3 papers
cs.DC2021
On the Synchronization Power of Token Smart Contracts
Orestis Alpos, Christian Cachin, Giorgia Azzurra Marson +1
Modern blockchains support a variety of distributed applications beyond cryptocurrencies, including smart contracts -- which let users execute arbitrary code in a distributed and d…
cs.CR2020
BaFFLe: Backdoor detection via Feedback-based Federated Learning
Sebastien Andreina, Giorgia Azzurra Marson, Helen Möllering +1
Recent studies have shown that federated learning (FL) is vulnerable to poisoning attacks that inject a backdoor into the global model. These attacks are effective even when perfor…
cs.CR2018
On the Security of Randomized Defenses Against Adversarial Samples
Kumar Sharad, Giorgia Azzurra Marson, Hien Thi Thu Truong +1
Deep Learning has been shown to be particularly vulnerable to adversarial samples. To combat adversarial strategies, numerous defensive techniques have been proposed. Among these,…