What3Words Geo Encryption: An Alternative Approach to Location based Encryption. - Julian Dreyer; Ralf Tönjes (IoTBDS, 2020)

NFC Key Exchange - A light-weight approach to authentic Public Key Exchange for IoT devices. - Julian Dreyer; Marten Fischer; Ralf Tönjes (WF-IoT, 2021)

Towards securing Public-Key Storage using Hyperledger Fabric. - Julian Dreyer; Ralf Tönjes; Nils Aschenbruck (ICBC, 2022)

Decentralizing loT Public- Key Storage using Distributed Ledger Technology. - Julian Dreyer; Ralf Tönjes; Nils Aschenbruck (IWCMC, 2022)

Comparison of Distributed Tamper-Proof Storage Methods for Public Key Infrastructures. - Fabian Honecker; Julian Dreyer; Ralf Tönjes (Future Internet, 2022)

ESPuF - Enabling SRAM PUFs on Commodity Hardware. - Julian Dreyer; Ralf Tönjes; Nils Aschenbruck (ICSPCS, 2023)

Towards Generating True Random Numbers using Magnetoresistive RAM. - Julian Dreyer; Ralf Tönjes; Nils Aschenbruck (WTS 2023, 2023)

Performance Comparison of Directed Acyclic Graph-Based Distributed Ledgers and Blockchain Platforms. - Felix Kahmann; Fabian Honecker; Julian Dreyer; Marten Fischer; Ralf Tönjes (Comput., 2023)

Data Link Layer Network Access Control using Physically Unclonable Functions. - Julian Dreyer; Ralf Tönjes; Nils Aschenbruck (HPSR, 2024)