Reversing the Virtual Maze: An Overview of the Technical and Methodological Challenges for Metaverse App Analysis. - Alfonso Rodriguez Barredo-Valenzuela; Sergio Pastrana Portillo; Narseo Vallina-Rodriguez; Guillermo Suarez-Tangil (MetaCom, 2024)

Snorkeling in Dark Waters: A Longitudinal Surface Exploration of Unique Tor Hidden Services. - Alfonso Rodriguez Barredo-Valenzuela; Sergio Pastrana; Guillermo Suarez-Tangil (IEEE Trans. Inf. Forensics Secur., 2025)

Snorkeling in dark waters: A longitudinal surface exploration of unique Tor Hidden Services (Extended Version). - Alfonso Rodriguez Barredo-Valenzuela; Sergio Pastrana Portillo; Guillermo Suarez-Tangil (CoRR, 2025)