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20202022
most citedExploring Unfairness on Proof of Authority: Order Manipulation Attacks and Remedies

6 citations · 10 across the 5 of their papers we have counts for

collaborators

6 papers

cs.CR2022★ 6 cited

Exploring Unfairness on Proof of Authority: Order Manipulation Attacks and Remedies

Qin Wang, Rujia Li, Qi Wang +2

Proof of Authority (PoA) is a type of permissioned consensus algorithm with a fixed committee. PoA has been widely adopted by communities and industries due to its better performan…

cs.CR2021

Anonymous Blockchain-based System for Consortium

Qin Wang, Shiping Chen, Yang Xiang

Blockchain brings various advantages to online transactions. However, the total transparency of these transactions may leakage users' sensitive information. Requirements on both co…

cs.CR2021★ 3 cited

Formal Security Analysis on dBFT Protocol of NEO

Qin Wang, Rujia Li, Shiping Chen +1

NEO is one of the top public chains worldwide. We focus on its backbone consensus protocol, called delegated Byzantine Fault Tolerance (dBFT). The dBFT protocol has been adopted by…

cs.CR2021

An Offline Delegatable Cryptocurrency System

Rujia Li, Qin Wang, Xinrui Zhang +3

Blockchain-based cryptocurrencies, facilitating the convenience of payment by providing a decentralized online solution, have not been widely adopted so far due to slow confirmatio…

cs.CR2020

SoK: Diving into DAG-based Blockchain Systems

Qin Wang, Jiangshan Yu, Shiping Chen +1

Blockchain plays an important role in cryptocurrency markets and technology services. However, limitations on high latency and low scalability retard their adoptions and applicatio…

cs.CR2020★ 1 cited

Security Analysis on Tangle-based Blockchain through Simulation

Bozhi Wang, Qin Wang, Shiping Chen +1

The Tangle-based structure becomes one of the most promising solutions when designing DAG-based blockchain systems. The approach improves the scalability by directly confirming mul…