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Update 05_3_Funding_a_Transaction_with_CPFP.md

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fixed minor typo
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05_3_Funding_a_Transaction_with_CPFP.md
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@ -12,7 +12,7 @@ RBF was all about the sender. He messed up and needed to increase the fee, or he
Basically, the idea of CPFP is that a recipient has a transaction that hasn't been confimed in a block that he wants to spend. So, he includes that unconfirmed transaction in a new transaction and pays a high-enough fee to encourage a miner to include both the original (parent) transaction and the new (child) transaction in a block. As a result, the parent and child transactions clear simultaneously. Basically, the idea of CPFP is that a recipient has a transaction that hasn't been confimed in a block that he wants to spend. So, he includes that unconfirmed transaction in a new transaction and pays a high-enough fee to encourage a miner to include both the original (parent) transaction and the new (child) transaction in a block. As a result, the parent and child transactions clear simultaneously.
It should be noted that CPFP is not a new protocol feature, like RBF. It's just a new incentivization scheme that can be used for transaction selection by miners. This also means that it's not as reliable as a protocol change like RBF: there might be reaosns that the parent is never put into a block, and that will prevent the child from ever bring put into a block. It should be noted that CPFP is not a new protocol feature, like RBF. It's just a new incentivization scheme that can be used for transaction selection by miners. This also means that it's not as reliable as a protocol change like RBF: there might be reasons that the parent is never put into a block, and that will prevent the child from ever bring put into a block.
## Spend Unconfirmed UTXOs ## Spend Unconfirmed UTXOs