区块链与分享型数据库

doi:10.11959/j.issn.2096-0271.2018004

Abstract

Abstract:

Blockchain could achieve trustworthy ledger management without central node.It has been successfully supporting financial applications such as Bitcoin.The essence of blockchain is trusted data management in an incompletely trusted environment.It has such features as decentralization,anti-tampering,strong consistency and integrity.On the other hand,blockchain also suffers the problem of weak data management functions,low performance and other issues.By comparing blockchain with traditional data management techniques and analyzing the three applications of blockchain beyond the financial fields,new research issues on blockchain were explored.The requirement for design and implementation of sharing database systems for specific application domains was discussed.The sharing database can be simply defined as a database that supports mission-critical applications,the sharing economic business model,and even itself is implemented in a sharing economy manner.

Key words: blockchain,sharing database, data management

CLC Number:

TP315

Weining QIAN, Cheqing JIN, Qifeng SHAO, Aoying ZHOU. Blockchain and sharing database[J]. Big Data Research, 2018, 4(1): 36-45.

Figures/Tables 6

References 24

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方面	区块链	RDBMS
结构	链式结构	日志
	-	数据库状态
可信	防篡改	-
架构	去中心	强中心
数据访问与处理	K-V	模式管理
	API	SQL
	智能合约	触发器、存储过程
应用	以金融应用为主	通用

系统	分布式共识协议	吞吐率/TPS	测试环境
Kadena/ Juno	Scalable BFT	7 000	256节点集群
Symbiont	BFT-SMART	80 000	4节点集群
Ripple	（RPCA robust principal component analysis）	1 000	-
Sawtooth Lake	运行时间证明（proof of elapsed time，PoET）	70 000	LAN

Blockchain and sharing database

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