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Miner and witness are two very different way to produce blocks. What are blocks and a blockchain? Well it's all mentioned in the article I linked below.

Yes, I was not meaning to confuse the 2, just give her the basics and similarities of the 2 since these terms are often used interchangeably in the Crypto eco system with differences btw them all and the coding/functions etc.

Pleasure.

I have stuff on my page today and most days, that may help you out my friend.