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Definition: block height

The sequential number of the block in a blockchain. Block height 0 is the first block created, which is also called the "genesis block." See blockchain and crypto glossary.

Bitcoin Block Height
All block explorers list the block numbers that have been mined as in this example from Bitcoin Explorer. As of early 2022, the block height was approximately 725,000, which represents more than 700 million Bitcoin transactions added to the Bitcoin blockchain from 2009 to 2022. See Bitcoin block explorer.