Tagged Questions

The process of bringing a Bitcoin client up to date with the blocks it is missing from the block chain.

learn more… | top users | synonyms (1)

1
vote
4answers
98 views

Would it be possible to add an RPC call to be able to determine if a node is fully synced?

After reading this answer, where Peter Wuille talks about how a node can't really tell if it is synced or not, it got me wondering if there is a way we can tell that a node is as synced as it possibly ...
1
vote
1answer
63 views

I can't find my bitcoin address and my bitcoin core is out of sync by 3 years

Hey guys I am a newbie at Bitcoin just recently found out about it. I downloaded Bitcoin core; I encrypted the wallet; I created a backup folder, but it is out of sync by 3 years 4 weeks and i can't ...
0
votes
2answers
106 views

Do i need ~4 years to sync?

I just downloaded bootstrap (~21GB) and started bitcoin base. It shows me that time to sync will be 4 year and 17 weeks? Is it going to change, or do i have to wait that much? My internet downloading ...
0
votes
0answers
21 views

Bitcoin QT Can't Sync to server

I just started to try out bitcoin, and I heard you needed Bitcoin QT. I downloaded it and opened it up, and it says "Synchronizing with network" at the bottom. I have had it open for more then 20 ...
1
vote
3answers
85 views

If using Bitcoin core client am I constantly going to be downloading data from the blockchain?

I understand you have to download the entire blockchain and sync in the beginning but don't you also have to constantly keep the software on if you want to buy/sell stuff, which means more data being ...
1
vote
0answers
61 views

Bitcoin Core and Armory working together? [duplicate]

I am confused, totally new to Bitcoin and not really a digital expert, so forgive me if the following is stupid. I downloaded Armory two weeks ago and it asked me to also install Bitcoin QT which I ...
1
vote
1answer
94 views

Can you switch the method of blockchain download?

I torrented bootstrap.dat and used am using it to populate the blockchain. It is close to being complete, but my server has ran out of room. There is room for one copy but not enough for two. Is it ...
1
vote
0answers
33 views

BIP32 wallet sync with Bloom filters

I'm working on my SPV library and I still have a hard time figuring how to approach the BIP32 + Bloom filters combination. Here's how I currently sync an existing HD wallet (after fast catch-up): ...
0
votes
0answers
94 views

How to set syncnode of a peer to true?

I have a testnet connection with 3 clients. When I am doing getpeerinfo on 1 I am getting [ { "addr" : "172.20.61.111:63379", "services" : "00000001", "lastsend" : 1403246741, ...
2
votes
1answer
191 views

Wallet takes way too much time to keep up to date?

I would like to start using bitcoin more for day-to-day transactions. However, it takes way too long to keep my wallet up to date to be practical. I am using Bitcoin Armory, though I have had this ...
-1
votes
1answer
92 views

Using blockchain to publish downloadable software verification codes

What is the point of comparing sha256 of downloaded file with published on the same website code? Why can't developers of currencies publish file version and sha256 hash on blockchain as alias or ...
4
votes
1answer
57 views

What is the point of comparing sha256 of downloaded file with published on the same website code? [closed]

Some websites publish sha256 to check authenticity of downloaded file. I suppose this is to protect against man-in-the-middle attack - that my file was not altered during download. What prevents ...
0
votes
2answers
204 views

Is there any altcoin with improvements in blockchain download time?

Let me introduce my idea. Given: sizeof( Blockchain ) = 16Gb Downloading of one avi film 16GB from the pirate bay ( 5mb/s ) = 2-3 hours Downloading of bitcoin's blockchain ( 5mb/s ) = 2-3 days One ...
1
vote
2answers
566 views

bitcoind in testnet is not synchronizing

I installed bitcoind into Linux. I'm running it in testnet mode but it is not synchronizing as it is not downloading blocks. I have the following in bitcoin.conf: rpcport=8332 # Needed for testnet ...
2
votes
0answers
228 views

digitalcoin wallet won't sync

I've had my digitalcoin wallet open for a few days now, hoping it would eventually sync back up but it's seemingly stuck, not necessarily at a specific block, but around 3 days back, whichever block ...
0
votes
0answers
61 views

Installed Bitcoin-QT on windows2008r2 server, but it won't snyc anything at all

Installed Bitcoin-QT on windows2008r2 server, but it won't sync anything at all. No connections to network, no blocks, no movement full stop. I have OK'd it in windows firewall, tried connecting ...
2
votes
3answers
341 views

Are there any cryptocurrencies with no mining beyond participation?

