The Very Highly Fraud-Proof Panel Survey: A Sketch

I tried to sketch out the dream tech stack/process for avoiding panel survey fraud, including both fraud by respondents and by panel or research companies. Please scrutinize the hell out of this and let me know what could be improved. Let's start with the theoretical and not worry about specific tools or vendors.

https://www.surveydiem.com/blog/the-very-highly-fraud-proof-panel-survey-a-sketch