please confirm bitcoin explanation for the problem?

What do you mean by this
please confirm bitcoin explanation for the problem? I am confused.

If you are asking why it is needed to confirm the transactions in bitcoin, then read this:
https://en.bitcoin.it/wiki/Confirmation It will help you with your question if this is what you are trying to ask here, I am just confused about this question, really, "
please confirm bitcoin explanation for the problem? "
