Trading Notes | Bitcoin Halving Timeline
① Bitcoin halvings are triggered by block height: the reward is halved every 210,000 blocks. At an average of 10 minutes per block, this works out to roughly once every four years.
② The first Bitcoin halving took place on November 28, 2012, at block height 210,000. The block reward fell from 50 coins to 25.
③ Dates shown by online halving countdowns are estimates and may shift by a few days depending on the actual block production rate.
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