I could knock up a block-chain from scratch in under three hours and if you look on Youtube then someone gives an example of the
stub code that is only about 50 lines long.

Now to turn that into my "Own" coin, deploy and test on a network it would take me about .........................
......................... five years at a guess after nicking part of the encryption code and a few other bits.

Running a macro inside Microsoft's Excel does not mean you programmed the darn thing, your just a user, not
even a script kiddie writing VBA but if your just after a alt-coin then best check out ETH and pay them gas to host it for you.