PE2: How fast do dollars grow? (II)

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This is the second video installment from Porkopolis Economics, covering macro and money, from the creator of the Crypto Voices podcast.

NOTE, the compound annual growth formula is incorrect in the video: the "1 OVER" is cut off from the exponent. The correct formula is as follows:
CAGR = n × [(fv ÷ pv) ^ (1 ÷ (n × t)) – 1]

Contents
00:00 Intro
00:40 Supply and demand
03:59 Compound annual growth rates
10:28 Doubling time
17:05 Right axis time
20:57 Do you need other datasets?
25:17 How to verify the trend is exponential?

Here we cover how much physical cash and coin - these things we call dollars - exist around the world. This covers a 105 year period, from a time when the dollar was redeemable and convertible into gold, until today, when it is not.

Also, how do you think Central Bank Digital Currencies (CBDCs) are going to play into this situation? Why is physical cash still growing so quickly, if it is not "that important" today?

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Show content is not investment or financial advice in any way.