publications

pre-prints

  1. Platypus: A Central Bank Digital Currency with Unlinkable Transactions and Privacy Preserving Regulation
    Karl Wüst, Kari Kostiainen, and Srdjan Capkun
    Cryptology ePrint Archive, 2021

peer-reviewed

2021

  1. CCSW
    ROSEN: RObust and SElective Non-Repudiation (for TLS)
    Srdjan Capkun, Ercan Ozturk, Gene Tsudik, and Karl Wüst
    ACM Cloud Computing Security Workshop, 2021
  2. NDSS
    Bitcontracts: Supporting Smart Contracts in Legacy Blockchains
    Karl Wüst, Loris Diana, Kari Kostiainen, Ghassan Karame, Sinisa Matetic, and Srdjan Capkun
    Network and Distributed System Security Symposium, 2021

2020

  1. CCS
    ACE: Asynchronous and Concurrent Execution of Complex Smart Contracts
    Karl Wüst, Sinisa Matetic, Silvan Egli, Kari Kostiainen, and Srdjan Capkun
    ACM SIGSAC Conference on Computer and Communications Security, 2020
  2. NDSS
    Snappy: Fast On-chain Payments with Practical Collaterals
    Vasilios Mavroudis, Karl Wüst, Aritra Dhar, Kari Kostiainen, and Srdjan Capkun
    Network and Distributed System Security Symposium, 2020

2019

  1. USENIX
    BITE: Bitcoin Lightweight Client Privacy using Trusted Execution
    Sinisa Matetic, Karl Wüst, Moritz Schneider, Kari Kostiainen, Ghassan Karame, and Srdjan Capkun
    28th USENIX Security Symposium, 2019
  2. FC
    PRCash: Fast, Private and Regulated Transactions for Digital Currencies
    Karl Wüst, Kari Kostiainen, Vedran Capkun, and Srdjan Capkun
    International Conference on Financial Cryptography and Data Security, 2019
  3. FC
    ZLiTE: Lightweight Clients for Shielded Zcash Transactions using Trusted Execution
    Karl Wüst, Sinisa Matetic, Moritz Schneider, Ian Miers, Kari Kostiainen, and Srdjan Capkun
    International Conference on Financial Cryptography and Data Security, 2019
  4. WTSC
    You sank my battleship! A case study to evaluate state channels as a scaling solution for cryptocurrencies
    Patrick McCorry, Chris Buckland, Surya Bakshi, Karl Wüst, and Andrew Miller
    FC Workshop on Trusted Smart Contracts, 2019

2018

  1. CVCBT
    Do you need a Blockchain?
    Karl Wüst, and Arthur Gervais
    2018 Crypto Valley Conference on Blockchain Technology, 2018
  2. NDSS
    TLS-N: Non-repudiation over TLS Enabling Ubiquitous Content Signing
    Hubert Ritzdorf, Karl Wüst, Arthur Gervais, Guillaume Felley, and Srdjan Čapkun
    Network and Distributed System Security Symposium, 2018

2017

  1. DFRWS
    Force Open: Lightweight black box file repair
    Karl Wüst, Petar Tsankov, Saša Radomirović, and Mohammad Torabi Dashti
    DFRWS Europe, 2017

2016

  1. CCS
    On the Security and Performance of Proof of Work Blockchains
    Arthur Gervais, Ghassan O Karame, Karl Wüst, Vasileios Glykantzis, Hubert Ritzdorf, and Srdjan Čapkun
    ACM SIGSAC Conference on Computer and Communications Security, 2016

technical reports

  1. Design Choices for Central Bank Digital Currency: Policy and Technical Considerations
    Sarah Allen, Srdjan Čapkun, Ittay Eyal, Giulia Fanti, Bryan A Ford, James Grimmelmann, Ari Juels, Kari Kostiainen, Sarah Meiklejohn, Andrew Miller, Eswar Prasad, Karl Wüst, and Fan Zhang
    Technical Report, NBER Working Paper Series & The Brookings Institution, 2020
  2. Ethereum Eclipse Attacks
    Karl Wüst, and Arthur Gervais
    Technical Report, ETH Zurich, 2016