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Author Topic: Transaction Size  (Read 1913 times)
Alex1993
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February 11, 2016, 01:41:30 PM
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Hi guys, I've a question about this transaction https://blockchain.info/tx/3d7b2e460cdc5a70a426859e68722f9e591f40f49aed0a4c53274e3278020460

Why the transaction size is so big (8331 bytes!!!) when I see that other transactions are only 2-300 bytes? I've sent the money with the Blockchain's App for Android
I think that is because of the size that the transaction is still unconfirmed after 4+ hours, isn't it?  Undecided

Thanks in advance!  Smiley
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pedrog
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February 11, 2016, 01:46:58 PM
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It has a shitload of inputs, check it with Advanced mode on:

https://blockchain.info/tx/3d7b2e460cdc5a70a426859e68722f9e591f40f49aed0a4c53274e3278020460?show_adv=true

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February 11, 2016, 01:47:33 PM
 #3

the tx have a big size because it is spending a lot of inputs. it's still unconfirmed because you didn't pay the recommended fee.

lurking.
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February 11, 2016, 01:50:22 PM
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As others have already said, its because of the high number of inputs.Its roughly "148 * number_of_inputs + 34 * number_of_outputs + 10" To know what fee is recommended per byte, visit: https://bitcoinfees.21.co/
Alex1993
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February 11, 2016, 01:55:35 PM
 #5

Ah ok, so my input is made by all the small transactions that I received!!! I didn't know this...so I only have to wait before someone includes this transaction in a block...  Embarrassed
Then is better to receive one bigger transaction than a lot of small transaction!

Thanks for the reply!  Smiley
shorena
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February 11, 2016, 02:49:44 PM
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Ah ok, so my input is made by all the small transactions that I received!!! I didn't know this...so I only have to wait before someone includes this transaction in a block...  Embarrassed
Then is better to receive one bigger transaction than a lot of small transaction!

Thanks for the reply!  Smiley

Which wallet are you using? We might be able to tell you how to double spend your TX with a higher fee or if its better to wait to get your coins back.

Alex1993
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February 11, 2016, 03:06:55 PM
 #7

I've created my wallet on Blockchain site...but now I have only 100k satoshis, so I think I can't make a double spend without money  Grin
The only thing I can do is wait  Cheesy
shorena
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February 11, 2016, 03:17:42 PM
 #8

I've created my wallet on Blockchain site...but now I have only 100k satoshis, so I think I can't make a double spend without money  Grin
The only thing I can do is wait  Cheesy

Blockchain site? Blockchain.info? If so get used to refering to them as blockchain.info, because they are not the blockchain. They will return your coins after 2-3 days, double spend makes no sense in this case. Just wait.

Alex1993
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February 11, 2016, 03:23:47 PM
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Yes, blockchain.info  Cheesy  I'll just wait...do you think there is no chance that someone includes the transaction in a block?  Huh
pedrog
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February 11, 2016, 03:26:45 PM
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Yes, blockchain.info  Cheesy  I'll just wait...do you think there is no chance that someone includes the transaction in a block?  Huh

Doesn't look good: https://blockchain.info/unconfirmed-transactions

shorena
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February 11, 2016, 05:58:51 PM
 #11

Yes, blockchain.info  Cheesy  I'll just wait...do you think there is no chance that someone includes the transaction in a block?  Huh

Doesn't look good: https://blockchain.info/unconfirmed-transactions

1.2 Satoshi per byte looks really bad IMHO.

According to "cointape"[1] you are among ~10000 other unconfirmed TX and with 1.2 you are on the low end. The picture is similar on my own node.




[1] they have a new url https://bitcoinfees.21.co/

Alex1993
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February 11, 2016, 06:40:39 PM
 #12

Next time I will not use the App to send bitcoins...it sets automatically 10k satoshi as a fee and it seems that I can't adjust it  Cry
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February 12, 2016, 12:25:04 AM
 #13

Next time I will not use the App to send bitcoins...it sets automatically 10k satoshi as a fee and it seems that I can't adjust it  Cry

You can adjust it by going to custom send and set the fee by yourself. I knew that blockchain.info automatically sets the recommended fee. The only problem you've had is that transaction have too many inputs.

shorena
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February 12, 2016, 07:01:29 AM
 #14

Next time I will not use the App to send bitcoins...it sets automatically 10k satoshi as a fee and it seems that I can't adjust it  Cry

You can adjust it by going to custom send and set the fee by yourself. I knew that blockchain.info automatically sets the recommended fee. The only problem you've had is that transaction have too many inputs.

Thats exactly the problem. There is no more recommended fee that is independant of the TX size in bytes.

Alex1993
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February 12, 2016, 08:53:37 AM
 #15

The transaction has now 66 confirmations, I didn't expect that  Grin
Anyway, on the website (blockchain.info) there is a setting that adds 10k satoshi per KB, on the android app I can't find it...so the next time I'll use the website  Wink

Thanks for the help guys!!!  Cheesy
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February 12, 2016, 10:01:06 AM
 #16

The transaction has now 66 confirmations, I didn't expect that  Grin
Anyway, on the website (blockchain.info) there is a setting that adds 10k satoshi per KB, on the android app I can't find it...so the next time I'll use the website  Wink

Thanks for the help guys!!!  Cheesy

instead blindly of setting the fee to 10k sat per KB everytime you send some btc you should take a look at this site shorena linked above and set the fee manually. the recomended fee isn't fixed at 10k satoshi per KB. for example right now the recommended fee is around 20K sat per KB.

lurking.
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