Questions tagged [synchronization]

This tag should be used for questions about synchronizing a Bitcoin client. This is the process of bringing a Bitcoin client up to date with the blockchain.

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2answers
225 views

Repeated error synchronizing Bitcoin client

I've tried unsuccessfully 2 times to download the application from this site https://www.weusecoins.com/en/getting-started. Last failure stopped at around 16,000 blocks. I am trying to get setup with ...
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1answer
2k views

How does Ripple synchronizes its ledger? [closed]

Bitcoin decides on a global clock by the blockchain - every mined block is another tick of that clock. In Ripple, there is a global ledger that keeps advancing in time - the ledger number keeps ...
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3answers
4k views

How to increase the speed of synchronisation?

What ways are there to increase the speed of synchronisation of the network, assuming the use of the main Bitcoin client?
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2answers
993 views

My mate received and then sent a Bitcoin transaction before his wallet was synchronised and it worked perfectly

His Bitcoin wallet was only 1% synchronized with the network and yet he was able to receive and send bitcoins without any problems?! What are the implications / ramifications of this? What does this ...
1
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1answer
306 views

Synchronising with network

I'm completely new to Bitcoin but finding it all very interesting so far! My Bitcoin-qt wallet has been synchronising for literally days now (2 days actually) but it is getting closer, on 91% now. My ...
2
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0answers
373 views

Bitcoin: transaction completed, bitcoins never arrived [duplicate]

I'm currently mining some bitcoins during normal computer use. I am using windows. The wallet is Bitcoin, as a miner I am using GUIMiner and pooled mining. I am happy with the way everything works, ...
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0answers
66 views

Why does it take so long to initially sync with my bitcoin wallet? [duplicate]

I have downloaded the bitcoin software and I am starting it up for the first time. However, it begins to download the entire transaction history, which takes a huge amount of time (for some reason). ...
1
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1answer
1k views

How much data is transferred using Andreas Schildbach's Bitcoin Wallet Android app?

After installing the app, a message appeared on my phone saying there were 83 weeks of data to synchronise. How much data is involved in this process? I don't want to exceed the data limit for my ...
3
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2answers
3k views

I sent bitcoins to my wallet before it had synced. is there ANY way i can get my coins back? [duplicate]

I downloaded Bitcoin. qt and started the sync (which was going to take about 6 days UGH) so about 4 days into it i tried to open the app and Now the app shows "error loading blkindex.dat" So i cannot ...
2
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1answer
204 views

Will the block data saved or discarded after synchronization? Does it get removed when uninstalling?

When I first installed the program I noticed that it was synchronising with the network, and whilst it was doing so it was downloading blocks. I wanted to know if these blocks will be saved on my hard ...
9
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1answer
285 views

Block messages with transactions hashes instead of full transactions

When a bitcoin node has the blockchain in sync, most transactions in incoming block messages may have been already received as standalone tx messages before. With a block message with only ...
5
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1answer
2k views

Can I synchronize the blockchain on one computer then transfer the files to another? [duplicate]

Possible Duplicate: Would it be possible to provide a downloadable blockchain that is updated and verified by a mass of people? If I install and synchronize the official Bitcoin wallet, can I ...
16
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4answers
5k views

Cannot access my bitcoins because my wallet is still synchronising. What can I do to spend them immediately?

I have purchased bitcoins and have downloaded Bitcoin-QT, but my wallet is taking forever to synchronize to the network. I can't access my wallet because it is still in the sync process. I have the ...
2
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0answers
101 views

Install a pre-synchronized blockchain [duplicate]

Possible Duplicate: Can I download the whole block chain from somewhere? My Bitcoin client has been "synchronizing" for a really ridiculously long time making the computer leggy. According to ...
9
votes
1answer
828 views

Does the synced blockchain always grow in size?

Every time the Bitcoin-Qt is launched, the blockchain syncs to update to its latest state. Does this mean the data stored locally will always grow continously, eating up all available space eventually?...
11
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1answer
12k views

Synchronizing with network – What does it mean? [duplicate]

The messages: synchronizing with network xxx blocks remaining what does that mean?
9
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2answers
28k views

Why is my Bitcoin wallet always out of sync?

Why is my Bitcoin wallet always out of sync? What can cause this?
2
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2answers
556 views

Is wallet.dat linked to the blockchain file? [duplicate]

Just started using Bitcoin today and since I needed them rather urgently, I hastily bought them and transferred them to my wallet before actually setting up my wallet. The client is downloading the ...
5
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1answer
571 views

My sync wont start, what can I do?

