5 papers
Tilikum: Transaction Fair Ordering on a DAG without Weak Edges
Giulio Segalini, Yigit ÃolakoÄlu, Marko Putnik +1
Decentralized Finance (DeFi) applications rely heavily on the order in which transactions are executed, making them susceptible to reordering attacks that enable adversaries to ext…
Herring: Parallel Batch-Order-Fairness on DAG-based Blockchain Consensus
Marko Putnik, Jérémie Decouchant
Transaction ordering attacks extract billions of dollars annually from decentralized finance users in the form of Maximal Extractable Value (MEV). Byzantine Fault-Tolerant (BFT) co…
The Blockchain Execution Dilemma: Optimizing Revenue XOR Fair Ordering
Artjom Pugatsov, Can Umut Ileri, Jérémie Decouchant +1
Successive consensus algorithm generations displaced the blockchain performance bottleneck to the execution layer. Recent works address this by parallelizing non-conflicting transa…
Aergia: Leveraging Heterogeneity in Federated Learning Systems
Bart Cox, Lydia Y. Chen, Jérémie Decouchant
Federated Learning (FL) is a popular approach for distributed deep learning that prevents the pooling of large amounts of data in a central server. FL relies on clients to update a…
Tolerating Disasters with Hierarchical Consensus
Wassim Yahyaoui, Joachim Bruneau-Queyreix, Jérémie Decouchant +1
Geo-replication provides disaster recovery after catastrophic accidental failures or attacks, such as fires, blackouts or denial-of-service attacks to a data center or region. Natu…