I mean something where just participation in the decentralized network gives you coins somehow and you cannot do anything beyond (excluding more participation, of course, by having multiple PCs and ...
0
votes
1answer
42 views

how to get clients sync status via API

I try to use the build in API by bitcoin client and I wonder how to get the sync status via API of a runing client.
0
votes
0answers
252 views

Cannot synchronize with Bitcoin in testnet mode

I downloaded Bitcoin-QT for Windows 7 into: MYUSERNAME/Downloads/bitcoin-0.8.6-win32/bitcoin-0.8.6-win32 I want to run Bitcoin in testnet mode, so I created bitcoin.conf with only the following ...
1
vote
1answer
337 views

Armory takes 8 Hours to sync. Is it going to get worse as Bitcoin becomes more popular? [duplicate]

I have been experimenting with Bitcoin and I installed Armory wallet. It told me that it would take approximately 8 hours to sync the worldwide ledger. My question is, as Bitcoin gets more popular, ...
2
votes
1answer
65 views

Download only first few blocks of blockchain

Is there an archive location or a place where I could be able to download only the first few hundred blocks of the block chain?
2
votes
1answer
222 views

mapOrphan overflow, removed 1 tx

I'm trying to download the block chain and synchronize with the network (using Bitcoin-qt 0.8.6). I have a 2 year old wallet.dat file with a fractions worth of unconfirmed bitcoins. After over a day ...
3
votes
2answers
11k views

Faster way to sync my new Bitcoin wallet?

I'm very new to Bitcoin so I apologize if this question is naive. I just downloaded the Bitcoin, Litecoin, and Dogecoin Qt clients and opened each of these apps. Consistent with their coin's ...
1
vote
3answers
1k views

Why is Bitcoin-qt using my CPU at 100%?

I am running Windows 7, and every time I open Bitcoin-Qt (v0.8.6-beta) during synchronization my CPU runs at around 95% according to the Windows Task Manager. As soon as synchronization is finished, ...
0
votes
1answer
7k views

Wallet Out of Sync and Bitcoin transfer

I bought bitcoins and sent them to the wallet, however the wallet is not synchronized and as a result I cannot see my bitcoins. Will I be able to see them as soon as the synch process finishes or have ...
2
votes
1answer
295 views

Miner seems to be stuck at receiving new blocks

I have two laptops cranking hashes for pooled mining. My Mac is set up correctly, and I see the (yay!!!) messages pretty often from the minerd.exe output. However, the PC I have cranking never seems ...
1
vote
4answers
133 views

Is there a way to monitor what bitcoin-qt is doing on a mac os x?

Using 0.6.6.2 on a mac mini; has been running for 56 hours now, still not fully synchronised; is there a way to monitor whether the program is actually doing something or just stuck? would the 0.8.x ...
0
votes
0answers
29 views

download the entire blockchain? [duplicate]

Im new to this so say sorry now... I downloaded and used bitcoin wallet, gave the address to someone and I have received a small payment, however do I need to download the entire blockchain to see my ...
1
vote
1answer
3k views

Need help! Initial sync not progressing, BTC sent already, + warning message

Please help! I look forward to your intelligent caring responses. Here is the situation: I'm trying to do the initial synchronizing of Bitcoin-QT, which hasn't progressed in 14 hours, and: - ...
2
votes
1answer
382 views

Bitcoin-QT client shows coins, but cannot find wallet.dat

It's been a couple years, and I opened my bitcoin-qt client. It says I have coins, but is taking days to "sync with network". Further, I cannot find a wallet.dat file anywhere on my system. How ...
0
votes
4answers
609 views

Bitcoin qt synchronization problems!

So bought my first Bitcoins the other day (27 & 28/11/13) on localcoins, then transferred them to a MultiBit wallet. No problems. I decided to use a 'safer' wallet, therefore I moved the coins to ...
0
votes
2answers
328 views

Bitcoin too large file

I installed the bitcoin program and now it's synchronising, and although I installed it on my very large D: disk it's moving all of the stuff on my little C: disk. It's now around 6 GB in size with 45 ...
3
votes
1answer
397 views

My wallet hasn't synchronized, can I make a transfer?

My wallet hasn't synchronized, can I make a transfer? I'm assuming that the transaction will not come up on my wallet but im guessing it would come up on the person I send too?
1
vote
1answer
380 views

Is there a way to maintain a continually updated copy of blockchain without running a wallet?

