How to Securely Prune Bitcoin's Blockchain

Matzutt, Roman; Kalde, Benedikt; Pennekamp, Jan; Drichel, Arthur; Henze, M.; Wehrle, Klaus

doi:10.48550/arxiv.2004.06911

Cited by 2 publications

(2 citation statements)

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“…Thus, they need to be synchronized in different ways. Numerous blockchain-oriented synchronization approaches were discussed in literature [63][64][65]. Regardless of the approach adopted, data to be synchronized and synchronization starting point are fundamental dimensions from a classification perspective.…”

Section: ) Nodementioning

confidence: 99%

A Taxonomy for Characterizing Blockchain Systems

2022

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Blockchain is a promising technology that has received extensive attention from academia and industry in various subject domains. The significant potential of blockchain technology lies in its key characteristics of decentralization, persistency, anonymity, and auditability. However, the development of blockchain applications faces many technical difficulties because such applications are highly complex and heterogeneous, involving cooperation and interoperation between legacy systems and blockchain systems. These difficulties are further exacerbated by the lack of a common understanding of different blockchain solutions and components from a software engineering perspective. This study proposes a taxonomy to classify the eight fundamental components of blockchain systems. These components comprise a platform, network, distributed ledger, smart contract, consensus protocol, digital wallet, token, and node. Under the proposed taxonomy, each component is divided into several aspects (i.e., characteristics) that collectively describe the component. As a result of this elaboration, the taxonomy organizes the eight components into 83 dimensions and 199 characteristics. The taxonomy was validated using illustrative scenarios and a case study. The proposed taxonomy aims to provide a better understanding of the interrelationships among different blockchain components and aspects. Such an understanding can help blockchain application developers to design better blockchain architectures and systems.

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Section: ) Nodementioning

confidence: 99%

A Taxonomy for Characterizing Blockchain Systems

2022

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“…It is proposed based on a snapshot technique by Matzutt et al in 2020. 37 CoinPrune also aims at reducing blockchain size to optimize the storage and bandwidth requirements. Specifically, CoinPrune creates a snapshot for constant intervals (e.g., every 10,000 blocks).…”

Section: Coinprunementioning

confidence: 99%

Exploring the redaction mechanisms of mutable blockchains: A comprehensive survey

Zhang

Lei

et al. 2021

Int J of Intelligent Sys

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Blockchain technology has attracted tremendous interest from both industry and academia. It is typically used to record a public history of transactions (e.g., payment/smart contract data), but storing nonpayment/contract data in transactions has been common. The ability to store data unrelated to payment/contract such as illicit data on blockchain may be abused for malicious purposes. For example, one may use blockchain to store the data related to child pornography and copyright violations, which are publicly visible and immutable. Moreover, an immutable blockchain is not suitable for all blockchain‐based applications. So far, numerous redaction mechanisms for the mutable blockchain have been developed. In this paper, we aim at conducting a comprehensive survey that reviews and analyzes the state‐of‐the‐art redaction mechanisms. We start by giving a general presentation of blockchain and summarize the typical methods of inserting data in blockchain. Next, we discuss the challenges of designing the redaction mechanism and propose a list of evaluation criteria. Then, redaction mechanisms of the existing mutable blockchains are systemically reviewed and analyzed based on our evaluation criteria. The analyses include algorithmic overviews, performance limitations, and security vulnerabilities. Finally, the comparisons and analyses provide new insights into these mechanisms. This survey will provide developers and researchers a comprehensive view and facilitate the design of future mutable blockchains.

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How to Securely Prune Bitcoin's Blockchain

Cited by 2 publications

References 0 publications

A Taxonomy for Characterizing Blockchain Systems

A Taxonomy for Characterizing Blockchain Systems

Exploring the redaction mechanisms of mutable blockchains: A comprehensive survey

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