Research Article
The Applications of Blockchain in the Covert Communication
Table 4
Transaction structure in Bitcoin.
| | Type | Name | Description | Length |
| | Value | Version | Define the rules for this transaction | 4 bytes | | Value | Input counter | The number of inputs included | 1-9 bytes | | UTXO | Input | One or more transaction inputs | Uncertain | | Value | Output counter | The number of inputs included | 1-9 bytes | | UTXO | Output | One or more transaction outputs | Uncertain | | Time | Locktime | A block number or UNIX timestamp | 4 bytes |
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