22 citations · 73 across the 13 of their papers we have counts for
13 papers
T-Watch: Towards Timed Execution of Private Transaction in Blockchains
Chao Li, Balaji Palanisamy
In blockchains such as Bitcoin and Ethereum, transactions represent the primary mechanism that the external world can use to trigger a change of blockchain state. Transactions serv…
How Hard is Takeover in DPoS Blockchains? Understanding the Security of Coin-based Voting Governance
Chao Li, Balaji Palanisamy, Runhua Xu +3
Delegated-Proof-of-Stake (DPoS) blockchains, such as EOSIO, Steem and TRON, are governed by a committee of block producers elected via a coin-based voting system. We recently witne…
Cross-Consensus Measurement of Individual-level Decentralization in Blockchains
Chao Li, Balaji Palanisamy, Runhua Xu +1
Decentralization is widely recognized as a crucial characteristic of blockchains that enables them to resist malicious attacks such as the 51% attack and the takeover attack. Prior…
SteemOps: Extracting and Analyzing Key Operations in Steemit Blockchain-based Social Media Platform
Chao Li, Balaji Palanisamy, Runhua Xu +2
Advancements in distributed ledger technologies are driving the rise of blockchain-based social media platforms such as Steemit, where users interact with each other in similar way…
Measuring Decentralization in Bitcoin and Ethereum using Multiple Metrics and Granularities
Qinwei Lin, Chao Li, Xifeng Zhao +1
Decentralization has been widely acknowledged as a core virtue of blockchains. However, in the past, there have been few measurement studies on measuring and comparing the actual l…
NN-EMD: Efficiently Training Neural Networks using Encrypted Multi-Sourced Datasets
Runhua Xu, James Joshi, Chao Li
Training a machine learning model over an encrypted dataset is an existing promising approach to address the privacy-preserving machine learning task, however, it is extremely chal…