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This dissertation addresses the challenge of ensuring transactional integrity and reducing costs in corporate governance through blockchain technology. We propose an on-chain methodology for certifying, registering, and querying…

Cryptography and Security · Computer Science 2025-01-27 Antonio Hoffert

The growing digitization of education presents significant challenges in maintaining the integrity and trustworthiness of educational content. Traditional systems often fail to ensure data authenticity and prevent unauthorized alterations,…

Cryptography and Security · Computer Science 2024-10-01 Talgar Bayan , Richard Banach , Askar Nurbekov , Makhmud Mustafabek Galy , Adi Sabyrbayev , Zhanat Nurbekova

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

A trusted achievement record is a secure system that aims to record and authenticate certificates as well as key learning activities and achievements. This paper intends to gather important information on the thoughts and outlooks of…

Computers and Society · Computer Science 2020-07-07 Bakri Awaji , Ellis Solaiman , Lindsay Marshall

Recruiters and institutions around the world struggle with the verification of diplomas issued in a diverse and global education setting. Firstly, it is a nontrivial problem to identify bogus institutions selling education credentials.…

Computers and Society · Computer Science 2021-06-25 Stefan More , Peter Grassberger , Felix Hörandner , Andreas Abraham , Lukas Daniel Klausner

Deepfake technology is a major threat to the integrity of digital media. This paper presents a comprehensive framework for a blockchain-based decentralized system designed to tackle the escalating challenge of digital content integrity. The…

Cryptography and Security · Computer Science 2023-12-05 Dipankar Sarkar

The development of blockchain technology has significantly enhanced the security and transparency of personal information and transaction records. Concurrent with the advancement of blockchain technology and the emergence of the digital…

Cryptography and Security · Computer Science 2025-09-03 Zeng Zhang , Xiaoqi Li

Many institutions and organizations require nostrification and verification of qualification as a prerequisite for hiring. The idea is to recognize the authenticity of a copy or digital document issued by an institution in a foreign country…

Cryptography and Security · Computer Science 2023-10-16 Monther Aldwairi , Mohamad Badra , Rouba Borghol

In this paper, we present a study of a Federated Learning (FL) system, based on the use of decentralized architectures to ensure trust and increase reliability. The system is based on the idea that the FL collaborators upload the (ciphered)…

Artificial Intelligence · Computer Science 2024-07-10 Lorenzo Cassano , Jacopo D'Abramo , Siraj Munir , Stefano Ferretti

Traditional centralized scholarship evaluation processes typically require students to submit detailed academic records and qualification information, which exposes them to risks of data leakage and misuse, making it difficult to…

Cryptography and Security · Computer Science 2025-10-30 Yi Chen , Bin Chen , Peichang Zhang , Da Che

In this paper, we propose a blockchain-based computing verification protocol, called EntrapNet, for distributed shared computing networks, an emerging underlying network for many internet of things (IoT) applications. EntrapNet borrows the…

Cryptography and Security · Computer Science 2021-05-04 Chong Li , Lei Zhang , Serbiao Fang

A decentralized online petition system enables individuals or groups to create, sign, and share petitions without a central authority. Using blockchain technology, these systems ensure the integrity and transparency of the petition process…

Cryptography and Security · Computer Science 2024-07-02 Jagdeep Kaur , Kevin Antony , Nikhil Pujar , Ankit Jha

There is growing interest in providing programmatic access to the value locked in Bitcoin, which famously offers limited programmability itself. Various approaches have been put forth in recent years, with the vast majority of proposed…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-06-30 Ryan Croote , Islam El-Ashi , Thomas Locher , Yvonne-Anne Pignolet

Blockchains and distributed ledger technologies allow the operation of manifold decentralised applications (dApps). Such applications are based on smart contracts, a programmable abstraction that is executed in a decentralised manner. To…

Software Engineering · Computer Science 2026-05-22 Fabian Stiehle , Kirill Inozemtsev , Ingo Weber

The problem of a single point of failure in centralized systems poses a great challenge to the stability of such systems. Meanwhile, the tamperability of data within centralized systems makes users reluctant to trust and use centralized…

Cryptography and Security · Computer Science 2025-04-22 Ka Wai Wu

The communication protocols and data transfer mechanisms employed by IoT devices in smart buildings and corresponding digital twin systems predominantly rely on centralized architectures. Such centralized systems are vulnerable to single…

Cryptography and Security · Computer Science 2026-04-21 Reachsak Ly , Alireza Shojaei

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

Blockchain technology has emerged as a transformative tool for data management in a variety of industries, including fintech, research and healthcare. We have developed a workable blockchain based system that utilizes non fungible tokens…

Computers and Society · Computer Science 2024-12-19 Prakhyat Khati , Ajay Kumar Shrestha , Julita Vassileva

The primary purpose of this paper is to provide a design of a blockchain-based system, which produces a verifiable record of achievements. Such a system has a wide range of potential benefits for students, employers and higher education…

Computers and Society · Computer Science 2020-07-07 Bakri Awaji , Ellis Solaiman , Lindsay Marshall

Blockchain technology has been envisaged to commence an era of decentralised applications and services (DApps) without the need for a trusted intermediary. Such DApps open a marketplace in which services are delivered to end-users by…

Cryptography and Security · Computer Science 2021-01-27 Nguyen Truong , Gyu Myoung Lee , Kai Sun , Florian Guitton , Yike Guo