4 citations · 11 across the 13 of their papers we have counts for
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cs.CR2021
An Efficient and Robust Committee Structure for Sharding Blockchain
Mengqian Zhang, Jichen Li, Zhaohua Chen +2
Nowadays, sharding is deemed as a promising way to save traditional blockchain protocols from their low scalability. However, such technique also brings several potential risks and…
cs.CR2020
Decentralized Asset Custody Scheme with Security against Rational Adversary
Zhaohua Chen, Guang Yang
Asset custody is a core financial service in which the custodian holds in-safekeeping assets on behalf of the client. Although traditional custody service is typically endorsed by…
cs.CR2020
An Efficient Permissioned Blockchain with Provable Reputation Mechanism
Hongyin Chen, Zhaohua Chen, Yukun Cheng +5
The design of permissioned blockchains places an access control requirement for members to read, access, and write information over the blockchains. In this paper, we study a hiera…