Titlebook: Blockchain Scalability; Wuhui Chen,Zibin Zheng,Huawei Huang Book 2023 The Editor(s) (if applicable) and The Author(s), under exclusive lic

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Layered Sharding on Open Blockchain,lel. However, all existing sharding systems adopt complete sharding, i.e., shards are isolated. It raises additional overhead to guarantee the atomicity and consistency of cross-shard transactions and seriously degrades the sharding performance. In this chapter, we present Pyramid, the first layered

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Sharding-Based Scalable Consortium Blockchain,ding research focuses on the public blockchain. As for consortium blockchain, previous studies cannot support high cross-shard efficiency, multiple-shard contract calling, strict transaction atomicity, and shard availability, which are essential requirements but also challenges in consortium blockch

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Elastic Resource Allocation in Sharding-Based Blockchains,ermissioned blockchain, the transaction (TX) assignment strategy could be malicious such that the network shards may possibly receive imbalanced transactions or even bursty-TX injection attacks. An imbalanced transaction assignment brings serious threats to the stability of the sharded blockchain. A

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Dynamic Sharding: A Trade-OFF Between Security and Scalability,etwork into multiple disjoint groups processing transactions in parallel to improve throughput while decreasing the overhead of communication, computation, and storage. However, most existing blockchain sharding systems adopt a static sharding policy that cannot efficiently deal with the dynamic env

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A Scalable and Secure Framework for 5G Networks Applications,most every mobile device can participate in the distributed learning. That is, the availability issue of distributed learning can be eliminated. However, the model safety will become a challenge. This is because the distributed learning system is prone to suffering from byzantine attacks during the

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Wuhui Chen,Zibin Zheng,Huawei HuangBroadens readers’ understanding of blockchain and its scalability.Gathers the latest research on key issues and technologies for blockchain scalability.Includes open issues and future directions to sc

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Janice Carello,Phyllis Thompsonenabled solutions, and many other applications in diverse fields. However, we think that a comprehensive survey towards the essentials of blockchains by exploiting the state-of-the-art theoretical modelings, analytic models, and useful experiment tools is still missing. To fill this gap, we identify