187 citations · 211 across the 4 of their papers we have counts for
6 papers
Twins: BFT Systems Made Robust
Shehar Bano, Alberto Sonnino, Andrey Chursin +4
This paper presents Twins, an automated unit test generator of Byzantine attacks. Twins implements three types of Byzantine behaviors: (i) leader equivocation, (ii) double voting,…
Replay Attacks and Defenses Against Cross-shard Consensus in Sharded Distributed Ledgers
Alberto Sonnino, Shehar Bano, Mustafa Al-Bassam +1
We present a family of replay attacks against sharded distributed ledgers, that target cross-shard consensus protocols, such as the recently proposed Chainspace and Omniledger. The…
Illuminating an Ecosystem of Partisan Websites
Shweta Bhatt, Sagar Joglekar, Shehar Bano +1
This paper aims to shed light on alternative news media ecosystems that are believed to have influenced opinions and beliefs by false and/or biased news reporting during the 2016 U…
Coconut: Threshold Issuance Selective Disclosure Credentials with Applications to Distributed Ledgers
Alberto Sonnino, Mustafa Al-Bassam, Shehar Bano +2
Coconut is a novel selective disclosure credential scheme supporting distributed threshold issuance, public and private attributes, re-randomization, and multiple unlinkable select…
Consensus in the Age of Blockchains
Shehar Bano, Alberto Sonnino, Mustafa Al-Bassam +4
The blockchain initially gained traction in 2008 as the technology underlying bitcoin, but now has been employed in a diverse range of applications and created a global market wort…
Chainspace: A Sharded Smart Contracts Platform
Mustafa Al-Bassam, Alberto Sonnino, Shehar Bano +2
Chainspace is a decentralized infrastructure, known as a distributed ledger, that supports user defined smart contracts and executes user-supplied transactions on their objects. Th…