4 papers
SplitBFT: Improving Byzantine Fault Tolerance Safety Using Trusted Compartments
Ines Messadi, Markus Horst Becker, Kai Bleeke +3
Byzantine fault-tolerant agreement (BFT) in a partially synchronous system usually requires 3f + 1 nodes to tolerate f faulty replicas. Due to their high throughput and finality pr…
Hector: Using Untrusted Browsers to Provision Web Applications
David Goltzsche, Tim Siebels, Lennard Golsch +1
Web applications are on the rise and rapidly evolve into more and more mature replacements for their native counterparts. This disruptive trend is mainly driven by the attainment o…
Blockchain and Trusted Computing: Problems, Pitfalls, and a Solution for Hyperledger Fabric
Marcus Brandenburger, Christian Cachin, Rüdiger Kapitza +1
A smart contract on a blockchain cannot keep a secret because its data is replicated on all nodes in a network. To remedy this problem, it has been suggested to combine blockchains…
CYCLOSA: Decentralizing Private Web Search Through SGX-Based Browser Extensions
Rafael Pires, David Goltzsche, Sonia Ben Mokhtar +6
By regularly querying Web search engines, users (unconsciously) disclose large amounts of their personal data as part of their search queries, among which some might reveal sensiti…