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@ -22,13 +22,13 @@ blocks stacked on top of each other results in the use of terms such as
Each block
within the blockchain is identified by a hash, generated using the
SHA256 cryptographic hash algorithm on the header of the block. Each
block also commits to the previous block, known as the _parent_ block,
block also commits to the previous block, known as ((("parent blocks")))the _parent_ block,
through the "previous block hash" field in the block header.
The sequence of hashes linking each block to its parent creates a chain
going back all the way to the first block ever created, known as the
going back all the way to the first block ever created, known ((("genesis block")))as the
_genesis block_.
Although a block has just one parent, it can have multiple
Although a block has just one parent, it can have ((("child blocks")))multiple
children. Each of the children commits to the same parent block.
Multiple children arise during a blockchain "fork," a temporary
situation that can occur when different blocks are discovered almost