Sui Lutris is the first smart-contract platform to sustainably achieve sub-second finality. It
achieves this significant decrease by employing consensusless agreement not only for …

This paper presents Banyan, the first rotating leader state machine replication (SMR)
protocol that allows transactions to be confirmed in just a single round-trip time in the …

Contact discovery is a crucial component of social applications, facilitating interactions
between registered contacts. This work introduces Arke, a novel contact discovery scheme …

A typical blockchain protocol uses consensus to make sure that mutually mistrusting users
agree on the order in which their operations on shared data are executed. However, it is …

As shown by Reliable Broadcast and Consensus, cooperation among a set of independent
computing entities (sequential processes) is a central issue in distributed computing …

This paper presents the first rotating leader state machine replication (SMR) protocol that
allows transactions to be confirmed in just a single round-trip time in the Byzantine fault …

Digital platforms that run on blockchain technologies which offer products and services use
their own digital currency to settle transactions and rely on decentralized governance …

The current monetary system is the result of an evolution extending over several centuries.
How it compares to alternative systems forms a long-standing question. New technologies …

In this dissertation, we address three major challenges in the design of blockchain systems
in particular and large-scale fault-tolerant distributed systems in general. This work aims at …

This thesis is about Privacy Preserving Distributed Identity Management Systems
(PPDIMSs). This subject is of particular interest as privacy preservation becomes a popular …