Proof of work in Blockchain - What's it?

Here, I have explained what exactly is the proof of work in blockchain.

[ShadowGAMER-fbpv]

I spend hours watching other youtube videos to know about Proof of Work.I didn't understand a single thing.But when i watched your video, i understood everything that too in just 4 minutes.Thanks for this video

[Gamechanger..]

Was waiting for this topic from u sir... Again too much to gain in just 4 mins

[bugambus]

So the block/code puzzle is not solved by a miner/person its solevd by a comupter and only a computer and can it be any type of comupter