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A comment on Is Blockchain Really the Killer App?. Parent comment

Re:Is Blockchain Really the Killer App? by TylerE on Monday February 23, 2015 @10:42PM (#9098560)
> Supposing that sidechains can be mined simultaneously with the bitcoin at no additional cost

Which is obviously not true. Extra storage and bandwidth at the very least.

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Re:Is Blockchain Really the Killer App? by fryguy on Wednesday February 25, 2015 @04:46PM (#9109889)
Hash rate is independent from bandwidth/storage. Assuming you can do N hashes/s, you can still do N hashes/s with merged mining of multiple sidecoins.

Also, presumably any bandwidth incurred by a sidecoin would have been incurred by bitcoin if the sidecoin didn't exist, so total bandwidth/storage would be similar.

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