Your stubborance or pedantry is not my concern. You have nothing to grant me. I require no grant of you. You offer me nothing, for you display nothing I lack. You already provide me with what I crave: my own self amusement; so thank you.

You can read the paper and understand the principles it is based on, which is rooted on balancing computational asymmetry amongst other concerns across a network of computers. On the most simple level, if you are aware of hashcash and sybil resistance you should be able to figure it out.

If you're still confused: then answer yourself the question why does the bitcoin algorithm adjust to computational power?