I have used Bitcoin previously via Windows GUI miners, but never faced an issue like this before. I am now running Ubuntu 12.04 amd64 and using an updated 0.7.1 Satoshi client. The sync looks like ...
3
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1answer
3k views

Synchronising official bitcoin wallet for the first time; at 95% started going backwards

I.E. 9900 blocks remaining, 9904 blocks remaining and the total percent synced is decreasing. Is this normal behaviour? I'm on a mobile broadband connection but http connections are working just fine. ...
4
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2answers
2k views

Is there a way to access my BItcoins before Bitcoin qt syncs?

I used QT to generate an address, and have received some coins, but they're not showing up because it hasn't synced yet. It looks like syncing will take 2 days. Can I access the coins before then? ...
2
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2answers
523 views

Mac OS 10.7.5 compatible with Bitcoin-Qt.app?

Program runs but doesn't seem to be able to synchronize with network. Is there more to installing program than just dragging into applications folder? I'm also confused about why I don't have a ...
5
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2answers
1k views

What happens if I force quit a bitcoin wallet application before it finishes synchronizing?

I ask because upon initial install, this program (newest version) is PAINFULLY slow, and slowing down my system extremely, toward the end of the 6k block mark. I'm wondering if you force quit the ...
5
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5answers
21k views

My client stopped synchronizing, how can I access my wallet?

My wallet has been stuck synchronizing for 21 days, my transfer is in the block chain but I can't get it to sync with my wallet. I've closed firewalls, uninstalled and reinstalled QT with back up and ...
2
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0answers
670 views

How to use downloaded blockchain on ubuntu?

I am using a fresh install of Bitcoin and have no wallet with coins at this time, and want to use the Bitcoind service in short time (loading blockchain using bitcoind will take days because of slow ...
47
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6answers
23k views

Why is downloading blocks taking longer and longer?

First off, this really needs to get fixed. I'm downloading blocks for at least 8 hours now, and it's still not done. I know the problem of having to download the entire block chain is being worked on, ...
3
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1answer
239 views

Are there ready-to-use indexed bitcoind data files available somewhere?

I tried bootstrapping bitcoind, but it's slowly downloading and downloading. I tried putting these files first, but it is still downloading something a bit, stays 100% CPU, iowaits, fills up the ...
8
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7answers
2k views

When downloading the blockchain for the first time using bitcoind, how do I know when it's done?

I'm using bitcoind on Ubuntu, headless. So there's no GUI to tell me when it's done. So how do I know?
3
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1answer
510 views

Bitcoin qt won't update

I installed Bitcoin Qt, and it began updating the blocks extremely slowly. After several hours, I restarted the program, thinking it might speed it up. Now, it appears completely stagnant; the icon in ...
1
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2answers
840 views

Bitcoin client only has 1 connection? [duplicate]

I have had bitcoin for a little bit now. It has been going very smoothly. I have set up 3 accounts for various activities, privacy, and security reasons. I now can not get all of the block chain. ...
0
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2answers
408 views

Bitcoin client 0.4.1.1 stuck at block 176947

Bitcoin client stuck. Tried to rebuild whole blockchain, but it went up to that number and got stuck again. Here's a screenshot: http://vvcap.net/db/2IR75OWyJj5AsUW7eo_i.htp Any suggestions?
6
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4answers
11k views

What can I do when the blockchain synchronization is stuck at a specific block?

I hadn't started/used my Bitcoin client for ages. Now, whenever I start the client, it is downloading block 135407 and does not progress past it. What can I do?
6
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2answers
4k views

Why does the initial blockchain download get stuck part way through?

I am trying to get Bitcoin up and running on a fairly underpowered laptop and Windows Vista using Bitcoin-Qt 0.5.0.1. After installing and starting the program, I am stuck at at the syncing stage at ...
5
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2answers
159 views

Can the blockchain be included in future packages of the standard client?

Is it possible to include actual transaction history to new version of Bitcoin client? I mean, when someone new downloads a fresh version from http://bitcoin.org. It is very hard to get more people ...
7
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2answers
220 views

Can you shutdown part way through synchronization process and start up again from the same point?

Can you shutdown part way through synchronization process and start up again from the same point? When opening bitcoin software again will the process start from where it left off or does it need to ...
13
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4answers
29k views

Help! I sent coins to my bitcoin wallet before it was properly synced! [duplicate]

I sent coins to my Bitcoin wallet not after installing it, but before it had fully synced! Then I closed and reopened it after sending the coins. It had generated a bitcoin address to send to, but is ...
14
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2answers
9k views

I didn't receive a Bitcoin Payment. What does it mean when the Client is synchronizing?

Bitcoin newbie here. I recently installed the Bitcoin client, and purchased some bitcoins from Mt.Gox. My problem is that my client is constantly synchronizing. I've checked charts and seen that my ...
78
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7answers
84k views

Can I download the whole block chain from somewhere?

Every time I turn on the Bitcoin client it takes days to catch up with the block chain. Are there alternatives to getting it trickling through the peer-to-peer network? Can I just download it ...

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