activity
20192023
most citedDistributed Ledger Technology for IoT: Parasite Chain Attacks

71 citations · 85 across the 8 of their papers we have counts for

collaborators

9 papers

cs.NI2023

Managing Write Access without Token Fees in Leaderless DAG-based Ledgers

Darcy Camargo, Luigi Vigneri, Andrew Cullen

A significant portion of research on distributed ledgers has focused on circumventing the limitations of leader-based blockchains mainly in terms of scalability, decentralization a…

cs.CR2023

An attack resilient policy on the tip pool for DAG-based distributed ledgers

Lianna Zhao, Andrew Cullen, Sebastian Müller +2

This paper discusses congestion control and inconsistency problems in DAG-based distributed ledgers and proposes an additional filter to mitigate these issues. Unlike traditional b…

cs.DC2022

Improving Quality of Service for Users of DAG-based Distributed Ledgers

Andrew Cullen, Lianna Zhao, Luigi Vigneri +1

An outstanding problem in the design of distributed ledgers concerns policies that govern the manner in which users interact with the network. Network usability is crucial to the m…

cs.CR2021★ 2 cited

Secure Access Control for DAG-based Distributed Ledgers

Lianna Zhao, Luigi Vigneri, Andrew Cullen +3

Access control is a fundamental component of the design of distributed ledgers, influencing many aspects of their design, such as fairness, efficiency, traditional notions of netwo…

cs.LG2021

Reinforcement Learning with Algorithms from Probabilistic Structure Estimation

Jonathan P. Epperlein, Roman Overko, Sergiy Zhuk +4

Reinforcement learning (RL) algorithms aim to learn optimal decisions in unknown environments through experience of taking actions and observing the rewards gained. In some cases,…

cs.NI2020★ 2 cited

Access Control for Distributed Ledgers in the Internet of Things: A Networking Approach

Andrew Cullen, Pietro Ferraro, William Sanders +2

In the Internet of Things (IoT) domain, devices need a platform to transact seamlessly without a trusted intermediary. Although Distributed Ledger Technologies (DLTs) could provide…

cs.CR2019★ 10 cited

Spatial Positioning Token (SPToken) for Smart Mobility

Roman Overko, Rodrigo H. Ordonez-Hurtado, Sergiy Zhuk +3

We introduce a permissioned distributed ledger technology (DLT) design for crowdsourced smart mobility applications. This architecture is based on a directed acyclic graph architec…

cs.DC2019★ 71 cited

Distributed Ledger Technology for IoT: Parasite Chain Attacks

Andrew Cullen, Pietro Ferraro, Christopher King +1

Directed Acyclic Graph (DAG) based Distributed Ledgers can be useful in a number of applications in the IoT domain. A distributed ledger should serve as an immutable and irreversib…

eess.SY2019

Distributed Ledger Technology for Smart Mobility: Variable Delay Models

Andrew Cullen, Pietro Ferraro, Christopher King +1

Recently, Directed Acyclic Graph (DAG) based Distributed Ledgers have been proposed for various applications in the smart mobility domain [1]. While many application studies have b…