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Permissionless blockchains offer an information environment where users can interact privately without fear of censorship. Financial services can be programmatically coded via smart contracts to automate transactions without the need for…

General Finance · Quantitative Finance 2022-12-13 Kanis Saengchote

This paper introduces Lyquor, a decentralized platform that reimagines blockchain infrastructure through a service-centric model where nodes selectively host smart contracts (called Lyquids) while preserving global composability. We present…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-09-30 Hao Hao , Dahlia Malkhi , Maofan Yin , Lizan Zhou

We construct a privacy-preserving, distributed and decentralized marketplace where parties can exchange data for tokens. In this market, buyers and sellers make transactions in a blockchain and interact with a third party, called notary,…

Cryptography and Security · Computer Science 2020-02-25 Ariel Futoransky , Carlos Sarraute , Daniel Fernandez , Matias Travizano , Ariel Waissbein

Trust models are essential components of networks of any nature, as they refer to confidence frameworks to evaluate and verify if their participants act reliably and fairly. They are necessary to any social, organizational, or computer…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-02-11 Angelo Vera-Rivera , Ekram Hossain

A family of leaderless, decentralized consensus protocols, called Snow consensus was introduced in a recent whitepaper by Yin et al. These protocols address limitations of existing consensus methods, such as those using proof-of-work or…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-01-08 Ignacio Amores-Sesar , Christian Cachin , Philipp Schneider

Blockchain has been regarded as a promising technology for Internet of Things (IoT), since it provides significant solutions for decentralized network which can address trust and security concerns, high maintenance cost problem, etc. The…

Distributed, Parallel, and Cluster Computing · Computer Science 2019-07-24 Bin Cao , Yixin Li , Lei Zhang , Long Zhang , Shahid Mumtaz , Zhenyu Zhou , Mugen Peng

The Algorand blockchain is a secure and decentralized public ledger based on pure proof of stake rather than proof of work. At its core it is a novel consensus protocol with exactly one block certified in each round: that is, the protocol…

Cryptography and Security · Computer Science 2020-08-26 Musab A. Alturki , Jing Chen , Victor Luchangco , Brandon Moore , Karl Palmskog , Lucas Peña , Grigore Roşu

In recent years, blockchain technology has been recognized as a transformative innovation in the tech world, and it has quickly become the core infrastructure of digital currencies such as Bitcoin and an important tool in various…

Cryptography and Security · Computer Science 2025-01-22 Mohsen Ghorbian , Mostafa Ghobaei-Arani

Collaborative cybersecurity relies on organizations sharing information to boost security, but trust management is a key concern. Decentralized solutions like distributed ledgers, particularly blockchain, are crucial for eliminating single…

Cryptography and Security · Computer Science 2024-03-08 Loïc Miller , Marc-Oliver Pahl

Blockchain is a continuously developing technology that has made digital transactions and related computing operations more transparent and secure through globally distributed and decentralized management of states, as well as the strong…

Cryptography and Security · Computer Science 2021-03-29 Neo C. K. Yiu

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

Machine Learning systems rely on data for training, input and ongoing feedback and validation. Data in the field can come from varied sources, often anonymous or unknown to the ultimate users of the data. Whenever data is sourced and used,…

Computers and Society · Computer Science 2019-04-08 Iain Barclay , Alun Preece , Ian Taylor , Dinesh Verma

Blockchain based cryptocurrencies are usually unmanaged, distributed, consensus-based systems in which no single entity has control. Managed cryptocurrencies can be implemented using private blockchains but are fundamentally different as…

Cryptography and Security · Computer Science 2019-06-27 Peter Mell

While previously a nascent theoretical construct, decentralized autonomous organizations have grown rapidly in recent years. DAOs typically emerge around the management of decentralized financial applications and thus benefit from the rapid…

Distributed, Parallel, and Cluster Computing · Computer Science 2023-05-08 Henrik Axelsen , Johannes Rude Jensen , Omri Ross

Blockchain has received a widespread attention because of its decentralized, tamper-proof, and transparent nature. Blockchain works over the principle of distributed, secured, and shared ledger, which is used to record, and track data…

Cryptography and Security · Computer Science 2020-04-21 Muneeb Ul Hassan , Mubashir Husain Rehmani , Jinjun Chen

Consensus is unnecessary when the truth is available. In this paper, we present a new perspective of rebuilding the blockchain without consensus. When the consensus phase is eliminated from a blockchain, transactions could be canonized…

Networking and Internet Architecture · Computer Science 2022-09-29 Qing Wang , Jian Zheng , Huawei Huang , Jianru Lin

Many aspects of blockchain-based decentralized finance can be understood as an extension of classical distributed computing. In this paper, we trace the evolution of two interrelated notions: failure and fault-tolerance. In classical…

Distributed, Parallel, and Cluster Computing · Computer Science 2021-09-28 Daniel Engel , Maurice Herlihy , Yingjie Xue

Blockchain consensus mechanisms have relied on algorithms such as Proof-of-Work (PoW) and Proof-of-Stake (PoS) to ensure network functionality and integrity. However, these approaches struggle with adaptability for decision-making where the…

Multiagent Systems · Computer Science 2026-02-10 Apurba Pokharel , Ram Dantu , Shakila Zaman , Vinh Quach , Sirisha Talapuru

Blockchain technology has emerged as a transformative paradigm for decentralized and secure data management across diverse application domains, including healthcare, supply chain management, and the Internet of Things. Its core features,…

Cryptography and Security · Computer Science 2025-05-14 Hojer Key

Consensus mechanism is the heart of any blockchain network. Many projects have proposed alternative protocols to improve restricted scalability of Proof of Work originated since Bitcoin. As an improvement of Delegated Proof of Stake, in…

Cryptography and Security · Computer Science 2019-12-10 Thuat Do , Thao Nguyen , Hung Pham