The Bitcoin halving is a pre-programmed occurrence after every four years or the mining of every 210,000 blocks. During the halving event, the reward for mining a new block of Bitcoin is reduced by half.
Bitcoin has undergone halving three times since its launch in 2009. The first halving occurred on Nov. 28, 2012, when the block reward was reduced from 50 $BTC to 25 $BTC. The second Bitcoin halving date occurred on July 9, 2016, slashing the reward to 12.5 $BTC. The third Bitcoin halving event happened on May 11, 2020, halving the reward to 6.25 $BTC.
The last Bitcoin halving, which was the fourth, occurred on April 20, 2024, at block height 840,000, when the block reward was cut from 6.25 $BTC to 3.125 $BTC. The Bitcoin halving is scheduled in block height, not date, and occurs every 210,000 blocks. Based on this, the next halving that would take place in 2028 is expected to occur at block 1,050,000.
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