<p>It works just fine.  "Spent" here just means that a second transaction has been broadcast whose input is an output of the first transaction.  You don't have to wait for confirmation in order to do that, and you can continue the process with arbitrarily long chains.</p>

<p>However, the second transaction can't be confirmed until after the first one is confirmed.  (Or, they can both be confirmed in the same block.)</p>

CC BY-SA 3.0
2018-01-07T16:35:14.557Z
2018-01-07T16:35:14.557Z
Nate Eldredge
<p>This transaction has been stuck for a few days:</p>

<p>af660c5eafe582f22254c9778d18a628d1d2fdea812e983713379458b7c2c9df</p>

<p><a href="https://blockchain.info/tx/af660c5eafe582f22254c9778d18a628d1d2fdea812e983713379458b7c2c9df" rel="nofollow noreferrer">https://blockchain.info/tx/af660c5eafe582f22254c9778d18a628d1d2fdea812e983713379458b7c2c9df</a></p>

<p>How is it possible that one of the outputs is spent if the transaction is unconfirmed?</p>

<unconfirmed-transactions>
How can the output of an unconfirmed transaction be spent?
José D.
# How can the output of an unconfirmed transaction be spent?

(Asked by: username_0 on 2018-01-07)

This transaction has been stuck for a few days:

af660c5eafe582f22254c9778d18a628d1d2fdea812e983713379458b7c2c9df

<https://blockchain.info/tx/af660c5eafe582f22254c9778d18a628d1d2fdea812e983713379458b7c2c9df>

How is it possible that one of the outputs is spent if the transaction is unconfirmed?

**Tags:** unconfirmed-transactions


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## 1 answers

### Answer by username_1 on 2018-01-07. Score: 1

It works just fine. "Spent" here just means that a second transaction has been broadcast whose input is an output of the first transaction. You don't have to wait for confirmation in order to do that, and you can continue the process with arbitrarily long chains.

However, the second transaction can't be confirmed until after the first one is confirmed. (Or, they can both be confirmed in the same block.)


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