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aerwig(at)posteo(dot)de
I am a cryptography architect at SAP working among other topics on PQC migration and crypto agility. Prior to that, I was a cryptography researcher at brainbot, working on MEV resistance and threshold cryptography and a postdoctoral researcher at the Chair of Applied Cryptography at Technical University of Darmstadt working mostly on the security of cryptographic wallets. I completed my Ph.D. in 2023 under the supervision of Sebastian Faust. During my Ph.D. I was working in the broad field of applied cryptography and blockchain technologies, focusing in particular on secure wallets and off-chain protocols. My thesis is titled "Provably Secure Advanced Cryptographic Wallets" and can be accessed here.
Research Interests
Research Interests
I am generally interested in the design and formal analysis of cryptographic primitives that can be used within Blockchain networks. Currently, I am mainly working on threshold cryptography for MEV protection as well as on the security of cryptographic wallets. Additionally, I am interested in the following topics:
Layer-2 Scaling Solutions for Blockchains
Signature schemes such as Adaptor Signatures, Blind Signatures, and post-quantum secure signature schemes.
Talks
Talks
June 30, 2025: An Anti-Collusion Mechanism for Threshold Encrypted Mempools, EthCC[8]
June 12, 2025: The Holy Trinity of Censorship Resistance in Ethereum, Protocol Berg 2025, Joint talk with Luis Bezzenberger and Marc Harvey-Hill
Sept. 12, 2024: Shared-Custodial Password-Authenticated Deterministic Wallets, SCN 2024
Dec. 15, 2022: BIP32-Compatible Threshold Wallets, Invited talk at Polkadot
Sept. 26, 2022: Deterministic Wallets for Adaptor Signatures, ESORICS 2022
Dec. 10, 2021: Generalized Channels From Limited Blockchain Scripts and Adaptor Signatures, Asiacrypt 2021, Joint talk with Siavash Riahi
May 25, 2021: Bitcoin-Compatible Virtual Channels, IEEE S&P 2021, Joint talk with Lukas Aumayr
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