This dissertation presents a series of novel zero-knowledge proof (ZKP) protocols—Libra,
deVirgo, Orion, and Pianist—each achieving significant improvements in proof generation …

Outsourcing computation to cloud service providers (CSPs) has been convenient as the
cloud computing paradigm becomes popular. One problem with computation outsourcing is …

Abstract Internet-of-things (IoT) devices have rapidly gained popularity in people's daily
lives. While these devices provide many smart functionalities and enable new applications …

With the popularity and prosperity of cloud services, outsourcing computation to cloud
servers has become an irreversible trend which can not only reduce the computation burden …

Zero-knowledge proof is a cryptographic protocol enabling provers to convince verifiers of a
statement's validity without disclosing any additional information beyond its truthfulness. It …

This is probably the most dif cult to write part of the thesis. Undoubtedly many thanks to my
advisor, Dario Fiore, for giving me the opportunity to pursue the PhD in such a wonderful …

Truth Discovery (TD) is to infer truthful information by estimating the reliability of users in
crowdsensing systems. To protect data privacy, many Privacy-Preserving Truth Discovery …

Recent advances in deep learning have shown that multi-layer neural networks can achieve
state-of-the-art performance on a wide range of machine learning tasks. However, deploying …

Using a third-party service today requires trusting that it is executing as it promises.
Meanwhile, the correct execution of services is regularly impeded by failures, bugs …

현재의 신용평가체계에서는 신용정보회사가 개인의 신용정보를 금융기관으로부터 수집하고
이를 기반으로 신용평가를 수행한다. 하지만 이런 신용평가방법은 민감한 신용정보가 하나의 …