838 citations · 935 across the 5 of their papers we have counts for
4 papers · 1 filter
Modeling the Impact of Network Connectivity on Consensus Security of Proof-of-Work Blockchain
Yang Xiao, Ning Zhang, Wenjing Lou +1
Blockchain, the technology behind the popular Bitcoin, is considered a "security by design" system as it is meant to create security among a group of distrustful parties yet withou…
Enjoy the Untrusted Cloud: A Secure, Scalable and Efficient SQL-like Query Framework for Outsourcing Data
Yaxing Chen, Qinghua Zheng, Dan Liu +5
While the security of the cloud remains a concern, a common practice is to encrypt data before outsourcing them for utilization. One key challenging issue is how to efficiently per…
PrivacyGuard: Enforcing Private Data Usage Control with Blockchain and Attested Off-chain Contract Execution
Yang Xiao, Ning Zhang, Jin Li +2
The abundance and rich varieties of data are enabling many transformative applications of big data analytics that have profound societal impacts. However, there are also increasing…
A Survey of Distributed Consensus Protocols for Blockchain Networks
Yang Xiao, Ning Zhang, Wenjing Lou +1
Since the inception of Bitcoin, cryptocurrencies and the underlying blockchain technology have attracted an increasing interest from both academia and industry. Among various core…