Practical Asynchronous Proactive Secret Sharing and Key Refresh. - Christoph U. Günther; Sourav Das 001; Lefteris Kokoris-Kogias (IACR Cryptol. ePrint Arch., 2022)

Trapdoor Memory-Hard Functions. - Benedikt Auerbach; Christoph U. Günther; Krzysztof Pietrzak (IACR Cryptol. ePrint Arch., 2024)

Deniability in Automated Contact Tracing: Impossibilities and Possibilities. - Christoph U. Günther; Krzysztof Pietrzak (Proc. Priv. Enhancing Technol., 2024)

Nakamoto Consensus from Multiple Resources. - Mirza Ahad Baig; Christoph U. Günther; Krzysztof Pietrzak (IACR Cryptol. ePrint Arch., 2025)

Constrained Verifiable Random Functions Without Obfuscation and Friends. - Nicholas Brandt; Miguel Cueto Noval; Christoph U. Günther; Akin Ünal; Stella Wohnig (IACR Cryptol. ePrint Arch., 2025)

Putting Sybils on a Diet: Securing Distributed Hash Tables using Proofs of Space. - Christoph U. Günther; Krzysztof Pietrzak (IACR Cryptol. ePrint Arch., 2025)