Boson Consensus: A Scalable Blockchain Sharding Consensus
summary
A two-layer sharding consensus called Poisson consensus uses a root chain that stores shard headers so a double-spend on any shard must also outpace the root chain, raising attack cost. Implemented in QuarkChain with PoW root-chain rules and shard clustering, it runs on 6,000-node tests and reports sustained >14,000 TPS on simple transfers and community peaks >50,000 TPS. Shards can be heterogeneous and are protected immediately by root-chain hash power.
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chapters (5)
- 0:00Start
- 2:08Hash Power Pollution
- 2:44Interoperability Issue
- 4:53Routine First Consensus
- 7:19Similarities and Differences with Existing Solutions
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