"doing that is increasing the supply of bitcoin units"; I think it's debatable exactly what that means with the word "units" at the end, but it is not debatable that without it, the sentence is flat out wrong. A building doesn't become taller when you measure it in centimeters instead of meters. There is no such thing as "a bitcoin", or "a satoshi". Any more than there is "an inch". It's a measuring unit. You can change measuring units if you like, for all kinds of reasons, but that doesn't change the thing you measure.
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Bitcoin units are those 2,099,999,997,690,000 things that the software creates and verifies the movement of. It's not a unit of measurement.
Correct, but the nuance of moving the decimal requires you to understand the hard cap.
You can move the decimal over infinitely & yes you'll be creating a smaller, smallest denomination - but you'll never reach the hard cap of 21M just as close as you can get to infinity ♾️.
No, there is no such thing as "a bitcoin" or "a satoshi", in the software, in memory on your computer, or in the protocol. This is actually crucial, and not just semantics. If each satoshi were an actual thing, then they could be traced from inputs to outputs. All that exists is an accounting mechanism of (output measured value - input measured value).
Great analogy. 🎯
