In Bitcoin, halving is when block rewards for mining are cut in half. Halving happens at regular intervals based on the Bitcoin protocol. It is a way of slowing down block rewards. It was implemented by Satoshi Nakamoto to avoid inflation rate. But what will really happen when rewards gets half once again? Check this blog prediction about bitcoin halving. https://blog.kucoin.com/what-is-bitcoin-halving-procedure-and-predictions-sk-st
For those miners who are determined to acquire BTC, halving won't deter them.