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Hi Sergii,
It turns the model of Trolololo is nothing else than a power law. He wrote the formula, log10(Price)=A*ln(days)-C but this can be rewritten as Price=10^(A*ln(days)-C) or Price=days^(Aln(10))/10^C or price=B*days^n where B=1/10^C and n=A*ln(10).
It is a big deal because a power law first of all looks like a straight line in a log log graph and BTC looks exactly like that. .....

Like I said, just change the file extension to jpg (the server already has it) and put it inside the img brackets and it will show the image:

Clearly it's not arbitrary when LookIntoBitcoin have modified the logarithmic curve, and haven't referenced the fact it's arbitrary or lacks any scientific basis. Probably because it's a mathematical based curve, nothing to do with science. The irony being that a logarithmic curve in itself isn't arbitrary, it's simply how you style it (connect the dots), even if the original remains arbitrary and unchanged.

I reference this as the LookIntoBitcoin version looks more relevant, as factors in the March 2020 low more accurately, as seems to have been adjusted to include it.

If you click on the link within hotpassion's post - two post above yours, then you will see that the update of the graph goes all the way to today's date.