PETchain: A Blockchain-Based Privacy Enhancing Technology

Javed, Ibrahim Tariq; Alharbi, Fares; Margaria, Tiziana; Crespi, Noël; Qureshi, Kashif Naseer

doi:10.1109/access.2021.3064896

Cited by 27 publications

(16 citation statements)

References 22 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…In particular, the cryptographic keys or tokens must be securely stored on the blockchain, and they can be retrieved by authorized users in order to decrypt contents stored on the storage layer. For instance, in [51,103,104,105] the contents are encrypted by using secret key and stored on a third-party storage providers while the blockchain contains the secret key encrypted with the asymmetric public keys of the users authorized to access such contents. Instead, some approaches [106,107] store an identifier of the encrypted content on the blockchain along with a token which is used to monitor the propagation of information and to limit the number of re-shares that can be performed with that content.…”

Section: Blockchain-based Privacy Enforcement Modelmentioning

confidence: 99%

Content Privacy Enforcement Models in Decentralized Online Social Networks: State of Play, Solutions, Limitations, and Future Directions

Salve¹,

Mori²,

Ricci³

et al. 2022

Preprint

View full text Add to dashboard Cite

Section: Blockchain-based Privacy Enforcement Modelmentioning

confidence: 99%

Content Privacy Enforcement Models in Decentralized Online Social Networks: State of Play, Solutions, Limitations, and Future Directions

Salve¹,

Mori²,

Ricci³

et al. 2022

Preprint

View full text Add to dashboard Cite

“…Several surveys presented an overview of PETs and AETs [1,22,67] or taxonomies with the technologies' qualities (e.g., cryptographic foundation, data handling requirements) [36,30], adoption challenges (e.g., legal, social, technical, and economic) [41,80], or PETs in different contexts (e.g., blockchain, personalization) [39,61]. However, while these surveys presented extensive research to understand and contextualize PETs, they did not focus on data exchange.…”

Section: Related Workmentioning

confidence: 99%

Mitigating Sovereign Data Exchange Challenges: A Mapping to Apply Privacy- and Authenticity-Enhancing Technologies

Schmidt¹,

Garrido²,

Mühle³

et al. 2022

Preprint

View full text Add to dashboard Cite

Harmful repercussions from sharing sensitive or personal data can hamper institutions' willingness to engage in data exchange. Thus, institutions consider Authenticity-Enhancing Technologies (AETs) and Privacy-Enhancing Technologies (PETs) to engage in Sovereign Data Exchange (SDE), i.e., sharing data with third parties without compromising their own or their users' data sovereignty. However, these technologies are often technically complex, which impedes their adoption. To support practitioners select PETs and AETs for SDE use cases and highlight SDE challenges researchers and practitioners should address, this study empirically constructs a challenge-oriented technology mapping. First, we compile challenges of SDE by conducting a systematic literature review and expert interviews. Second, we map PETs and AETs to the SDE challenges and identify which technologies can mitigate which challenges. We validate the mapping through investigator triangulation. Although the most critical challenge concerns data usage and access control, we find that the majority of PETs and AETs focus on data processing issues.

show abstract

“…This study creates trust between sender and receiver without disclosing the sender's identity. PETchain [39] is based on blockchain that uses it to enhance privacy. Different hospitals lag control the electronic health records (EHRs) during the information sharing process.…”

Section: Blockchain Use Casesmentioning

confidence: 99%

CBCIoT: A Consensus Algorithm for Blockchain-Based IoT Applications

et al. 2021

Self Cite

View full text Add to dashboard Cite

Internet of things is widely used in the current era to collect data from sensors and perform specific tasks through processing according to the requirements. The data collected can be sent to a blockchain network to create secure and tamper-resistant records of transactions. The combination of blockchain with IoT has huge potential as it can provide decentralized computation, storage, and exchange for IoT data. However, IoT applications require a low-latency consensus mechanism due to its constraints. In this paper, CBCIoT, a consensus algorithm for blockchain-based IoT applications, is proposed. The primary purpose of this algorithm is to improve scalability in terms of validation and verification rate. The algorithm is developed to be compatible with IoT devices where a slight delay is acceptable. The simulation results show the proposed algorithm’s efficiency in terms of block generation time and transactions per second.

show abstract

PETchain: A Blockchain-Based Privacy Enhancing Technology

Cited by 27 publications

References 22 publications

Content Privacy Enforcement Models in Decentralized Online Social Networks: State of Play, Solutions, Limitations, and Future Directions

Content Privacy Enforcement Models in Decentralized Online Social Networks: State of Play, Solutions, Limitations, and Future Directions

Mitigating Sovereign Data Exchange Challenges: A Mapping to Apply Privacy- and Authenticity-Enhancing Technologies

CBCIoT: A Consensus Algorithm for Blockchain-Based IoT Applications

Contact Info

Product

Resources

About