# Typical Transaction Example

In a typical Bitcoin transaction, the structure is straightforward yet effective. As noted in the Bitcoin Whitepaper, "Normally there will be either a single input from a larger previous transaction or multiple inputs combining smaller amounts, and at most two outputs: one for the payment, and one returning the change, if any, back to the sender."

#### Example Scenario

Consider a scenario where Alice wants to send 0.5 Bitcoin to Bob. If Alice has a single input of 1 Bitcoin from a previous transaction, she can create a transaction with the following structure:

* **Input**: 1 Bitcoin (from Alice's previous transaction)
* **Output 1**: 0.5 Bitcoin (to Bob)
* **Output 2**: 0.5 Bitcoin (change back to Alice)

In this case, **Alice's wallet automatically generates the second output** to return the excess amount back to her. Since Alice's wallet **does not have an exact amount of 0.5 Bitcoin available**, her wallet will **create the change output accordingly**, ensuring that the transaction remains valid and that she does not lose any funds in the process.


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