March 2018
Beginner to intermediate
656 pages
20h 9m
English
Content preview from Mastering Blockchain - Second Edition
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The structure of a block
The following table shows the structure of a block:
|
Field |
Size |
Description |
|
Block size |
4 bytes |
This is the size of the block. |
|
Block header |
80 bytes |
This includes fields from the block header described in the next section. |
|
Transaction counter |
Variable |
This field contains the total number of transactions in the block, including the coinbase transaction. Size ranges from 1-9 bytes |
|
Transactions |
Variable |
All transactions in the block. |
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