Block Height
Block height is a block's numerical position in a blockchain sequence measured from the chain's beginning.
✦ Key Insight
It helps users locate transactions, compare confirmations, and reference historical blockchain states.
✕ Common Misconceptions
Different blockchains count and label blocks differently, and competing temporary branches can complicate interpretation.
Detailed Explanation
In Practice
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Block Explorer
A block explorer is a search interface for viewing transactions, addresses, blocks, tokens, and other data recorded on a blockchain.
Blockchain
A shared, append-only record of transactions maintained by many independent computers at once.
Confirmation
A confirmation indicates that a transaction has been included in a block and has gained additional blockchain history after it.
Block
A block is a data structure that groups validated blockchain transactions or state changes and links them into the chain's history.
Finality
Finality is the point at which a blockchain transaction is considered effectively or cryptographically irreversible under that network's consensus rules.