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The Bottom Line
A Bitcoin halving cuts the rate at which new Bitcoins are released into circulation in half. The rewards system is expected to continue until 2140, when the proposed limit of 21 million bitcoin is theoretically reached.

In 2009, the reward for each block in the chain mined was 50 bitcoins. After the first halving, it was 25, 12.5, and then 6.25 bitcoins on May 11, 2020. The reward was reduced to 3.125 when the latest halving occurred on April 19, 2024.

Bitcoin halving has significant implications for its network. For miners, the halving event may result in consolidation in their ranks as individual miners and small outfits drop out of the mining ecosystem or are taken over by larger players.