I am new to blockchain discipline and I learn one article.
On this article of Authorization chapter, it’s mentioned that “For a public blockchain, the choice so as to add a transaction to the chain is made by consensus. Which means that the vast majority of “nodes” (or computer systems within the community) should agree that the transaction is legitimate.”
However, I am unable to think about the settlement scenario by nodes.
How do all nodes agree on that new block ought to be added to blockchain ? Do nodes should agree or disagree manually like by clicking a “Agree!!” or “Disagree!!” button?
Additionally, does not it take soooooo very long time? I imply that there are tons nodes within the community and to collect all nodes settlement, it’s going to be sooooo very long time I suppose.