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Blockchain technology is widely used in various fields due to its ability to provide decentralization and trustless security. This is a fundamental understanding held by many advocates, but it is misunderstood, leading participants to fail…

Cryptography and Security · Computer Science 2026-02-02 Chunyi Zhang , Fengjiao Dou , Xiaoqi Li

Financial crimes fast proliferation and sophistication require novel approaches that provide robust and effective solutions. This paper explores the potential of quantum algorithms in combating financial crimes. It highlights the advantages…

Machine Learning · Computer Science 2024-03-28 Abraham Itzhak Weinberg , Alessio Faccia

Blockchain technology is an emerging digital innovation that has gained immense popularity in enhancing individual security and privacy within Information Systems (IS). This surge in interest is reflected in the exponential increase in…

Cryptography and Security · Computer Science 2024-09-24 Gauri Shankar , Md Raihan Uddin , Saddam Mukta , Prabhat Kumar , Shareeful Islam , A. K. M. Najmul Islam

The rapid growth of Internet of Things (IoT) devices and applications has led to an increased demand for advanced analytics and machine learning techniques capable of handling the challenges associated with data privacy, security, and…

The increased use of Internet of Things (IoT) devices -- from basic sensors to robust embedded computers -- has boosted the demand for information processing and storing solutions closer to these devices. Edge computing has been established…

Distributed, Parallel, and Cluster Computing · Computer Science 2022-11-15 Daniel Montero Hernández , Jorge Peña Queralta , Tomi Westerlund

With the recent popularity of Blockchain and other Distributed Ledger Technologies (DLT), blockchain enabled smart contract applications has attracted increased research focus. However, the immutability of the blocks, where the smart…

Computers and Society · Computer Science 2020-01-30 Mahdi H. Miraz , Maaruf Ali

Cryptography underpins the security of modern digital infrastructure, from cloud services to health data. However, many widely deployed systems will become vulnerable after the advent of scalable quantum computing. Although quantum-safe…

Cryptography and Security · Computer Science 2026-01-07 Homer A. Riva-Cambrin , Rahul Singh , Sanju Lama , Garnette R. Sutherland

Quantum algorithms can deliver asymptotic speedups over their classical counterparts. However, there are few cases where a substantial quantum speedup has been worked out in detail for reasonably-sized problems, when compared with the best…

Quantum Physics · Physics 2019-07-24 Earl Campbell , Ankur Khurana , Ashley Montanaro

Cryptocurrencies are poised to revolutionize the modern economy by democratizing commerce. These currencies operate on top of blockchain-based distributed ledgers. Existing permissionless blockchain-based protocols offer unparalleled…

Cryptography and Security · Computer Science 2022-03-25 Anurag Jain , Sanidhay Arora , Sankarshan Damle , Sujit Gujar

We introduce an explicit construction for a key distribution protocol in the Quantum Computational Timelock (QCT) security model, where one assumes that computationally secure encryption may only be broken after a time much longer than the…

Quantum Physics · Physics 2025-09-24 Francesco Mazzoncini , Balthazar Bauer , Peter Brown , Romain Alléaume

Machine Learning algorithms are extensively used in an increasing number of systems, applications, technologies, and products, both in industry and in society as a whole. They enable computing devices to learn from previous experience and…

Quantum Physics · Physics 2025-02-17 Lucas Lamata

Blockchain has become a popular emergent technology in many industries. It is suitable for a broad range of applications, from its base role as an immutable distributed ledger to the deployment of distributed applications. Many…

Cryptography and Security · Computer Science 2022-12-20 Inwon Kang , Aparna Gupta , Oshani Seneviratne

We put forward the idea that classical blockchains and smart contracts are potentially useful primitives not only for classical cryptography, but for quantum cryptography as well. Abstractly, a smart contract is a functionality that allows…

Quantum Physics · Physics 2019-07-04 Andrea Coladangelo

The emergence of quantum computing presents profound challenges to existing cryptographic infrastructures, whilst the development of central bank digital currencies (CBDCs) has raised concerns regarding privacy preservation and excessive…

Emerging Technologies · Computer Science 2025-07-21 Serhan W. Bahar

Blockchain, as the basis for cryptocurrencies, has received extensive attentions recently. Blockchain serves as an immutable distributed ledger technology which allows transactions to be carried out credibly in a decentralized environment.…

Cryptography and Security · Computer Science 2023-10-10 Min An , Qiyuan Fan , Hao Yu , Haiyang Zhao

The transition to post-quantum cryptography in blockchain systems such as Bitcoin and Ethereum is often framed as a purely cryptographic problem. In practice, it also presents significant economic and infrastructural challenges: in globally…

Cryptography and Security · Computer Science 2026-05-11 Keir Finlow-Bates , Markus Jakobsson , Hossein Siadati

Blockchain transaction data exhibits high dimensionality, noise, and intricate feature entanglement, presenting significant challenges for traditional clustering algorithms. In this study, we conduct a comparative analysis of three…

Machine Learning · Computer Science 2025-05-23 Yun-Cheng Tsai , Samuel Yen-Chi Chen

The widespread adoption of blockchain technology has amplified the spectrum of potential threats to its integrity and security. The ongoing quest to exploit vulnerabilities emphasizes how critical it is to expand on current research…

Cryptography and Security · Computer Science 2024-04-30 Kaustubh Dwivedi , Ankit Agrawal , Ashutosh Bhatia , Kamlesh Tiwari

The intersection of cloud computing, blockchain technology, and the impending era of quantum computing presents a critical juncture for data security. This research addresses the escalating vulnerabilities by proposing a comprehensive…

Cryptography and Security · Computer Science 2024-07-30 D. Dhinakaran , D. Selvaraj , N. Dharini , S. Edwin Raja , C. Sakthi Lakshmi Priya

Public Cloud Computing has become a fundamental part of modern IT infrastructure as its adoption has transformed the way businesses operate. However, cloud security concerns introduce new risks and challenges related to data protection,…

Cryptography and Security · Computer Science 2024-08-31 Patil Pratik Vijaykumar , Prerna Tulsiani , Sunil Mane