A Survey of Scalability Solutions on Blockchain

Kim, Soohyeong; Kwon, Yongseok; Cho, Sunghyun

doi:10.1109/ictc.2018.8539529

Cited by 177 publications

(99 citation statements)

References 2 publications

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“…However, since permissioned Blockchains have a stronger trust model, therefore, they are less vulnerable to adversarial attacks. It can also be observed in Table III, public Blockchains are more scalable than private Blockchains [83], [84]. This can be attributed to the message complexity involved in the transaction verification and the tolerance for Byzantine nodes.…”

Section: A Consensus Algorithmsmentioning

confidence: 90%

Exploring the Attack Surface of Blockchain: A Comprehensive Survey

Saad

Spaulding

Njilla

et al. 2020

IEEE Commun. Surv. Tutorials

268

161

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In this paper, we systematically explore the attack surface of the Blockchain technology, with an emphasis on public Blockchains. Towards this goal, we attribute attack viability in the attack surface to 1) the Blockchain cryptographic constructs, 2) the distributed architecture of the systems using Blockchain, and 3) the Blockchain application context. To each of those contributing factors, we outline several attacks, including selfish mining, the 51% attack, Domain Name System (DNS) attacks, distributed denial-of-service (DDoS) attacks, consensus delay (due to selfish behavior or distributed denial-of-service attacks), Blockchain forks, orphaned and stale blocks, block ingestion, wallet thefts, smart contract attacks, and privacy attacks. We also explore the causal relationships between these attacks to demonstrate how various attack vectors are connected to one another. A secondary contribution of this work is outlining effective defense measures taken by the Blockchain technology or proposed by researchers to mitigate the effects of these attacks and patch associated vulnerabilities.

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Section: A Consensus Algorithmsmentioning

confidence: 90%

Exploring the Attack Surface of Blockchain: A Comprehensive Survey

Saad

Spaulding

Njilla

et al. 2020

IEEE Commun. Surv. Tutorials

268

161

View full text Add to dashboard Cite

show abstract

“…It serves as a bridge between public and private blockchains and can help to connect to protocols like Bitcoin and Ethereum. [17] Table1…”

Section: Inter-chainmentioning

confidence: 99%

Scalability Issues of Blockchain Technology

2020

IJEAT

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In last decade crypto currencies become popular as there is no third party involvement while doing the transactions. Blockchain is the technology for using crypto-currencies. It attracts the attention of researchers and academicians , along with different features of Blockchain it is having the major issue of scalability which can be categorized into throughput , cost, capacity and networking . Improvement in Scalability affects the application of blockchain in business . Scalability affects due to some other factors like block interval time and block size which also may reduce the security . System may become vulnerable to different attacks if we blindly modify the scalability .In this paper we analyze the different ways to improve the scalability then we compare the features of blockchain with respect to different algorithms used to solve the scalability issue.

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“…There is a possibility that this block will become fork [14], and fork can always make the system problematic.…”

Section: A Increasing the Block Sizementioning

confidence: 99%

Blockchain Scalability Enhancement using Parallel Miners Selection

Ahmad*¹,

Bharti²

2019

IJITEE

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Abstract: Apart from the good utilization of the blockchain, there are different challenges that are there at the blockchain system. The problem is that despite several advantages of a blockchain, the current blockchain networks cannot support at large scale application system. Some of the major problems that blockchain technology suffering from are scalability, privacy, and interoperability. second by a centralized credit-card system. He has published more than 15 research papers in reputed national/international journals and conferences, including IEEE. His main research work focuses on software engineering, formal methods for software development, modeling languages, model-driven software engineering, and human-centered software engineering and blockchain. He has more than 16 years of teaching experience and 14 years of research experience. The major issue of blockchain technology is scalability. The problem of scalability means that the capacity to process a transaction on a blockchain is very limited and slow. If we think about financial transactions and we compare the ethereum blockchain or the Bitcoin blockchain to the financial transactions provided by Visa MasterCard or any other centralized company, then we would see a difference between them. The difference is that ten to fifteen transactions per second are performed by blockchain-based decentralized cryptocurrency systems in comparison to several thousand transactions per

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A Survey of Scalability Solutions on Blockchain

Cited by 177 publications

References 2 publications

Exploring the Attack Surface of Blockchain: A Comprehensive Survey

Exploring the Attack Surface of Blockchain: A Comprehensive Survey

Scalability Issues of Blockchain Technology

Blockchain Scalability Enhancement using Parallel Miners Selection

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