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Blockchain is a decentralized transaction and data management solution, the technological weapon-of-choice behind the success of Bitcoin and other cryptocurrencies. As the number and variety of existing blockchain implementations continues…

密码学与安全 · 计算机科学 2018-12-24 Martin Garriga , Maximiliano Arias , Alan De Renzis

This paper surveys innovative protocols that enhance the programming functionality of the Bitcoin blockchain, a key part of the "Bitcoin Ecosystem." Bitcoin utilizes the Unspent Transaction Output (UTXO) model and a stack-based script…

密码学与安全 · 计算机科学 2024-10-01 Guofu Liao , Taotao Wang , Qing Yang , Yihan Xia , Long Shi , Xiang Zhao , Xiaoxiao Wu , Shengli Zhang , Anthony Chan , Richard Yuen

This paper introduces a Machine Learning (ML) approach for scalability of UTXO-based blockchains, such as Bitcoin. Prior approaches to UTXO set sharding struggle with distributing UTXOs effectively across validators, creating substantial…

机器学习 · 计算机科学 2025-06-03 Hamid Attar , Luigi Lunardon , Alessio Pagani

Byzantine fault-tolerant (BFT) consensus algorithms are at the core of providing safety and liveness guarantees for distributed systems that must operate in the presence of arbitrary failures. Recently, numerous new BFT algorithms have been…

分布式、并行与集群计算 · 计算机科学 2023-12-06 Gengrui Zhang , Fei Pan , Yunhao Mao , Sofia Tijanic , Michael Dang'ana , Shashank Motepalli , Shiquan Zhang , Hans-Arno Jacobsen

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.…

密码学与安全 · 计算机科学 2023-10-10 Min An , Qiyuan Fan , Hao Yu , Haiyang Zhao

As one of the most important and famous applications of blockchain technology, cryptocurrency has attracted extensive attention recently. Empowered by blockchain technology, all the transaction records of cryptocurrencies are irreversible…

社会与信息网络 · 计算机科学 2022-01-20 Jiajing Wu , Jieli Liu , Yijing Zhao , Zibin Zheng

Blockchain-based cryptocurrencies prioritize transactions based on their fees, creating a unique kind of fee market. Empirically, this market has failed to yield stable equilibria with predictable prices for desired levels of service. We…

密码学与安全 · 计算机科学 2019-01-23 Soumya Basu , David Easley , Maureen O'Hara , Emin Gün Sirer

Blockchain technologies originate from cryptocurrencies. Thus, most blockchain technologies assume an environment with a fast and stable network. However, in some blockchain-based systems, e.g., supply chain management (SCM) systems, some…

Blockchain is an emerging technology that enables new forms of decentralized software architectures, where distributed components can reach agreements on shared system states without trusting a central integration point. Blockchain provides…

软件工程 · 计算机科学 2025-02-25 Xiwei Xu , Cesare Pautasso , Sin Kuang Lo , Liming Zhu , Qinghua Lu , Ingo Weber

We consider blockchain in dynamic networks. We define the Blockchain Decision Problem. It requires miners that maintain the blockchain to confirm whether a particular block is accepted. We establish the necessary conditions for the…

分布式、并行与集群计算 · 计算机科学 2022-08-09 Rachel Bricker , Mikhail Nesterenko , Gokarna Sharma

Cryptocurrency refers to a type of digital asset that uses distributed ledger, or blockchain, technology to enable a secure transaction. Although the technology is widely misunderstood, many central banks are considering launching their own…

计算金融 · 定量金融 2020-07-30 Wolfgang Karl Härdle , Campbell R. Harvey , Raphael C. G. Reule

State government operations comprise a large number of transactions for different processes that must be carried out across the state. This comprises new projects, maintenance and repairs, public employee compensation, and agricultural…

密码学与安全 · 计算机科学 2022-12-06 Nibula Bente Rashid , Joyeeta Saha , Raonak Islam Prova , Nowshin Tasfia , Md. Nazrul Huda Shanto , Jannatun Noor

In this literature review, we first briefly provide an introduction on the privacy aspect of blockchain systems and why it is a difficult quality to achieve, especially using traditional methods. Next, we go over a wide range of different…

密码学与安全 · 计算机科学 2018-09-28 Jad Wahab

We introduce proof of spending in a block-chain system. In this system the probability for a node to create a legal block is proportional to the total amount of coins it has spent in history.

密码学与安全 · 计算机科学 2018-05-22 Chunlei Liu

The success of blockchain as the underlying technology for cryptocurrencies has opened up possibilities for its use in other application domains as well. The main advantages of blockchain for its potential use in other domains are its…

网络与互联网体系结构 · 计算机科学 2019-06-21 Mehrdad Salimitari , Mainak Chatterjee

Two of the most important technological advancements currently underway are the advent of quantum technologies, and the transitioning of global financial systems towards cryptographic assets, notably blockchain-based cryptocurrencies and…

证券定价 · 定量金融 2021-02-02 Peter P. Rohde , Vijay Mohan , Sinclair Davidson , Chris Berg , Darcy Allen , Gavin K. Brennen , Jason Potts

We investigate the relationship between underlying blockchain mechanism of cryptocurrencies and its distributional characteristics. In addition to price, we emphasise on using actual block size and block time as the operational features of…

密码学与安全 · 计算机科学 2021-08-25 Min-Bin Lin , Kainat Khowaja , Cathy Yi-Hsuan Chen , Wolfgang Karl Härdle

Bitcoin has become the leading cryptocurrency system, but the limit on its transaction processing capacity has resulted in increased transaction fees and delayed transaction confirmation. As such, it is pertinent to understand and probably…

密码学与安全 · 计算机科学 2021-06-21 Befekadu G. Gebraselase , Bjarne E. Helvik , Yuming Jiang

This paper studies the optimal transaction fee mechanisms for blockchains, focusing on the distinction between price-based ($\mathcal{P}$) and quantity-based ($\mathcal{Q}$) controls. By analyzing factors such as demand uncertainty,…

综合经济学 · 经济学 2025-02-26 Abdoulaye Ndiaye

This paper explores the utilization of blockchain token voting technology in student course selection systems. The current course selection systems face various issues, which can be mitigated through the implementation of blockchain…

计算机与社会 · 计算机科学 2024-04-23 Tiansu Hu , Yuzhao Song , Linjing Zhang , Xiaoya Zhou