Too Long; Didn't Read
In around 90 days from now on 8th May, Bitcoin’s mining reward will be cut in half. Satoshi Nakamoto programmed the Bitcoin network protocol so that a halving would take place every four years, or every 210,000 blocks, and cut miner's rewards in half. The idea being that this makes producing more coins more difficult. Currently, there's approximately 18 million Bitcoin in circulation out of a total of 21 million. But, thanks to the halving protocol, this limit won't be reached in the near future.