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Author Topic: Merged Mining  (Read 1302 times)
Kontakt
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December 13, 2012, 08:29:03 PM
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What is the connection between the Namecoin and Bitcoin blocks?
I understand that the midstate for the Nmc is used as the coinbase for the Btc, but why is it that when someone mines a Btc block, they generally get a Nmc block within 10 minutes? There's got to be some connotation I don't comprehend. Can someone explain?
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crazyates
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December 13, 2012, 08:37:16 PM
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why is it that when someone mines a Btc block, they generally get a Nmc block within 10 minutes? There's got to be some connotation I don't comprehend. Can someone explain?

IIRC, this question has come up before, and its usually just coincidence.

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Kontakt
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December 13, 2012, 08:40:30 PM
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https://bitminter.com/blocks?commodity=all

It's far, far too frequent to be coincidence. I went back 15 pages, and every Btc block was immediately followed by a Nmc block by the same miner.
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December 14, 2012, 01:09:50 AM
 #4

https://bitminter.com/blocks?commodity=all

It's far, far too frequent to be coincidence. I went back 15 pages, and every Btc block was immediately followed by a Nmc block by the same miner.

Namecoin is based on bitcoin.  When you find a bitcoin, if you are doing merged mining, you *will* find a namecoin block.  The 10 minutes must be how long it takes for it to show up.

M

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maqifrnswa
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December 14, 2012, 10:54:13 PM
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Namecoin is based on bitcoin.  When you find a bitcoin, if you are doing merged mining, you *will* find a namecoin block.  The 10 minutes must be how long it takes for it to show up.

This

When merge mining, every bitcoin block will find a namecoin block. But not every valid namecoin block will be a bitcoin block (when merge mining and as long as bitcoin difficulty > namecoin diff)
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December 16, 2012, 02:46:29 PM
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Well if the namecoin and bitcoin difficulty was the same, it would be like 100% chance of finding a block from the other network after finding a block on the first network, unless my understanding is incorrect.
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December 16, 2012, 02:51:00 PM
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Well if the namecoin and bitcoin difficulty was the same, it would be like 100% chance of finding a block from the other network after finding a block on the first network, unless my understanding is incorrect.

Close.  It won't be after, it will be during.  When you find a bitcoin block, it'll be a namecoin block.  At same difficulty, the opposite will apply as well.

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