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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

The metaverse, emerging as a revolutionary platform for social and economic activities, provides various virtual services while posing security and privacy challenges. Wearable devices serve as bridges between the real world and the…

Cryptography and Security · Computer Science 2024-10-30 Wenbo Liu , Handi Chen , Edith C. H. Ngai

Collaborative content generation (CCG) enables collective creation of artifacts like scientific articles. Quality is a paramount concern in CCG, and a multitude of methods have been proposed to evaluate the quality of artifacts.…

Social and Information Networks · Computer Science 2025-07-29 Sadegh Sohani , Maliheh Shahryari , Salar Ghazi , Mohammad Allahbakhsh , Haleh Amintoosi , Boualem Benatallah

Energy shortfall and electricity load shedding are the main problems for developing countries. The main causes are lack of management in the energy sector and the use of non-renewable energy sources. The improved energy management and use…

Machine Learning · Computer Science 2023-07-19 Muhammad Shoaib Farooq , Azeen Ahmed Hayat

The past decade has witnessed the rapid evolution in blockchain technologies, which has attracted tremendous interests from both the research communities and industries. The blockchain network was originated from the Internet financial…

Cryptography and Security · Computer Science 2019-02-20 Wenbo Wang , Dinh Thai Hoang , Peizhao Hu , Zehui Xiong , Dusit Niyato , Ping Wang , Yonggang Wen , Dong In Kim

We argue that recent developments in proof-of-work consensus mechanisms can be used in accordance with advancements in formal verification techniques to build a distributed payment protocol that addresses important economic drawbacks from…

Cryptography and Security · Computer Science 2020-05-14 Assimakis Kattis , Fabian Trottner

In recent years, blockchain has gained widespread attention as an emerging technology for decentralization, transparency, and immutability in advancing online activities over public networks. As an essential market process, auctions have…

Cryptography and Security · Computer Science 2022-11-29 Zeshun Shi , Cees de Laat , Paola Grosso , Zhiming Zhao

Despite the great potential of Federated Learning (FL) in large-scale distributed learning, the current system is still subject to several privacy issues due to the fact that local models trained by clients are exposed to the central…

Cryptography and Security · Computer Science 2022-05-12 Truc Nguyen , Phuc Thai , Tre' R. Jeter , Thang N. Dinh , My T. Thai

The core of a blockchain network is its consensus algorithm. Starting with the Proof-of-Work, there have been various versions of consensus algorithms, such as Proof-of-Stake (PoS), Proof-of-Authority (PoA), and Practical Byzantine Fault…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-12-10 Tariqul Islam , Faisal Haque Bappy , Tarannum Shaila Zaman , Md Sajidul Islam Sajid , Mir Mehedi Ahsan Pritom

In the past decades, the blockchain technology has attracted tremendous attention from both academia and industry. The popularity of blockchain networks was originated from a crypto-currency to serve as a decentralized and tamperproof…

Computer Science and Game Theory · Computer Science 2019-03-18 Ziyao Liu , Nguyen Cong Luong , Wenbo Wang , Dusit Niyato , Ping Wang , Ying-Chang Liang , Dong In Kim

Blockchains are maintained by a network of participants that run algorithms designed to maintain collectively a distributed machine tolerant to Byzantine attacks. From the point of view of users, blockchains provide the illusion of…

Logic in Computer Science · Computer Science 2022-07-15 Martán Ceresa , César Sánchez

Blockchains are being positioned as the "technology of trust" that can be used to mediate transactions between non-trusting parties without the need for a central authority. They support transaction types that are native to the blockchain…

Cryptography and Security · Computer Science 2024-11-06 Nodirbek Korchiev , Akash Pateria , Vodelina Samatova , Sogolsadat Mansouri , Kemafor Anyanwu

Message exchange among vehicles plays an important role in ensuring road safety. Emergency message dissemination is usually carried out by broadcasting. However, high vehicle density and mobility usually lead to challenges in message…

Cryptography and Security · Computer Science 2021-09-15 Ferheen Ayaz , Zhengguo Sheng , Daxin Tian , Yong Liang Guan

Many studies have been done to improve the performance of centrally controlled business processes and enhance the integration between different parties of these collaborations. However, the most serious issues of collaborative business…

Cryptography and Security · Computer Science 2019-04-12 Vahid Pourheidari , Sara Rouhani , Ralph deters

Blockchain has been praised for its capacity to hold data in a decentralized and tamper-proof way. It also supports the execution of code through blockchain's smart contracts, adding automation of actions to the network with high…

Cryptography and Security · Computer Science 2021-01-25 Nicolas Six , Claudia Negri Ribalta , Nicolas Herbaut , Camille Salinesi

This master thesis deals with Blockchain Technology in mobile turn based peer to peer games. First, it investigates the capabilities of Blockchain Technology to be used for gaming applications. In this regard, among others,…

Distributed, Parallel, and Cluster Computing · Computer Science 2023-04-18 Dominik Braun

The safety-critical scenarios of artificial intelligence (AI), such as autonomous driving, Internet of Things, smart healthcare, etc., have raised critical requirements of trustworthy AI to guarantee the privacy and security with reliable…

Machine Learning · Computer Science 2024-10-28 Zhanpeng Yang , Yuanming Shi , Yong Zhou , Zixin Wang , Kai Yang

A blockchain is a distributed ledger forming a distributed consensus on a history of transactions. It is the underlying technology for the Bitcoin cryptocurrency, but there are many applications beyond the financial sector. With built-in…

Cryptography and Security · Computer Science 2019-12-23 Nathaniel Aldred , Luke Baal , Graeham Broda , Steven Trumble , Qusay H. Mahmoud

Today, Internet of Things (IoT) devices are the powerhouse of data generation with their ever-increasing numbers and widespread penetration. Similarly, artificial intelligence (AI) and machine learning (ML) solutions are getting integrated…

Cryptography and Security · Computer Science 2019-01-21 Kazım Rıfat Özyılmaz , Mehmet Doğan , Arda Yurdakul

This work presents the design and implementation of a blockchain system that enables the trustable transactive energy management for distributed energy resources (DERs). We model the interactions among DERs, including energy trading and…

Distributed, Parallel, and Cluster Computing · Computer Science 2021-06-07 Qing Yang , Hao Wang , Xiaoxiao Wu , Taotao Wang , Shengli Zhang