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Yibing Li

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Conference Jul 2026

T-DAA: Dynamic Account Allocation for Blockchain Sharding Based on Time-Decay Weighted Graph

Sharding is considered a promising solution to the scalability bottleneck of blockchain systems. However, the introduction of sharding mechanisms introduces two critical challenges: a high cross-shard transaction ratio and load imbalance. Most current graph-based allocation algorithms fall into two categories: either t...

Bo Wei, Zhongyong Guo, Yibing Li et al. · 0 citations
Conference Jul 2026

Secure and Scalable Dynamic Blockchain Sharding via a Multi-Granularity Reputation Model

Sharding technology divides the blockchain network into multiple parallel-processing subnetworks, achieving high throughput and scalability. However, it also faces challenges, including the risk of 51% attack caused by malicious node clustering and systemic load imbalances. While reputation mechanisms are widely employ...

Jie Li, Zhihao Guo, Yibing Li et al. · 0 citations

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