JointCloud Cross-chain Verification Model of Decentralized Identifiers

被引：7
作者：
Zhong, Tao [1 ]
Shi, Peichang [1 ]
Chang, Junsheng [2 ]
机构：
[1] Natl Univ Def Technol, Coll Comp, Sci & Technol Parallel & Distributed Proc Lab PDL, Changsha, Peoples R China
[2] Natl Univ Def Technol, Coll Comp, Inst Comp Technol, Changsha, Peoples R China
来源：
2021 IEEE INTERNATIONAL PERFORMANCE, COMPUTING, AND COMMUNICATIONS CONFERENCE (IPCCC) | 2021年
基金：
中国国家自然科学基金;
关键词：
Decentralized identifier; cross-chain; verification; blockchain;
D O I：
10.1109/IPCCC51483.2021.9679363
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
When multiple entities communicate or collaborate in JointCloud, identities are the very prior basis to build trust with each other. Decentralized identifier (DID) can provide a trusted identity with blockchain technology and a complete method of identity verification based on verifiable credentials, which solves problems of conventional centralized identity. However, current DIDs can only conduct verification within a single blockchain, which limits the interoperability of DIDs on different blockchains. Network isolation hinders the verification of DIDs on different blockchains and thus there is a need to break the barrier between blockchains. In this paper, we propose a model to conduct cross-chain verification of DIDs. We build a system of credit evaluation to describe the credibility of DIDs in a unified way and deploy smart contracts to implement cross-chain verification of DIDs. Experimental results verifies the feasibility of the model, which realizes cross-chain verification of DIDs in the networks of blockchain.
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页数：8
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