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arXiv · 2503.11077

SmartShards: Churn-Tolerant Continuously Available Distributed Ledger

Joseph Oglio·Mikhail Nesterenko·Gokarna Sharma
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Abstract

We present SmartShards: a new sharding algorithm for improving Byzantine tolerance and churn resistance in blockchains. Our algorithm places a peer in multiple shards to create an overlap. This simplifies cross-shard communication and shard membership management. We describe SmartShards, prove it correct and evaluate its performance. We propose several SmartShards extensions: defense against a slowly adaptive adversary, combining transactions into blocks, fortification against the join/leave attack.

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Joseph Oglio, Mikhail Nesterenko, Gokarna Sharma. 2025-03-14. SmartShards: Churn-Tolerant Continuously Available Distributed Ledger. https://arxiv.org/abs/2503.11077

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