Unspent Transaction Output (UTXO) - BTC type Crypto Currencies

Modified on Thu, 04 Jan 2024 at 02:56 PM

With BTC type crypto currencies (BTC, LTC, BCH...) the transition itself is compromised of inputs and outputs. Inputs are available coins to spend and outputs are the recipients of the transaction. The thing with BTC type transactions is, that you always have to spend whole available amount in the used inputs.


Simplified example:


- You received 1.0 BTC to your wallet.

- Now you have 1 available input in value of 1.0 BTC to be spend.

- You want to send 0.1 BTC to a recipient.

- Actual BTC transaction will have 1 unspent/available input of 1.0 BTC and TWO outputs. One output for 0.1BTC to the recipient and 0.9 BTC (minus fees) back to your own wallet - UTXO.


With BC Vault from version 2.0 you have an option to change the address of UTXO, so all the unspent coins will instead to your source wallet (by default) go to another wallet.


To do that simply open "Advanced options" on the Send screen and enable "Use different return address" option. You will then be able to type in wallet address that will receive all UTXO funds of this particular transaction.

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