Bitcoin Halving Explained Simple - Does it Affect Bitcoin's Price?
Every 4 years on average (210K blocks) the reward granted to Bitcoin miners for adding a block to the blockchain is cut in half. The Bitcoin halving was designed by Satoshi Nakamoto to keep Bitcoin's inflation in check.
Since the halving basically cuts the supply of new Bitcoins in half, many believe this event will have a dramatic effect on Bitcoin's price.
That's the Bitcoin halving in a nutshell.