Need Help Understanding Crypto Currency

Yes if you google this you can learn a lot. I would recommend reading the information about this and watch the documentary on Netflix. I found that it was helpful.

Also would be useful to find out about the past of Bitcoin, like who created it and there method of approving trades.

It is also impracticable to use every day as it can only approve 7 or 8 trades each second. VISA can do thousands a second.