Nikos Fotiou | DeepAI

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Featured Co-authors

George C. Polyzos
14 publications
Vasilios A. Siris
10 publications
Spyros Voulgaris
7 publications
Iakovos Pittaras
5 publications
Dmitrij Lagutin
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Franco Davoli
4 publications
George Xylomenos
3 publications
Mario Marchese
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Dimitrios Dimopoulos
2 publications
Spiros Chadoulos
1 publication
Nikolaos Ipiotis
1 publication

∙ 09/01/2022

Authentication, Authorization, and Selective Disclosure for IoT data sharing using Verifiable Credentials and Zero-Knowledge Proofs

As IoT becomes omnipresent vast amounts of data are generated, which can...

0 Nikos Fotiou, et al. ∙

∙ 05/18/2021

Enabling self-verifiable mutable content items in IPFS using Decentralized Identifiers

In IPFS content identifiers are constructed based on the item's data the...

0 Nikos Fotiou, et al. ∙

∙ 04/23/2021

Capability-based access control for multi-tenant systems using OAuth 2.0 and Verifiable Credentials

We propose a capability-based access control technique for sharing Web r...

0 Nikos Fotiou, et al. ∙

∙ 03/09/2020

Ransomware as a Service using Smart Contracts and IPFS

Decentralized systems, such as distributed ledgers and the InterPlanetar...

0 Christos Karapapas, et al. ∙

∙ 01/28/2020

OAuth 2.0 authorization using blockchain-based tokens

OAuth 2.0 is the industry-standard protocol for authorization. It facili...

0 Nikos Fotiou, et al. ∙

∙ 11/13/2019

Exploiting Satellite Broadcast despite HTTPS

HTTPS enhances end-user privacy and is often preferred or enforced by ov...

0 Nikos Fotiou, et al. ∙

∙ 11/13/2019

Enabling Opportunistic Users in Multi-Tenant IoT Systems using Decentralized Identifiers and Permissioned Blockchains

In this work, we leverage advances in decentralized identifiers and perm...

0 Nikos Fotiou, et al. ∙

∙ 07/08/2019

Secure IoT access at scale using blockchains and smart contracts

Blockchains and smart contracts are an emerging, promising technology, t...

0 Nikos Fotiou, et al. ∙

∙ 05/05/2019

Interledger Smart Contracts for Decentralized Authorization to Constrained Things

We present models that utilize smart contracts and interledger mechanism...

0 Vasilios A. Siris, et al. ∙

∙ 05/05/2019

OAuth 2.0 meets Blockchain for Authorization in Constrained IoT Environments

We present models for utilizing blockchain and smart contract technology...

0 Vasilios A. Siris, et al. ∙

∙ 01/23/2019

Smart contracts for the Internet of Things: opportunities and challenges

With the Internet of Things (IoT), Things are expected to live in differ...

0 Nikos Fotiou, et al. ∙

∙ 01/23/2019

Interacting with the Internet of Things using Smart Contracts and Blockchain Technologies

Despite technological advances, most smart objects in the Internet of Th...

0 Nikos Fotiou, et al. ∙

∙ 02/14/2018

ICN enabling CoAP Extensions for IP based IoT devices

The Constrained Application Protocol (CoAP) and its extensions, such as ...

0 Nikos Fotiou, et al. ∙

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