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Author Topic: Why is the blockchain so slow?  (Read 521 times)
lolbitcoins (OP)
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November 26, 2013, 01:15:24 AM
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I am using the official Bitcoin-QT client.  I placed my computer in the DMZ to eliminate the need for port forwarding.  I've been downloading the chain for several days and at this rate it will take a month!

Any special bitcoin.conf tweaks?  I am running Windows and do not have a bitcoin.conf by default.
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The block chain is the main innovation of Bitcoin. It is the first distributed timestamping system.
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miner2002
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November 26, 2013, 01:36:44 AM
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Weird. What is your internet connection? I have 50mb down and it took around 5 hours for mine.
MoonShadow
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November 26, 2013, 01:37:54 AM
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Perhaps a better question is what kind of hardware is on your client computer?

"The powers of financial capitalism had another far-reaching aim, nothing less than to create a world system of financial control in private hands able to dominate the political system of each country and the economy of the world as a whole. This system was to be controlled in a feudalist fashion by the central banks of the world acting in concert, by secret agreements arrived at in frequent meetings and conferences. The apex of the systems was to be the Bank for International Settlements in Basel, Switzerland, a private bank owned and controlled by the world's central banks which were themselves private corporations. Each central bank...sought to dominate its government by its ability to control Treasury loans, to manipulate foreign exchanges, to influence the level of economic activity in the country, and to influence cooperative politicians by subsequent economic rewards in the business world."

- Carroll Quigley, CFR member, mentor to Bill Clinton, from 'Tragedy And Hope'
lolbitcoins (OP)
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November 26, 2013, 02:21:39 AM
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Just a newer i5 laptop w\ integrated graphics.  I am no where near maxing the CPU on this per task mgr.  Internet connection is 25 mbps.
Itun
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November 26, 2013, 02:40:46 AM
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It shouldn't take that long.

I think it's your internet/download speed.
ScripterRon
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November 26, 2013, 03:08:17 AM
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You also have to consider the upload speed of the node you are downloading the blockchain from.  Upload speeds are typically much less than download speeds (my connection is 15 Mbit/s down and 1 Mbit/s up).  Even worse, when I check the network traffic for my Bitcoin-qt client, there always seem to be 2 or 3 nodes fetching the blockchain at the same time from me, so my 1Mbit/s bandwidth gets divided among them.

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November 26, 2013, 03:26:19 AM
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big difficulty makes the blockchain slower if miners cant solve a block
WayTooGosu
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November 26, 2013, 05:01:19 AM
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Why not use their website to handle transactions?
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November 26, 2013, 06:28:55 AM
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Why not use their website to handle transactions?

What do you mean by "their website"?

It seems to me that you are confused with the website "blockchain.info" and the "bitcoin blockchain".


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November 26, 2013, 07:24:26 PM
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Just a newer i5 laptop w\ integrated graphics.  I am no where near maxing the CPU on this per task mgr.  Internet connection is 25 mbps.

Usually, the bottleneck for a fresh download of the blockchain isn't the bandwidth, it's the seek rate of the harddrive.  Since each block must be checked in every way before the client will download the next block, and your CPU isn't hammered, it's probably due to the massive number of disk accesses that both checking the blocks as well as building the index require.  If you were to start with a fairly recent copy of the blockchain, from a torrent for example, and tell the client to "rescan" that blockchain, your delays would likely be almost as bad.

"The powers of financial capitalism had another far-reaching aim, nothing less than to create a world system of financial control in private hands able to dominate the political system of each country and the economy of the world as a whole. This system was to be controlled in a feudalist fashion by the central banks of the world acting in concert, by secret agreements arrived at in frequent meetings and conferences. The apex of the systems was to be the Bank for International Settlements in Basel, Switzerland, a private bank owned and controlled by the world's central banks which were themselves private corporations. Each central bank...sought to dominate its government by its ability to control Treasury loans, to manipulate foreign exchanges, to influence the level of economic activity in the country, and to influence cooperative politicians by subsequent economic rewards in the business world."

- Carroll Quigley, CFR member, mentor to Bill Clinton, from 'Tragedy And Hope'
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