DynaShard: Secure and Adaptive Blockchain Sharding Protocol with Hybrid Consensus and Dynamic Shard Management
Ao Liu, Jing Chen, Kun He, Ruiying Du, Jiahua Xu, Cong Wu, Yebo Feng,, Teng Li, Jianfeng Ma

TL;DR
DynaShard introduces a dynamic, secure blockchain sharding protocol that combines adaptive shard management and hybrid consensus to improve throughput, reduce latency, and enhance security in blockchain systems.
Contribution
The paper presents DynaShard, a novel sharding protocol that effectively manages dynamic workloads and cross-shard security using hybrid consensus and adaptive shard control.
Findings
Up to 42.6% latency reduction
78.77% shard utilization improvement
Superior performance over existing methods
Abstract
Blockchain sharding has emerged as a promising solution to the scalability challenges in traditional blockchain systems by partitioning the network into smaller, manageable subsets called shards. Despite its potential, existing sharding solutions face significant limitations in handling dynamic workloads, ensuring secure cross-shard transactions, and maintaining system integrity. To address these gaps, we propose DynaShard, a dynamic and secure cross-shard transaction processing mechanism designed to enhance blockchain sharding efficiency and security. DynaShard combines adaptive shard management, a hybrid consensus approach, plus an efficient state synchronization and dispute resolution protocol. Our performance evaluation, conducted using a robust experimental setup with real-world network conditions and transaction workloads, demonstrates DynaShard's superior throughput, reduced…
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Taxonomy
TopicsBlockchain Technology Applications and Security · Caching and Content Delivery · Peer-to-Peer Network Technologies
