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Although blockchain, the supporting technology of Bitcoin and various cryptocurrencies, has offered a potentially effective framework for numerous applications, it still suffers from the adverse affects of the impossibility triangle.…

Cryptography and Security · Computer Science 2020-11-03 Canran Wang , Netanel Raviv

In this paper, we present a pricing mechanism that aligns incentives of agents who exchange resources on a decentralized ledger with the goal of maximizing transaction throughput. Subdividing a blockchain ledger into shards promises to…

Systems and Control · Electrical Eng. & Systems 2020-09-02 James R. Riehl , Jonathan Ward

Sharding is used to address the performance and scalability issues of the blockchain protocols, which divides the overall transaction processing costs among multiple clusters of nodes. Shards require less storage capacity and communication…

Distributed, Parallel, and Cluster Computing · Computer Science 2023-03-31 Ramesh Adhikari , Costas Busch

Inspired by Bitcoin, many different kinds of cryptocurrencies based on blockchain technology have turned up on the market. Due to the special structure of the blockchain, it has been deemed impossible to directly trade between traditional…

Cryptography and Security · Computer Science 2020-05-08 Hangyu Tian , Kaiping Xue , Shaohua Li , Jie Xu , Jianqing Liu , Jun Zhao

Blockchain technologies are expected to make a significant impact on a variety of industries. However, one issue holding them back is their limited transaction throughput, especially compared to established solutions such as distributed…

Distributed, Parallel, and Cluster Computing · Computer Science 2019-03-06 Christian Gorenflo , Stephen Lee , Lukasz Golab , S. Keshav

A major challenge in blockchain sharding protocols is that more than 95% transactions are cross-shard. Not only those cross-shard transactions degrade the system throughput but also double the confirmation time, and exhaust an already…

Cryptography and Security · Computer Science 2021-10-19 Lan N. Nguyen , Truc Nguyen , Thang N. Dinh , My T. Thai

To mitigate the scalability problem of decentralized cryptocurrencies such as Bitcoin and Ethereum, the payment channel, which allows two parties to perform secure coin transfers without involving the blockchain, has been proposed. The…

Cryptography and Security · Computer Science 2020-10-16 Yongjie Ye , Weigang Wu

Sharding is a promising blockchain scaling solution. But it currently suffers from high latency and low throughput when it comes to cross-shard transactions, i.e., transactions that require coordination from multiple shards. The root cause…

Cryptography and Security · Computer Science 2021-02-01 Sourav Das , Vinith Krishnan , Ling Ren

Although the iterative double auction has been widely used in many different applications, one of the major problems in its current implementations is that they rely on a trusted third party to handle the auction process. This imposes the…

Cryptography and Security · Computer Science 2020-07-20 Truc D. T. Nguyen , My T. Thai

Decentralized blockchain platforms have enabled the secure exchange of crypto-assets without the intermediation of trusted authorities. To this purpose, these platforms rely on a peer-to-peer network of byzantine nodes, which…

Cryptography and Security · Computer Science 2023-06-22 Massimo Bartoletti , Letterio Galletta , Maurizio Murgia

Traditional public blockchain systems typically had very limited transaction throughput because of the bottleneck of the consensus protocol itself. With recent advances in consensus technology, the performance limit has been greatly lifted,…

Distributed, Parallel, and Cluster Computing · Computer Science 2022-02-11 Péter Garamvölgyi , Yuxi Liu , Dong Zhou , Fan Long , Ming Wu

Although blockchains have become widely popular for their use in cryptocurrencies, they are now becoming pervasive as more traditional applications adopt blockchain to ensure data security. Despite being a secured network, blockchains have…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-12-10 Faisal Haque Bappy , Tariqul Islam , Tarannum Shaila Zaman , Md Sajidul Islam Sajid , Mir Mehedi Ahsan Pritom

While blockchains initially gained popularity in the realm of cryptocurrencies, their widespread adoption is expanding beyond conventional applications, driven by the imperative need for enhanced data security. Despite providing a secure…

Cryptography and Security · Computer Science 2024-12-10 Faisal Haque Bappy , Tarannum Shaila Zaman , Md Sajidul Islam Sajid , Mir Mehedi Ahsan Pritom , Tariqul Islam

The necessity of blockchain systems to remain decentralised limits current solutions to blockchain governance and dynamic management, forcing a trade-off between control and decentralisation. In light of the above, this work proposes a…

Cryptography and Security · Computer Science 2025-10-10 Georgios Diamantopoulos , Nikos Tziritas , Rami Bahsoon , Georgios Theodoropoulos

Performance and scalability are major concerns for blockchains: permissionless systems are typically limited by slow proof of X consensus algorithms and sequential post-order transaction execution on every node of the network. By…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-03-11 Christian Gorenflo , Lukasz Golab , Srinivasan Keshav

In order to fully unlock the transformative power of distributed ledgers and blockchains, it is crucial to develop innovative consensus algorithms that can overcome the obstacles of security, scalability, and interoperability, which…

Distributed, Parallel, and Cluster Computing · Computer Science 2023-10-16 Amirhossein Taherpour , Xiaodong Wang

In this study, we propose PRETRUST, a new framework to address the problem of the efficiency of payment process based on blockchain systems. PRETRUST is based on the thoughts of consortium chains, supporting fast payments. To make parties…

Cryptography and Security · Computer Science 2022-11-15 Huapeng Li , Baocheng Wang

Sharding is essential for improving blockchain scalability. Existing protocols overlook diverse adversarial attacks, limiting transaction throughput. This paper presents Reticulum, a groundbreaking sharding protocol addressing this issue,…

Cryptography and Security · Computer Science 2024-07-16 Yibin Xu , Jingyi Zheng , Boris Düdder , Tijs Slaats , Yongluan Zhou

Cryptocurrencies, implemented with blockchain protocols, promise to become a global payment system if they can overcome performance limitations. Rapidly advancing architectures improve on latency and throughput, but most require all…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-09-17 Alex Manuskin , Michael Mirkin , Ittay Eyal

Blockchain sharding is a promising approach to solving the dilemma between decentralisation and high performance (transaction throughput) for blockchain. The main challenge of Blockchain sharding systems is how to reach a decision on a…

Distributed, Parallel, and Cluster Computing · Computer Science 2020-03-24 Yibin Xu , Yangyu Huang , Jianhua Shao , George Theodorakopoulos
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