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PhD student for Privacy Preserving Blockchain Applications

IT-Universitetet i København

København, Storkøbenhavn

Indrykket
22-07-2019
Kontakt
IT-Universitetet i København
Rued Langgaards Vej 7
2300
København S
Tlf
72185131
Praktisk information
Oprettet
22-07-2019
Udløber
01-08-2019
Kviknummer
330045830
Jobtype
Fuldtid
Arbejdsområde
Forskning og undervisning
Stillingsbetegnelse
Ph.d.-stipendiat, naturvidenskab
Erfaringer - I højere grad
Ikke angivet (Forskning og udvikling), Ikke angivet (Ingeniør og naturvidenskab)
Sprog
Dansk Læse/ tale

The IT University of Copenhagen invites highly motivated individuals to apply for a 3 year PhD position starting in November 2019 or soon thereafter.

The position is part of the research Center for Information Security and Trust (CIST), placed in the Computer Science Department.

The project
Currently, most popular cryptocurrencies and smart contract systems such as Bitcoin and Ethereum offer no privacy guarantees. In practice, this means that all user data on transactions and contract execution is publicly available on the blockchain. The goal of this project is to develop new cryptographic protocols and techniques for privacy preserving blockchain applications, which guarantee that sensitive user data is never revealed. Besides guaranteeing user privacy, we also aim at developing new cryptographic techniques that allow for authorities to lawfully audit user activities in our privacy preserving protocols, which is an Important issue in current privacy preserving blockchain applications.

Towards this goal, we will investigate new techniques for constructing privacy preserving cryptocurrencies and smart contracts that do not leak user data on the blockchain but still allow for public verification of transactions and smart contract executions. While anonymous cryptocurrency systems such as Zcash solve the privacy issues of most current systems, they irrevocably hide all user activities, making it impossible to investigate illegal activities conducted in the system. Aiming at constructing regulation compliant protocols, we will investigate techniques for lawful auditing of user activities in privacy preserving blockchain applications.

The research in this project will focus on employing techniques from the areas of secure multiparty computation, zero knowledge and anonymous credentials to construct privacy preserving yet auditable cryptographic protocols for blockchain applications. More specifically, we will use these techniques to design and analyze provably secure protocols that implement cryptocurrencies with both privacy and auditability guarantees. We will also focus on improving the efficiency of such protocols aiming at practical applications.

The successful applicant should:

  • Have a strong background in computer science or mathematics, with a focus on complexity theory, number theory, algebra and probability theory
  • Have previous research experience in security and cryptography (specially in cryptographic protocols) is most welcome
  • Be motivated and enthusiastic about theoretical research in cryptography


Qualification Requirements
The following qualifications are required:

  • 3 year programme: candidates should have an MSc (or equivalent)
  • 4 year programme: candidates should have a BSc
Application
The application must be in English and must include:

  • A cover letter;
  • A statement of purpose, which provides evidence of independent thinking, novelty and originality, and a state of the art grasp of the targeted research field matching the project description above;
  • Documentation of academic degree(s); grade transcripts that documents outstanding academic achievement;
  • Curriculum Vitae, which must include two professional/academic references;
  • Applications may also include a relevant scientific publication written by the applicant, or the applicants master thesis. Letters of recommendation can also be included in the application
Applications without the above-mentioned documents will not be assessed.

It is understood that even highly qualified applicants will satisfy these requirements to varying degrees, for example because of differences in publication cultures in various research fields.

Early contact with our faculty staff is strongly encouraged.

General information
The IT University of Copenhagen (ITU) is a teaching and research-based tertiary institution concerned with information technology (IT) and the opportunities it offers. The IT University has more than 160 full-time Faculty members. Research and teaching in information technology span all academic activities which involve computers including computer science, information and media sciences, humanities and social sciences, business impact and the commercialization of IT.



Successful applicants will be employed and enrolled at the ITU University for a period of 3 or 4 years depending on the university degree level of the applicant.



Salary
Appointment and salary will be in accordance with the Ministry of Finance’s agreement with the Danish Confederation of Professional Associations (AC).

Application procedure
You can only apply for this position through our e-recruitment system. Apply by pushing the button "Apply for position" in the job announcement on our website: http://en.itu.dk/About-ITU/Vacancies

Please read the guidelines for applicants carefully before filling in the application form. You can see the guidelines through this link: https://en.itu.dk/research/phd-programme/available-phd-positions/guidelines-for-applicants

Applications must be written in English. All other documents, such as transcripts must be accompanied by a translation in English or Danish.

Questions about the positions can be directed to Associate Professor Bernardo David, IT University of Copenhagen, e-mail beda@itu.dk. Questions related to the application procedure may be directed to HR, Sara Toft, e-mail sato@itu.dk or +45 7218 5130.

The applicant will be assessed according to the Appointment Order from the Ministry of Science, Technology and Innovation of 13 March 2012.

The IT University may use shortlisting in connection to the recruitment process. I In case of shortlisting, the Chairman of the hiring committee selects applicants for assessment in consultation with the hiring committee after the application deadline. All applicants are notified whether their application has been passed for assessment. The shortlisting of candidates for assessment is based on the criteria in the job posting.

Application deadline: 15 August 2019, at 23:59 CEST.

Applications/enclosures received at ITU after the application deadline will not be taken into consideration. If you submit an application, it is your responsibility to ensure that it arrives before the deadline so please allow sufficient time for upload of publications and other documents.

The IT University invites all qualified researchers regardless of age, gender, religious affiliation or ethnic background to apply for the positions.

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Virksomhedsinformation
IT-Universitetet i København
Rued Langgaards Vej 7
2300
København S
Tlf
72185131
Praktisk information
Oprettet
22-07-2019
Udløber
01-08-2019
Kviknummer
330045830
Jobtype
Fuldtid
Arbejdsområde
Forskning og undervisning
Stillingsbetegnelse
Ph.d.-stipendiat, naturvidenskab
Erfaringer - I højere grad
Ikke angivet (Forskning og udvikling), Ikke angivet (Ingeniør og naturvidenskab)
Sprog
Dansk Læse/ tale
Beliggenhed