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Blockchain is rapidly emerging as an important class of network application, with a unique set of trust, security and transparency properties. In a blockchain system, participants record and update the `server-side' state of an application…

Networking and Internet Architecture · Computer Science 2022-05-24 Yifan Mao , Shaileshh Bojja Venkatakrishnan

Bitcoin is the most successful cryptocurrency so far. This is mainly due to its novel consensus algorithm, which is based on proof-of-work combined with a cryptographically-protected data structure and a rewarding scheme that incentivizes…

Cryptography and Security · Computer Science 2019-05-24 Pawel Szalachowski , Daniel Reijsbergen , Ivan Homoliak , Siwei Sun

Blockchain technology is among the fastest-growing technologies in the world today. It has been adopted in diverse areas but mostly in financial systems, such as Bitcoin cryptocurrency. Therefore, it is a niche that has attracted interest…

Cryptography and Security · Computer Science 2021-06-30 Mabrook S. Al-Rakhami , Abdu Gumaei , Sk. Md. Mizanur Rahman , Atif Al-Amri

Proof of Work (PoW) blockchains burn a lot of energy. Proof-of-work algorithms are expensive by design and often only serve to compute blockchains. In some sense, carbon-based and non-carbon based regional electric power is fungible. So the…

Cryptography and Security · Computer Science 2024-04-09 Agron Gemajli , Shivam Patel , Phillip G. Bradford

Hyperdimensional Computing (HDC), a technique inspired by cognitive models of computation, has been proposed as an efficient and robust alternative basis for machine learning. HDC programs are often manually written in low-level and target…

Proof-of-Stake blockchains based on a longest-chain consensus protocol are an attractive energy-friendly alternative to the Proof-of-Work paradigm. However, formal barriers to "getting the incentives right" were recently discovered, driven…

Computer Science and Game Theory · Computer Science 2023-10-31 Matheus V. X. Ferreira , S. Matthew Weinberg

Blockchain technology has evolved from being an immutable ledger of transactions for cryptocurrencies to a programmable interactive the environment for building distributed reliable applications. Although, blockchain technology has been…

Cryptography and Security · Computer Science 2017-09-29 Aravind Ramachandran , Dr. Murat Kantarcioglu

Cross-institutional healthcare predictive modeling can accelerate research and facilitate quality improvement initiatives, and thus is important for national healthcare delivery priorities. For example, a model that predicts risk of…

Computers and Society · Computer Science 2018-02-07 Tsung-Ting Kuo , Lucila Ohno-Machado

Biometric recognition as an efficient and hard-to-forge way of identification and verification has become an indispensable part of the current digital world. The fast evolution of this technology has been a strong incentive for integration…

Computer Vision and Pattern Recognition · Computer Science 2025-10-28 Mahdi Ghafourian , Bilgesu Sumer , Ruben Vera-Rodriguez , Julian Fierrez , Ruben Tolosana , Aythami Moralez , Els Kindt

The blockchain concept forms the backbone of a new wave technology that promises to be deployed extensively in a wide variety of industrial and societal applications. Governments, financial institutions, banks, industrial supply chains,…

Computer Science and Game Theory · Computer Science 2020-01-17 Shivika Narang

Assessing employees' well-being has become central to fostering an environment where employees can thrive and contribute to companies' adaptability and competitiveness in the market. Traditional methods for assessing well-being often face…

Computers and Society · Computer Science 2024-10-29 Adèle Bréart De Boisanger , Wendy Sims-Schouten , Francois Sicard

By mimicking brain-like cognition and exploiting parallelism, hyperdimensional computing (HDC) classifiers have been emerging as a lightweight framework to achieve efficient on-device inference. Nonetheless, they have two fundamental…

Machine Learning · Computer Science 2022-04-04 Shijin Duan , Xiaolin Xu , Shaolei Ren

Hyperdimensional Computing (HDC) developed by Kanerva is a computational model for machine learning inspired by neuroscience. HDC exploits characteristics of biological neural systems such as high-dimensionality, randomness and a…

Machine Learning · Computer Science 2022-05-17 Igor Nunes , Mike Heddes , Tony Givargis , Alexandru Nicolau , Alex Veidenbaum

Metaverse has rekindled human beings' desire to further break space-time barriers by fusing the virtual and real worlds. However, security and privacy threats hinder us from building a utopia. A metaverse embraces various techniques, while…

Cryptography and Security · Computer Science 2022-12-19 Minghui Xu , Yihao Guo , Qin Hu , Zehui Xiong , Dongxiao Yu , Xiuzhen Cheng

Fabric is a modular and extensible open-source system for deploying and operating permissioned blockchains and one of the Hyperledger projects hosted by the Linux Foundation (www.hyperledger.org). Fabric is the first truly extensible…

As the use of DevOps practices continues to grow, organizations are seeking ways to improve collaboration, speed up development cycles, and increase security, transparency, and traceability. Blockchain technology has the potential to…

Cryptography and Security · Computer Science 2023-06-02 Muhammad Shoaib Farooq , Usman Ali

Blockchain scalability can be complicated and costly. As enterprises begin to adopt blockchain technology to solve business problems, there are valid concerns if blockchain applications can support the transactional demands of production…

Distributed, Parallel, and Cluster Computing · Computer Science 2019-12-25 Grant Chung , Luc Desrosiers , Manav Gupta , Andrew Sutton , Kaushik Venkatadri , Ontak Wong , Goran Zugic

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

This paper introduces a Blockchain-Integrated Explainable AI Framework (BXHF) for healthcare systems to tackle two essential challenges confronting health information networks: safe data exchange and comprehensible AI-driven clinical…

Cryptography and Security · Computer Science 2025-09-19 Md Talha Mohsin

Current blockchain protocols (e.g., Proof-of-Work and Proof-of-Stake) secure the ledger yet cannot measure validator trustworthiness, allowing subtle misconduct that is especially damaging in decentralized-finance (DeFi) settings. We…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-06-30 Ailiya Borjigin , Wei Zhou , Cong He