This question is in response to being stupid, as I just tried to spend from my B-Qt wallet before it was finished syncing (power outage fun yesterday). Was scary when it froze after hitting send, had ...
-3
votes
2answers
403 views

Will I get my bitcoins have I been scammed?

Okay, I'm wondering what's going on here. I recently synced my wallet after ordering some bitcoins, but I never received them. The guy who sent them to me, sent me the blockchain address. So, I don't ...
4
votes
1answer
132 views

Do all block have to be verified every time a new block is broadcasted?

I did a presentation for my office and during the presentation I was asked a question that I was not prepared for. It's a more technical question from my perspective, but someone here might already ...
1
vote
0answers
2k views

Sent bitcoins to my unencrypted wallet and encrypted the wallet before file synced, is there any way i can get them back?

Thanks in advance for any light you can shed on my problem.. I think I sent bitcoins from an online wallet to my offline wallet BitcoinQT(0.81) in august. The transaction has been confirmed, but not ...
2
votes
1answer
966 views

Is it possible to speed up block chain syncing with a miner?

Syncing the client with the network can take some time. As I have to do this fairly often, it quite bothers me, especially when on slow devices. (A Pi can't do it in a week.) I don't know exactly ...
0
votes
0answers
45 views

Bitcoin-QT v0.6.3-beta transaction not coming in to my wallet. Please i really need help with this im a real newbie! [duplicate]

Im waiting for a transaction being made to my wallet on Bitcoin-QT. It has synchronizing with network and is going really slow 46.66% is done 136640 block(s) is left in 3 days. I Dont know what to do! ...
0
votes
2answers
612 views

The bitcoin-qt synchronization just stopped

Someone recently stole the computer where my Bitcoin were. As my hard drive was entirely encrypted and as I had backups of my wallet.dat file in three different places, I'm not afraid of losing money, ...
1
vote
3answers
999 views

Bitcoind (linux) CPU usage through the roof

Basically I'm trying to keep a wallet on linux along with the RPC service so I can receive coins and poll the server periodically for transactions. I'm trying with both 0.8.1 and 0.8.5 and CPU usage ...
0
votes
0answers
846 views

Sync with pool by addnode config option

My question is about alt-coins mostly. There is option addnode to specify network nodes. If there is no public nodes in the Internet, but exists mining pool of alt-coin. How can I discovery port ...
2
votes
1answer
9k views

Trying to access my BTC from Bitcoin-Qt wallet that is out of sync

I bought BTC and sent them straight to my Bitcoin-QT wallet. Now opened my wallet (ver. 4.8.3) and it says ~29000 blocks remaining to synchronize but this is not happening even though I have 14 active ...
3
votes
1answer
1k views

Do all weeks of blocks take the same time to process?

Bitcoin is slowly synchronising Synchronising the network... 78 weeks behind Do all weeks of blocks take the same time to process? Or will recent blocks be slower because Bitcoin is more ...
3
votes
1answer
4k views

Wallet says “unsynchronised”, is that stopping me from seeing my bitcoins that I just received?

I don't see the bitcoins I was supposed to receive today at 3PM and I tried to close the application to refresh it but it still hasn't arrived. I used GoldUX so that he could send my webmoney to my ...
0
votes
2answers
936 views

I sent my bitcoins from LocalBTC to a unsynced bitcoin wallet program, the bitcoins are not showing up. How do i get them back?

I sent bitcoins from localbtc wallet to a unsynced program, it says 0 in the balance of the program and I really want them back.
3
votes
2answers
898 views

Blockchain download extremely slow at 200 blocks per hour

I am running bitcoind and the blockchain download is very slow at 200 blocks per hour. I am at 225146 and at the current speed, it would take bitcoind a month to catch up. Here is my output from ...
0
votes
1answer
3k views

Solo mining before wallet got sync'd

So the question is can i start mining(solo)/using my wallet for transactions or whatever when my wallet is not sync'd? I've tried to mine solo but it doesn't work =(.
2
votes
1answer
2k views

Will my bitcoin wallet take prohibitively long to sync as daily transaction volumes grow?

I'm using Bitcoin-qt on Mac and it's been a few weeks since I last fired it up, so it's doing a sync. I've waited a few hours now, despite being on powerful hardware and a fibre connection to the web. ...
6
votes
2answers
9k views

What is the fastest possible way to download the blockchain?

How to download the blockchain with full bandwidth? How to download the blockchain fast?