"Do you think that a free-market worldwide currency would be necessarily based on precious metals or is there a future for digital anonymous cash?"

(Does anybody know when this interview is from? 2008? 2004? 2002? Earlier? Thiel references an upcoming election at the beginning.)

https://youtu.be/C0R9kx-qsvI?t=1854

I think it's ~2008 because the Seasteading institute is mentioned

Oh nice, he mentions having founded the Thiel Fellowship just a few weeks prior. I think that means this was in ~2010.