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I have over 1400 small transactions in my wallet that add up to a little over 0.2 BTC. I am trying to send them, but keep getting a transaction too large error. I have tried to set a custom transaction fee, but am unable to still send. I am using Bitcoin core v0.10 on Windows. I have looked at this thread but am still unable to find a solution.

How can I combine all the tiny amounts I've received to minimise transaction fees, and do I need to?

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    Does it say 'Transaction too large' or 'Transaction too large for fee policy?' They're different errors.
    – Nick ODell
    Apr 30, 2015 at 0:30
  • It says just says "Transaction too large"
    – bob
    Apr 30, 2015 at 2:10

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Your scriptSig is too big! It is limited to 200 kbytes, and you've got 1400 inputs @ 0.2kbyte (best case scenario): 1400x 200 = 280kbyte.

Try using half the inputs (preferably newer inputs) to cut the scriptSig down in size.

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    Why newer inputs? Wouldn't older inputs have a higher priority?
    – Nick ODell
    Apr 30, 2015 at 5:08
  • @NickODell Yep, just "picking the better half" so to speak
    – Wizard Of Ozzie
    Apr 30, 2015 at 5:17
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    @WizardOfOzzie The older ones are the better ones.
    – Pieter Wuille
    Apr 30, 2015 at 6:01
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    @PieterWuille I personally would try sweeping up the worse (newer) ones to hopefully comprise a fee-free Tx. I'm not disputing the priority being inversely proportional to age; it's more a difference in opinion of how to handle dust, but tbh, I'll defer to you here!
    – Wizard Of Ozzie
    Apr 30, 2015 at 6:46
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    Priority is proportional to age, not inversely. And every output spent has its own scriptSig in the txin, which is around 105 bytes total per output spent.
    – Pieter Wuille
    Apr 30, 2015 at 10:19

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