Search Results for author: Andre Cronje

Found 7 papers, 1 papers with code

OV: Validity-based Optimistic Smart Contracts

1 code implementation9 Apr 2020 Quan Nguyen, Andre Cronje, Michael Kong

Reasoning about the validity of the object states is challenging in concurrent smart contracts.

Distributed, Parallel, and Cluster Computing Programming Languages

Fast Stochastic Peer Selection in Proof-of-Stake Protocols

no code implementations12 Nov 2019 Quan Nguyen, Andre Cronje, Michael Kong

The problem of peer selection, which randomly selects a peer from a set, is commonplace in Proof-of-Stake (PoS) protocols.

Distributed, Parallel, and Cluster Computing Data Structures and Algorithms

StairDag: Cross-DAG Validation For Scalable BFT Consensus

no code implementations29 Aug 2019 Quan Nguyen, Andre Cronje, Michael Kong, Alex Kampa, George Samman

Unlike StakeDag's DAG, x-DAG ensures that each new block has to have parent blocks from both Users and Validators to achieve more safety and liveness.

Cryptography and Security Distributed, Parallel, and Cluster Computing

StakeDag: Stake-based Consensus For Scalable Trustless Systems

no code implementations5 Jul 2019 Quan Nguyen, Andre Cronje, Michael Kong, Alex Kampa, George Samman

We address a general model of trustless system in which participants are distinguished by their stake or trust: users and validators.

Distributed, Parallel, and Cluster Computing Cryptography and Security

ONLAY: Online Layering for scalable asynchronous BFT system

no code implementations13 May 2019 Quan Nguyen, Andre Cronje

This paper presents a new framework, namely \emph{\onlay}, for scalable asynchronous distributed systems.

Distributed, Parallel, and Cluster Computing

Fantom: A scalable framework for asynchronous distributed systems

no code implementations22 Oct 2018 Sang-Min Choi, Jiho Park, Quan Nguyen, Andre Cronje

We describe \emph{Fantom}, a framework for asynchronous distributed systems.

Distributed, Parallel, and Cluster Computing

OPERA: Reasoning about continuous common knowledge in asynchronous distributed systems

no code implementations4 Oct 2018 Sang-Min Choi, Jiho Park, Quan Nguyen, Andre Cronje, Kiyoung Jang, Hyunjoon Cheon, Yo-Sub Han, Byung-Ik Ahn

Each event block is signed by the hashes of the creating node and its $k$ peers.

Distributed, Parallel, and Cluster Computing

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