Now showing items 1-5 of 5

    • FairBlock: Preventing Blockchain Front-running with Minimal Overheads 

      Momeni, Peyman (University of Waterloo, 2022-08-17)
      While blockchain systems are quickly gaining popularity, front-running remains a major obstacle to fair exchange. Front-running is a family of strategies in which a malicious party manipulates the order of transactions ...
    • Making Renewable Energy Certificates Efficient, Trustworthy, and Private 

      Karakashev, Dimcho (University of Waterloo, 2020-08-19)
      Although renewable energy costs are declining rapidly, producers still rely on additional incentives, such as Renewable Energy Certificates (RECs), when making an investment decision. An REC is a proof that a certain amount ...
    • Privately Constrained Testable Pseudorandom Functions 

      Pawlega, Filip (University of Waterloo, 2018-09-20)
      Privately Constrained Pseudorandom Functions allow a PRF key to be delegated to some evaluator in a constrained manner, such that the key’s functionality is restricted with respect to some secret predicate. Variants of ...
    • Securing Cloud Computations with Oblivious Primitives from Intel SGX 

      Sasy, Sajin (University of Waterloo, 2017-12-12)
      We are witnessing a confluence between applied cryptography and secure hardware systems in enabling secure cloud computing. On one hand, work in applied cryptography has enabled efficient, oblivious data-structures and ...
    • User-Controlled Computations in Untrusted Computing Environments 

      Vinayagamurthy, Dhinakaran (University of Waterloo, 2019-01-15)
      Computing infrastructures are challenging and expensive to maintain. This led to the growth of cloud computing with users renting computing resources from centralized cloud providers. There is also a recent promise in ...

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