From texting friends on Discord to planning that never-happening Goa vacation on a video call, we cannot imagine our life without real-time communication. It has become an inseparable part of how we as humans communicate with each other. The COVID-19 pandemic and the remote-work culture have only accelerated the use of real-time communication applications like Zoom. Nonetheless, the notorious data-collecting practices of centralized communication platforms raise concerns about user privacy. I...