The Bitcoin block mining reward halves every 210,000 blocks, the coin reward will decrease from 12.5 to 6.25 coins.
Next Halving will happen on 04 Jun 2020 21:37:47
A programmed feature in the code, the bitcoin subsidy controls the supply of new bitcoins that are released into the market with each new block. When bitcoin first launched, a miner could earn 50 BTC for sealing a block on the blockchain ledger. After 210,000 blocks, or approximately four years, however, the reward was cut in half to 25. And in the year 2017, as block 420,000 was sealed, miners was left with a reward of 12.5 bitcoin.
This is the code that defines the process of havling
YEAH!! Get it while it's hot!!