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judymcconville@roadrunner.com 2017-04-28 09:12:27 -07:00
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@ -615,9 +615,9 @@ We can further explore the blockchain by examining the previous transaction refe
==== Exploring Blocks ==== Exploring Blocks
Commands: +getblock+, +getblockhash+ ((("Bitcoin Core", "Bitcoin Core API", "exploring blocks")))((("blocks", "exploring with Bitcoin Core API")))Commands: +getblock+, +getblockhash+
Exploring blocks is similar to exploring transactions. However, blocks can be referenced either by the block _height_ or by the block _hash_. First, let's find a block by its height. In <<cup_of_coffee>>, we saw that Alice's transaction was included in block 277316. ((("blocks", "block height")))((("blocks", "block hash")))Exploring blocks is similar to exploring transactions. However, blocks can be referenced either by the block _height_ or by the block _hash_. First, let's find a block by its height. In <<cup_of_coffee>>, we saw that Alice's transaction was included in block 277316.
We use the +getblockhash+ command, which takes the block height as the parameter and returns the block hash for that block: We use the +getblockhash+ command, which takes the block height as the parameter and returns the block hash for that block: