163 citations · 299 across the 22 of their papers we have counts for
7 papers · 1 filter
SharPer: Sharding Permissioned Blockchains Over Network Clusters
Mohammad Javad Amiri, Divyakant Agrawal, Amr El Abbadi
Scalability is one of the main roadblocks to business adoption of blockchain systems. Despite recent intensive research on using sharding techniques to enhance the scalability of b…
Transactional Smart Contracts in Blockchain Systems
Victor Zakhary, Divyakant Agrawal, Amr El Abbadi
This paper presents TXSC, a framework that provides smart contract developers with transaction primitives. These primitives allow developers to write smart contracts without the ne…
SeeMoRe: A Fault-Tolerant Protocol for Hybrid Cloud Environments
Mohammad Javad Amiri, Sujaya Maiyya, Divyakant Agrawal +1
Large scale data management systems utilize State Machine Replication to provide fault tolerance and to enhance performance. Fault-tolerant protocols are extensively used in the di…
Atomic Commitment Across Blockchains
Victor Zakhary, Divyakant Agrawal, Amr El Abbadi
The recent adoption of blockchain technologies and open permissionless networks suggest the importance of peer-to-peer atomic cross-chain transaction protocols. Users should be abl…
Multifaceted Privacy: How to Express Your Online Persona without Revealing Your Sensitive Attributes
Victor Zakhary, Ishani Gupta, Rey Tang +1
Recent works in social network stream analysis show that a user's online persona attributes (e.g., gender, ethnicity, political interest, location, etc.) can be accurately inferred…
Towards Global Asset Management in Blockchain Systems
Victor Zakhary, Mohammad Javad Amiri, Sujaya Maiyya +2
Permissionless blockchains (e.g., Bitcoin, Ethereum, etc) have shown a wide success in implementing global scale peer-to-peer cryptocurrency systems. In such blockchains, new curre…
ParBlockchain: Leveraging Transaction Parallelism in Permissioned Blockchain Systems
Mohammad Javad Amiri, Divyakant Agrawal, Amr El Abbadi
Many existing blockchains do not adequately address all the characteristics of distributed system applications and suffer from serious architectural limitations resulting in perfor…