security · Computer Science 2018-05-21 Pawel Szalachowski

We propose a novel distributed integrity-preserving framework for storing trust information in crowdsourced IoT environments. The integrity and availability of the trust information is paramount to ensure accurate trust assessment. Our…

Cryptography and Security · Computer Science 2021-07-16 Mohammed Bahutair , Athman Bouguettaya

In order to fully unlock the transformative power of distributed ledgers and blockchains, it is crucial to develop innovative consensus algorithms that can overcome the obstacles of security, scalability, and interoperability, which…

Distributed, Parallel, and Cluster Computing · Computer Science 2023-10-16 Amirhossein Taherpour , Xiaodong Wang

Blockchains such as Bitcoin and Ethereum execute payment transactions securely, but their performance is limited by the need for global consensus. Payment networks overcome this limitation through off-chain transactions. Instead of writing…

Cryptography and Security · Computer Science 2019-10-29 Joshua Lind , Oded Naor , Ittay Eyal , Florian Kelbert , Peter Pietzuch , Emin Gun Sirer

Blockchain governance is paramount to leading securely a large group of users towards the same goal without disputes about the legitimacy of a blockchain instance over another. As of today, there is no efficient way of protecting this…

Cryptography and Security · Computer Science 2022-07-07 Deepal Tennakoon , Vincent Gramoli

At the scale of Uber's monorepos, traditional Git workflows become a fundamental bottleneck. Cloning multi-gigabyte repositories, maintaining local checkouts, periodically syncing from upstream, and executing repetitive fetch or push…

Software Engineering · Computer Science 2026-04-15 Preetam Dwivedi , Akshay Hacholli , Adam Bettigole

Deployment of Transformer models on edge devices is becoming increasingly challenging due to the exponentially growing inference cost that scales quadratically with the number of tokens in the input sequence. Token pruning is an emerging…

Computer Vision and Pattern Recognition · Computer Science 2024-04-09 Hongjie Wang , Bhishma Dedhia , Niraj K. Jha

Scalable and secure data management is important in Internet of Things (IoT) applications such as smart water meters, where traditional blockchain storage can be restrictive due to high data volumes. This paper investigates a hybrid…

Cryptography and Security · Computer Science 2025-02-06 Thandile Nododile , Clement Nyirenda

This article proposes a blockchain-based file storage system that utilizes DNA encryption for enhanced security. The system utilizes blockchain technology to provide decentralized and tamper-proof file storage, while DNA encryption is…

Cryptography and Security · Computer Science 2023-10-12 Onur Yıldırım

Motivated by the massive energy usage of blockchain, on the one hand, and by significant performance improvements in low-power, wimpy systems, on the other hand, we perform an in-depth time-energy analysis of blockchain systems on low-power…

Distributed, Parallel, and Cluster Computing · Computer Science 2019-06-18 Dumitrel Loghin , Gang Chen , Tien Tuan Anh Dinh , Beng Chin Ooi , Yong Meng Teo

Existing structured pruning methods typically rely on multi-stage training procedures that incur high computational costs. Pruning at initialization aims to reduce this burden but often suffers from degraded performance. To address these…

Computer Vision and Pattern Recognition · Computer Science 2025-12-18 Deepak Ghimire , Dayoung Kil , Seonghwan Jeong , Jaesik Park , Seong-heum Kim

Today's world is organized based on merit and value. A single global currency that's decentralized is needed for a global economy. Bitcoin is a partial solution to this need, however it suffers from scalability problems which prevent it…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-10-29 Iurii Shyshatsky , Vinod Manoharan , Taras Emelyanenko , Lucas Leger

Setchain has been proposed to increase blockchain scalability by relaxing the strict total order requirement among transactions. Setchain organizes elements into a sequence of sets, referred to as epochs, so that elements within each epoch…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-09-15 Arivarasan Karmegam , Gabina Luz Bianchi , Margarita Capretto , Martín Ceresa , Antonio Fernández Anta , César Sánchez

Sharding is used to improve the scalability and performance of blockchain systems. We investigate the stability of blockchain sharding, where transactions are continuously generated by an adversarial model. The system consists of $n$…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-04-23 Ramesh Adhikari , Costas Busch , Dariusz R. Kowalski

Blockchain technology facilitates the development of decentralized systems that ensure trust and transparency without the need for expensive centralized intermediaries. However, existing blockchain architectures particularly consortium…

Networking and Internet Architecture · Computer Science 2025-11-04 Qi Xia , Hu Xia , Isaac Amankona Obiri , Adjei-Arthur Bonsu , Grace Mupoyi Ntuala , Ansu Badjie , Tienin Bole Wilfried , Jiaqin Liu , Lan Ma , Jianbin Gao , Feng Yao

Bitcoin, Ethereum and other blockchain-based cryptocurrencies, as deployed today, cannot scale for wide-spread use. A leading approach for cryptocurrency scaling is a smart contract mechanism called a payment channel which enables two…

Cryptography and Security · Computer Science 2017-12-04 Andrew Miller , Iddo Bentov , Ranjit Kumaresan , Christopher Cordi , Patrick McCorry

The privacy-preserving data aggregation is a critical problem for many applications where multiple parties need to collaborate with each other privately to arrive at certain results. Blockchain, as a database shared across the network,…

Cryptography and Security · Computer Science 2023-08-30 Goshgar Ismayilov , Can Ozturan