A New Proof-of-Stake Sharding Architecture for Public Blockchains
This paper proposes a sharding architecture solution for public blockchains aiming for significantly improving the transaction processing performance. The solution uses the Proof-of-Stake Voting (PoSV) consensus protocol proposed by Tomochain for intra-shard consensus because PoSV provides 2 second...
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| Format: | Bài viết |
| Sprog: | Vietnamese |
| Udgivet: |
2018
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| Fag: | |
| Online adgang: | http://thuvien.cit.udn.vn//handle/123456789/109 |
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| Thư viện lưu trữ: | Trường Đại học Công nghệ Thông tin và Truyền thông Việt Hàn - Đại học Đà Nẵng |
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| Summary: | This paper proposes a sharding architecture solution for public blockchains aiming for significantly improving the transaction processing performance. The solution uses the Proof-of-Stake Voting (PoSV) consensus protocol proposed by Tomochain for intra-shard consensus because PoSV provides 2 second block-time and fast confirmation time. The paper identifies and solves cross-shard transactions for smart contract call chaining and data availability problem in shard reshuffling. Specifically, we propose a cross-shard smart contract transaction scheme combined with a new smart contract deployment strategy that places dependent smart contracts onto the same shard. Moreover, we also address the data availability problem in state sharding when shard reshuffling takes place. |
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