This 10 minute video for this post is a clip from the Blockware Intelligence podcast 02 September 2022:

Greg Foss: Doing the Math on Bitcoin | Blockware Podcast 📺
#65753
https://www.youtube.com/watch?v=YPBTMZlHrSw

And a one minute clip from the same video is in this Tweet:

" US credit is a junk credit"
#btc
@FossGregfoss

[Video clip]

https://twitter.com/MuatafaGMI/status/1570195317496369153 [Nitter]