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Limited access to computing resources and training data poses significant challenges for individuals and groups aiming to train and utilize predictive machine learning models. Although numerous publicly available machine learning models…

Machine Learning · Computer Science 2023-07-31 Matthew T. Pisano , Connor J. Patterson , Oshani Seneviratne

Blockchain and distributed ledger technologies (DLTs) facilitate decentralized computations across trust boundaries. However, ensuring complex computations with low gas fees and confidentiality remains challenging. Recent advances in…

Cryptography and Security · Computer Science 2026-02-12 Fernando Castillo , Jonathan Heiss , Sebastian Werner , Stefan Tai

Similar to other transaction processing frameworks, blockchain systems need to be dynamically reconfigured to adapt to varying workloads and changes in network conditions. However, achieving optimal reconfiguration is particularly…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-06-11 Jeeta Ann Chacko , Ruben Mayer , Hans-Arno Jacobsen

This publication describes the block winner selection process that will be used in a novel Proof-of-Useful-Work blockchain for High Energy Physics that the authors are currently working on. Instead of spamming hashing operations to mine…

Cryptography and Security · Computer Science 2023-12-05 Felix Hoffmann , Udo Kebschull

Several problems in healthcare stem from the complex network of intermediaries and the lack of traceability of transactions. To mention a few: healthcare data is fragmented across several silos negatively affecting research and services,…

Computers and Society · Computer Science 2018-12-10 Gajendra J. Katuwal , Sandip Pandey , Mark Hennessey , Bishal Lamichhane

This work proposes a scalable, blockchain-based platform for the secure sharing of COVID-19 or other disease vaccination certificates. As an indicative use case, we simulate a large-scale deployment by considering the countries of the…

The advancement in the healthcare sector is entering into a new era in the form of Health 4.0. The integration of innovative technologies like Cyber-Physical Systems (CPS), Big Data, Cloud Computing, Machine Learning, and Blockchain with…

Cryptography and Security · Computer Science 2021-03-24 Mayank Pandey , Rachit Agarwal , Sandeep K. Shukla , Nishchal K. Verma

Technology has evolved over the years, making our lives easier. It has impacted the healthcare sector, increasing the average life expectancy of human beings. Still, there are gaps that remain unaddressed. There is a lack of transparency in…

Cryptography and Security · Computer Science 2022-09-27 Debendranath Das

While homomorphic encryption (HE) provides strong privacy protection, its high computational cost has restricted its application to simple tasks. Recently, hyperdimensional computing (HDC) applied to HE has shown promising performance for…

Cryptography and Security · Computer Science 2025-11-04 Jaewoo Park , Chenghao Quan , Jongeun Lee

Machine learning models are often provisioned as a cloud-based service where the clients send their data to the service provider to obtain the result. This setting is commonplace due to the high value of the models, but it requires the…

Cryptography and Security · Computer Science 2023-10-12 Jaewoo Park , Chenghao Quan , Hyungon Moon , Jongeun Lee

This thesis provides an in-depth exploration of the Decentralized Co-governance Crowdfunding (DCC) Ecosystem, a novel solution addressing prevailing challenges in conventional crowdfunding methods faced by MSMEs and innovative projects.…

Computers and Society · Computer Science 2023-06-05 Bingyou Chen , Yu Luo , Jieni Li , Yujian Li , Ying Liu , Fan Yang , Junge Bo , Yanan Qiao

Blockchain technologies are gaining massive momentum in the last few years. Blockchains are distributed ledgers that enable parties who do not fully trust each other to maintain a set of global states. The parties agree on the existence,…

Databases · Computer Science 2017-08-21 Tien Tuan Anh Dinh , Rui Liu , Meihui Zhang , Gang Chen , Beng Chin Ooi , Ji Wang

This paper critically reviews the integration of Artificial Intelligence (AI) and blockchain technologies in the context of Medical Internet of Things (MedIoT) applications, where they collectively promise to revolutionize healthcare…

Cryptography and Security · Computer Science 2025-01-07 Ellis Solaiman , Christa Awad

The advancement of Internet and Communication Technologies (ICTs) has led to the era of Industry 4.0. This shift is followed by healthcare industries creating the term Healthcare 4.0. In Healthcare 4.0, the use of IoT-enabled medical…

Cryptography and Security · Computer Science 2023-05-17 Veronika Stephanie , Ibrahim Khalil , Mohammed Atiquzzaman , Xun Yi

Blockchain has come a long way: a system that was initially proposed specifically for cryptocurrencies is now being adapted and adopted as a general-purpose transactional system. As blockchain evolves into another data management system,…

Databases · Computer Science 2021-01-18 Pingcheng Ruan , Tien Tuan Anh Dinh , Dumitrel Loghin , Meihui Zhang , Gang Chen , Qian Lin , Beng Chin Ooi

Blockchain is one of the most discussed and highly accepted technologies, primarily due to its application in almost every field where third parties are needed for trust. Blockchain technology relies on distributed consensus for trust,…

Cryptography and Security · Computer Science 2022-02-02 Arman Rasoodl Faridi , Faraz Masood , Ali Haider Thabet Shamsan , Mohammad Luqman , Monir Yahya Salmony

Image and video descriptors are an omnipresent tool in computer vision and its application fields like mobile robotics. Many hand-crafted and in particular learned image descriptors are numerical vectors with a potentially (very) large…

Computer Vision and Pattern Recognition · Computer Science 2021-01-20 Peer Neubert , Stefan Schubert

As an emerging service framework built by combining cryptography, P2P network, consensus mechanism and innovative contract technology, blockchain has been widely used in digital finance, data sharing, message traceability and electronic…

Cryptography and Security · Computer Science 2025-08-05 Wenwen Zhou , Dongyang Lyu , Xiaoqi Li

Bitcoin is the most secure blockchain in the world, supported by the immense hash power of its Proof-of-Work miners, but consumes huge amount of energy. Proof-of-Stake chains are energy-efficient, have fast finality and accountability, but…

Cryptography and Security · Computer Science 2022-01-21 Ertem Nusret Tas , David Tse , Fisher Yu , Sreeram Kannan

Skill verification is a central problem in workforce hiring. Companies and academia often face the difficulty of ascertaining the skills of an applicant since the certifications of the skills claimed by a candidate are generally not…

Cryptography and Security · Computer Science 2020-03-26 Jay Gupta , Swaprava Nath