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Markulf Kohlweiss

Research Fellow

Academic Research

AGATE: Augmented Global Attested Trusted Execution in the Universal Composability framework

Lorenzo Martinico,Markulf Kohlweiss

June/2025, To appear in: CSF '25

TEE

The Brave New World of Global Generic Groups and UC-Secure Zero-Overhead SNARKs

Jan Bobolz,Pooya Farshim,Markulf Kohlweiss,Akira Takahashi

December/2024, TCC '24

UNIVERSAL COMPOSITION

The Uber-Knowledge Assumption: A Bridge to the AGM

Balthazar Bauer,Pooya Farshim,Patrick Harasser,Markulf Kohlweiss

October/2024, IACR Communications in Cryptology

ZKSNARKS

PARScoin: A Privacy-preserving, Auditable, and Regulation-friendly Stablecoin

Amirreza Sarencheh,Prof Aggelos Kiayias,Markulf Kohlweiss

September/2024, CANS '24

STABLECOIN

Foundations of Anonymous Signatures: Formal Definitions, Simplified Requirements, and a Construction Based on General Assumptions

Jan Bobolz,Jesus Diaz,Markulf Kohlweiss

March/2024, Financial Cryptography 2024

ANONYMOUS SIGNATURES

Threshold Structure-Preserving Signatures

Elizabeth Crites,Markulf Kohlweiss,Bart Preneel,Mahdi Sedaghat,Daniel Slamanig

December/2023, Asiacrypt '23

How to Compile Polynomial IOP into Simulation-Extractable SNARKs: A Modular Approach

Markulf Kohlweiss,Mahak Pancholi,Akira Takahashi

November/2023, TCC '23

SNARKS

From Polynomial IOP and Commitments to Non-malleable zkSNARKs

Antonio Faonio,Dario Fiore,Markulf Kohlweiss,Luigi Russo,Michal Zajac

November/2023, TCC '23

ZKSNARKS

Privacy-Preserving Blueprints

Markulf Kohlweiss,Anna Lysyanskaya,An Nguyen

April/2023, Eurocrypt '23

PRIVACY

PEReDi: Privacy-Enhanced, Regulated and Distributed Central Bank Digital Currencies

Prof Aggelos Kiayias,Markulf Kohlweiss,Amirreza Sarencheh

November/2022, ACM CCS '22

CBDC

What Makes Fiat–Shamir zkSNARKs (Updatable SRS) Simulation Extractable?

Chaya Ganesh,Hamidreza Khoshakhlagh,Markulf Kohlweiss,Anca Nitulescu,Michał Zając

September/2022, SCN '22

ZERO-KNOWLEDGE

Zswap: zk-SNARK Based Non-Interactive Multi-Asset Swaps

Felix Engelmann,Thomas Kerber,Markulf Kohlweiss,Mikhail Volkhov

July/2022, PoPETs '22

NIZK MULTI-ASSET PRIVACY

Bottom-up Trust Registry in Self Sovereign Identity

Kai Jun Eer,Jesus Diaz,Markulf Kohlweiss

July/2022, BLOCKCHAIN '22

SSI

Composition with Knowledge Assumptions

Thomas Kerber,Prof Aggelos Kiayias,Markulf Kohlweiss

August/2021, Crypto 2021

ZEROKNOWLEDGE

Kachina - Foundations of Private Smart Contracts

Thomas Kerber,Prof Aggelos Kiayias,Markulf Kohlweiss

June/2021, CSF '21

PRIVACY SMARTCONTRACT

Consistency for Functional Encryption

Christian Badertscher,Prof Aggelos Kiayias,Markulf Kohlweiss,Hendrik Waldner

June/2021, CSF '21

CONSISTENCY FUNCTIONAL-ENCRYPTION

Steel: Composable Hardware-based Stateful and Randomised Functional Encryption

Pramod Bhatotia,Markulf Kohlweiss,Lorenzo Martinico,Yiannis Tselekounis

May/2021, PKC '21

FUNCTIONAL-ENCRYPTION TRUSTED EXECUTION ENVIRONMENTS UNIVERSAL COMPOSITION

Mining for Privacy: How to Bootstrap a Snarky Blockchain

Thomas Kerber,Prof Aggelos Kiayias,Markulf Kohlweiss

March/2021, Financial Cryptography 2021

REFERENCE-STRING ZERO-KNOWLEDGE

Another Look at Extraction and Randomization of Groth's zk-SNARK

Karim Baghery,Markulf Kohlweiss,Janno Siim,Mikhail Volkhov

March/2021, Financial Cryptography 2021

SIMULATION EXTRACTABILITY UNIVERSAL COMPOSITION ZKSNARKS

Sonic: Zero-Knowledge SNARKs from Linear-Size Universal and Updateable Structured Reference Strings

Mary Maller,Sean Bowe,Markulf Kohlweiss,Sarah Meiklejohn

November/2019, ACM CCS 2019.

CRYPTO PRIVACY PROTOCOL ZERO-KNOWLEDGE

Ouroboros Crypsinous: Privacy-Preserving Proof-of-Stake

Thomas Kerber,Markulf Kohlweiss,Prof Aggelos Kiayias,Vassilis Zikas

May/2019, IEEE Symposium on Security and Privacy

PROOF-OF-STAKE PROTOCOL