December 2018
Beginner to intermediate
564 pages
17h 34m
English
Content preview from Blockchain Developer's Guide
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Block
A block is the smallest element of a blockchain; the first block is called the genesis block. Each block contains batches of hashed and encoded transactions. The blocks are stored in a Merkle tree formation. Every block includes the hash of the previous block in the chain that links all blocks to one another. In Bitcoin, a block contains more than 500 transactions on average. The average size of a block is around 1 MB. A block is comprised of a header and a list of transactions.
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