How does Bitcoin mining work?

[Deniedstingray]

So i have seen posts and articles about bitcoin mining and i am curious. How does it work?

Like, what are the computers actually doing to earn money? Makes no sense to me.
Can someone explain?

 

[Dark Lord of Tech]

[video="https/www.youtube.com/watch?v=s4g1XFU8Gto"][/video]

 

[Rogue Leader]

Easily the best link out there to describe it

https/www.bitcoinmining.com/

 

[skittle]

Currenty Cost more in electricity than you make mining bitcoin