Key TakeawaysBlock height is a position in a blockchain, counted by the number of confirmed blocks before it.
The most common use of block height is to refer to the current block height of Bitcoin.
If the current Bitcoin block height was 800,000, that would mean there were 799,999 blocks before it.
Block height is commonly used in regards to the halving.
This is because the block subsidy halving occurs based on block height and not date.
For example, the 2024 Bitcoin halving will occur at block height of 840,000.
The current Bitcoin block height is 840,000!
I sent you a transaction two years ago. It was sent at block height 210,000.
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