Understanding the Bitcoin Transaction Log
As a new Bitcoin user, it’s important to understand how the transaction log is managed on the Bitcoin network. However, I noticed that the mempool.space screen only shows you four blocks: Balance History, Unspent Output, and Transactions. This may seem incomplete, but don’t worry, I’m here to explain what each of these records actually represents.
Balance History
The “Balance History” graph provides a visual representation of the changes in your Bitcoin balance over time. It’s not directly related to your address, so you can ignore it for now. Instead, focus on understanding how transactions are recorded.
Unspent Output
This record shows all the outputs (spends) that your transaction history has created or requested. Think of it as “who” spent something. When you send a transaction, this record will show you who had unspent Bitcoins before the transaction was confirmed and included in the blocks.
Transactions
The Transactions section lists all the individual transactions associated with your address. This includes both incoming (send) and outgoing (spend) transactions. You can see all the different types of transactions, such as payment addresses, scripts, and data, that have been sent or received using your address.
To further illustrate this concept:
- Transaction Creation: When you create a new transaction, mempool.space records it in the Transactions section.
- Transaction Sending
: The sender creates an outgoing transaction from your address, which is then broadcast to the network.
- Block Confirmation and Block Creation: If a transaction is confirmed and included in the blocks, it is recorded in the state history graph, as mentioned earlier.
- Bitcoin Spending or Receiving: When you spend your Bitcoins using a script (like “txout”), mempool.space records outgoing transactions.
In short:
- The Balance History graph shows balance changes over time, but is not directly linked to your address.
- The Unspent Output log lists all outputs that have been created or claimed in your transaction history.
- The Transactions section lists all individual transactions associated with your address, including incoming and outgoing transactions.
By understanding how these logs work, you will be better equipped to manage your Bitcoin wallet and make informed decisions about spending and storing your funds.