process exists is to protect privacy. The change is not available to spend until the bitcoin transaction gets confirmed on the bitcoin network (funds get delivered to the intended address). When you send funds from your bitcoin wallet, the specified amount of funds are sent to the intended bitcoin address and the remainder of the funds being stored in the sending bitcoin address are sent to what is referred to as a "change" bitcoin address. Payment to address 2 (must be change minus the fee that you want to pay). You can send bitcoins to the same address you are sending from, if you create a raw transaction manually, or if you use a wallet that does not create a new change address each time a transaction is made. Consider the example of taking a 20 bill out of your wallet to pay for a 5 cup of coffee. Note that it will take longer for bitcoin transactions with unconfirmed inputs to get confirmed on the bitcoin network regardless of the fee included with the transaction.

Client - Sending bitcoins to same address - Bitcoin Stack Exchange How does sending bitcoin to the same address twice, sending Is it possible to transfer BTC between addresses in the same

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In order to avoid this, each transaction must have a minimum of two explicit payments, and one implicit payment: Input amount, payment to address 1 (must be less than input). You might be interested in Bitcoin if you like cryptography, distributed peer-to-peer systems, or economics. You would give the 20 to the cashier, and the cashier would give you back the. If on the other had a different address is used for change, an independent observer cannot determine which of the two amounts was change and which was the payment. To change this setting in your wallet, go to Settings, then Advanced to turn on Use Unconfirmed Funds. You can choose to spend your change before your original bitcoin transaction confirms, although it is not recommended. If you consider that the outputs of a transaction with change, where one of the outputs points back to itself, you will immediately be able to determine how much you paid, and factually, that you paid that amount to someone else, keeping the change. I cannot emphasize this enough - the difference is sent to the miner as a mining fee. The input must be explicitly greater than the sum of payment 1 and 2, and anything left over is implicitly the miners fee. However what I suspect you are doing is the classic mistake of thinking that the difference between what you are paying to the other address and what was in the originating address is automatically sent back to you. You have in effect not explicitly told the transaction what to do with the difference and it is therefore assumed that this is a fee that you are paying, and is collected by the miner who mines the block containing your transaction.

Bitcoin sending to same address

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