Block Height

Block Height
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Key Takeaways

  • Block height denotes a block's position in a blockchain, counted by preceding confirmed blocks.
  • Bitcoin halvings occur at specific block heights.
  • The 2024 Bitcoin halving will occur at a block height of 840,000.

Block 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.

How It’s Counted

If the current Bitcoin block height was 800,000, that would mean there were 799,999 blocks before it.

Halving & Block Height

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.

Article Sources

BuyBitcoinWorldWide writers are subject-matter experts and base their articles on firsthand information, like interviews with experts, white papers or original studies and experience. We also use trusted research and studies from other well-known sources. You can learn more about our editorial guidelines.

  1. Chapter 7. The Blockchain - O'Reilly,
  2. How is a block’s height and depth used in the Bitcoin blockchain? - Quora,

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