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Blockchain is a decentralized transaction and data management solution, the technological leap behind the success of Bitcoin and other cryptocurrencies. As the variety of existing blockchains and distributed ledgers continues to increase,…

Cryptography and Security · Computer Science 2020-07-27 Martin Garriga , Stefano Dalla Palma , Maximiliano Arias , Alan De Renzis , Remo Pareschi , Damian Andrew Tamburri

As we observe a trend towards the recentralisation of the Internet, this paper raises the question of guaranteeing an everlasting decentralisation. We introduce the properties of strong and soft uncentralisability in order to describe…

Cryptography and Security · Computer Science 2018-01-25 Lionel Dricot , Olivier Pereira

The use of the term blockchain is documented for disparate projects, from cryptocurrencies to applications for the Internet of Things (IoT), and many more. The concept of blockchain appears therefore blurred, as it is hard to believe that…

Cryptography and Security · Computer Science 2021-02-09 Lorenzo Ghiro , Francesco Restuccia , Salvatore D'Oro , Stefano Basagni , Tommaso Melodia , Leonardo Maccari , Renato Lo Cigno

Traditional paper-based document management has long posed challenges related to security, authenticity, and efficiency. Despite advances in digitalization, official documents remain vulnerable to forgery, loss, and unauthorized access.…

Cryptography and Security · Computer Science 2026-01-21 Cosmin-Iulian Irimia

Decentralized Finance (DeFi) refers to financial services that are not necessarily related to crypto-currencies. By employing blockchain for security and integrity, DeFi creates new possibilities that attract retail and institution users,…

Cryptography and Security · Computer Science 2024-04-18 Krzysztof Gogol , Christian Killer , Malte Schlosser , Thomas Bocek , Burkhard Stiller , Claudio Tessone

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

Blockchain has made an impact on today's technology by revolutionizing the financial industry in its utilization on cryptocurrency and the features it provided on decentralization. With the current trend of pursuing the decentralized…

Networking and Internet Architecture · Computer Science 2023-05-10 Javad Zarrin , Phang Hao Wen , Lakshmi Babu Saheer , Bahram Zarrin

The recent trend of self-sovereign Decentralized AI Agents (DeAgents) combines Large Language Model (LLM)-based AI agents with decentralization technologies such as blockchain smart contracts and trusted execution environments (TEEs). These…

Human-Computer Interaction · Computer Science 2025-09-19 Botao Amber Hu , Yuhan Liu , Helena Rong

Decentralized Autonomous Organizations (DAOs) have emerged as a novel governance mechanism in blockchain ecosystems, particularly within Decentralized Finance (DeFi). By enabling token holders to propose and vote on protocol changes, these…

Cryptography and Security · Computer Science 2025-07-22 Johnnatan Messias , Vabuk Pahari , Balakrishnan Chandrasekaran , Krishna P. Gummadi , Patrick Loiseau

Artificial Intelligence (AI) has the potential to significantly benefit or harm humanity. At present, a few for-profit companies largely control the development and use of this technology, and therefore determine its outcomes. In an effort…

Computers and Society · Computer Science 2022-11-14 Casey Clifton , Richard Blythman , Kartika Tulusan

Voltage controls the majority of the processes around us, starting from lighting an incandescent lamp to running huge machines in industries. Therefore, voltage monitoring becomes essential, which demands efficient measurement and storage…

Cryptography and Security · Computer Science 2020-09-18 Shailesh Mishra , Shivam Kumar

It is undeniable that artificial intelligence (AI) and blockchain concepts are spreading at a phenomenal rate. Both technologies have distinct degree of technological complexity and multi-dimensional business implications. However, a common…

Artificial Intelligence · Computer Science 2018-10-24 Tshilidzi Marwala , Bo Xing

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

We talk of the internet as digital infrastructure; but we leave the building of rails and roads to the quasi-monopolistic platform providers. Decentralised architectures provide a number of advantages: They are potentially more inclusive…

Computers and Society · Computer Science 2026-02-04 Yvonne Dittrich , Kim Peiter Jørgensen , Ravi Prakash , Willard Rafnsson , Jonas Kastberg Hinrichsen

Blockchain consensus is a state whereby each node in a network agrees on the current state of the blockchain. Existing protocols achieve consensus via a contest or voting procedure to select one node as a dictator to propose new blocks.…

Theoretical Economics · Economics 2022-06-22 Joshua S. Gans , Richard Holden

Non-fungible tokens (NFTs) are decentralized digital tokens to represent the unique ownership of items. Recently, NFTs have been gaining popularity and at the same time bringing up issues, such as scams, racism, and sexism.…

Computers and Society · Computer Science 2025-08-11 Yunpeng Xiao , Bufan Deng , Siqi Chen , Kyrie Zhixuan Zhou , Ray LC , Luyao Zhang , Xin Tong

Advances in low-communication training algorithms are enabling a shift from centralised model training to compute setups that are either distributed across multiple clusters or decentralised via community-driven contributions. This paper…

Computers and Society · Computer Science 2025-07-11 Jakub Kryś , Yashvardhan Sharma , Janet Egan

Blockchain technology transformed the digital sphere by providing a transparent, secure, and decentralized platform for data security across a range of industries, including cryptocurrencies and supply chain management. Blockchain's…

Cryptography and Security · Computer Science 2023-06-22 Bilash Saha , Md Mehedi Hasan , Nafisa Anjum , Sharaban Tahora , Aiasha Siddika , Hossain Shahriar

Proof of work cryptocurrencies began with the promise of a more egalitarian future with a decentralized monetary system with no powerful entities in charge. While this vision is far from realized, these cryptocurrencies are still touted to…

Cryptography and Security · Computer Science 2022-03-31 Sishan Long , Soumya Basu , Emin Gün Sirer

Blockchains provide a mechanism through which mutually distrustful remote parties can reach consensus on the state of a ledger of information. With the great acceleration with which this space is developed, the demand for those seeking to…

Information Retrieval · Computer Science 2023-05-18 Rodrigo Veiga , Markus Endler , Valeria de Paiva