块链
可扩展性
计算机科学
协议(科学)
数据库事务
散列函数
密码学
简单(哲学)
脆弱性(计算)
计算机安全
密码原语
分布式计算
密码协议
地点
操作系统
数据库
哲学
病理
认识论
替代医学
医学
语言学
作者
Chunyu Mao,Wojciech Golab
标识
DOI:10.1109/srds53918.2021.00041
摘要
Blockchain is a peer-to-peer ledger that records a growing list of transactions in a tamper-resistant manner using cryptographic hashes. Centralized points of vulnerability are eliminated in blockchain, and so it is considered secure by design under some reasonable assumptions, such as honest majority. But scalability remains a major limitation that can be improved by sharding. Full sharding is one of the approaches in achieving the high performance of blockchain systems. This paper proposes a locality-based full sharding protocol in permissioned blockchains. We introduce a simple and efficient cross-shard transaction handling protocol. A prototype is under development based on Hyperledger Fabric.
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