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Privacy Advances by PRIViLEDGE Partners

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This blog is an extended version of a talk given by Toon Segers at the PRIViLEDGE workshop “Data Sharing and Privacy – What Has Changed i...

Blockchain Technology and Decentralized Contact Tracing: The Good, The Bad and the Ugly

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The COVID-19 pandemics urged governments to find effective solutions to slow down the spread of the virus. Looking for possible solutions...

Updatable Blockchains

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No software is perfect at its first release. Even if a software realizes all the features that he is supposed to implement, it is likely ...

Introducing TIVILEDGE: Next Generation Blockchain Online Voting, Part II

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In the previous blog post, we discussed different issues with current approaches to applying blockchain technology for electronic voting....

Property testing a software update mechanism

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One of the work-packages of Priviledge has to do with the development of a decentralized update mechanism for Cardano. Within th...

Auditable Multi-Party Computation

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This post is the first half of a two-part series explaining the PRIViLEDGE project use case for applying privacy-preserving distributed l...

Safe storage of data on ledgers

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One of the topics under research in the PRIViLEDGE project is the safe storage of sensitive data on ledgers. This post will give some ins...

Privacy meets accountability in token payment systems

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Token management systems have been a central application of blockchain technology ever since its early days. Despite their popularity, th...

Reasoning about privacy in smart contracts

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Smart contracts have become a standard way to implement complex online interaction patterns involving the exchange of both cryptographic ...

How decentralized are your software updates?

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Software updates are everywhere. The most vital aspect of sustainability for any software system is its ability to effectively and swiftl...

What did 2019 deliver to PRIViLEDGE and PRIViLEDGE to 2019?

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An end of a year is always a great time for reflection. So, let’s look back at what happened in the PRIViLEDGE project in 2019. ...

Toolkit for post-quantum secure protocols in ledgers

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One of the deliverables of the PRIViLEDGE project is a toolkit for post-quantum secure protocols in ledgers. The toolkit will provide cli...

Privacy Challenges and Requirements in the Diploma Record Ledger

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In a previous blog post we saw a prototype service that Greek graduates can use to prove to a third-part that they indeed have a...

Alice proves to Bob that she has graduated with diploma

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Higher Education Institutes (HEI) and their Student Information Systems (SIS) have been operating in silos as far as the diplomas issuing...

Introducing ‘The World’s Billionaires Problem’

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Forbes and billionairesOn March 5, 2019, Forbes reported: "Capitalism is taking some lumps — and not just in the headlines. For only...

It's time to stamp time

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Timestamping allows for a (digital) object -typically a document- to be associated with a creation time (interval), such that anyone seei...

Software Developers vs Blockchain Application Developers

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Computer Science/Engineering university degree programs typically provide knowledge of paradigms of computation and programming ...

Introducing TIVILEDGE: Next Generation Blockchain Online Voting, Part I

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Opinion polling (or as it is better known - voting) has a significant role in organisations and societies as a method for making decision...

Asymmetric Distributed Trust

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Blockchain platforms are essentially distributed databases that guarantee consistency even in settings where neither all users of the sys...

Successful first project workshop

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Mid-May - the partners in the PRIViLEDGE (Privacy-enhancing cryptography in ledgers) project held a workshop in Darmstadt, Germany to mee...

Zero Knowledge

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I work in cryptography.

Looking back and looking ahead

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PRIViLEDGE project is celebrating its first birthday in January 2019, so it’s an excellent time for looking back to 2018 as well as loo...