Secure Text Entry using a Virtual Radial Keyboard with Dynamically Resized Keys and Non-Intrusive Randomization

Yuxuan Huang , Qiao Jin , Tongyu Nie , Victoria Interrante , Evan Suma Rosenberg
arXiv preprint 2026 preprint
XR & Immersive Systems Privacy, Safety & Ethics Systems & Interfaces User Studies
PDF arXiv

Summary

A radial VR keyboard combines controller rotation, expanding keys, and layout randomization to reduce the predictability of keystrokes. A study with 30 participants found greater resistance to inference attacks, with tradeoffs in typing speed and workload.