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Author Topic: Multi-signature address never receives bitcoins  (Read 4849 times)
monsterer
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November 15, 2013, 10:40:12 AM
 #41

I guess that transmitting redeemScript with the transaction doesn't expose any potential vulnerability?

No, it doesn't, because as I said, it gets transmitted in the transaction's hex data anyway.

Congrats on finally succeeding in signing a multisig transaction. I know how happy I was the first time I received "complete: true" Smiley.

Quick follow up question - how do you go about collecting unspent outputs from multi-sig addresses to use in future transactions?
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Bitalo_Maciej
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November 15, 2013, 01:38:00 PM
 #42

Didn't you already found out how to do that earlier?

https://bitcointalk.org/index.php?topic=287063.msg3435441#msg3435441

In any case, we store unspent outputs for every address in a database, along with information needed to spend it: txid, vout, value. For this we monitor the blockchain continuously add check for transactions involving addresses that we care about.

Web wallets get hacked all the time. Computer wallets get hacked all the time as well.
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monsterer
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November 17, 2013, 11:08:23 AM
 #43

Didn't you already found out how to do that earlier?

https://bitcointalk.org/index.php?topic=287063.msg3435441#msg3435441

In any case, we store unspent outputs for every address in a database, along with information needed to spend it: txid, vout, value. For this we monitor the blockchain continuously add check for transactions involving addresses that we care about.

I just wanted to double check what options I had, but I see that incrementally storing them and then revalidating is pretty much the only choice, bar a blockchain rescan at each withdrawal Smiley
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