This is an oversimplified explaination of mining.
Enjoy!
Reference
https://en.bitcoin.it/wiki/Mining
Sundayselfies is a fantastic way to show love and give to the people you care about in Steemit.
It's a weekly selfie challenge that spans the entire week. It opens on Sunday and closes on Saturday.
https://steemit.com/photography/@tojukaka/sundayselfies-10-freestyle