Questions tagged [synchronization]
This is the process of bringing a Bitcoin client up to date with the list of all Bitcoin transactions known as the blockchain.
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I installed bitcoin core and it started synchronising, at 50 % it says that i dont have enough free disk space
How is it possible that i don't have enough free space? I checked beforehand and the client said i needed around 120GB but i have at least 290GB free space and now it says at 50% that my disk is full ...
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Bitcoin Core on a Linux partition on MacBook... Lost bitcoin due to insufficient disk space to update blocks
As the title says, I have an interesting difficulty and have no idea how to resolve it.
I installed bitcoin core on the linux partition of my macbook, but was not aware that it needed as much disk ...
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Armory synchronization takes forever. How can I speed it up or retrieve my coins?
I have an Armory wallet that has been offline for a long time. When I start up that computer it runs just fine, however it is taking forever to download the blockchain. Based on my estimate of the ...
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do i need to fully download the blockchain before operating commands on litecoin daemon or dash daemon
I am setting up a website that needs to process commands like creating new addresses, do transactions even maintain wallet balance and get notifications on incoming transactions to address created. I ...
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Unable to connect to peers nor synchronize the network
Neither I'm able to connect to my peers nor I'm able to synchronize my bitcoin core in my network.
When I connect my laptop to my mobile hotspot synchronizing works fine and progress in shown. Here ...
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How to Retrieve BTC without syncing wallet [duplicate]
I bought approximately 1 BTC is 2013. I deposited this BTC with a wallet, but I did not keep the wallet in sync. I recently opened the wallet and it says I have 0.0 BTC, and that I have approximately ...
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Connecting full nodes within a LAN to speed up blockchain sync
Bitcoin core v0.14.0 seems to be a lot quicker than previous versions, to the point where syncing the full blockchain now seems to be IO-bound rather than CPU-bound: When running top I used to see my ...
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How do I transfer btc from Core that never finishes syncho to another wallet? [duplicate]
My Core finished sychro after 4 months, the transaction was visible finally (then I moved all data from one file in the computer to another) and Core started synchro again with 3 yrs remaining. It ...
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Bitcoin Full Node Stalled - 13.2
A full node that I've had running for months just began to stall on a certain block. It seems to be refusing to update blocks beyond a certain timeframe. There are no processes spinning, network ...
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Bitcoins disappeared on import into Electrum
A few years ago I received some bitcoin in Bitcoin Core (~0.4 BTC). Then I transferred some to Kraken (~0.1 BTC) and a few weeks later transferred some back (~0.1 BTC). Then I backed up wallet.dat and ...
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block checksum mismatch?
While trying to sync I got a "block checksum mismatch" in my debug.log file. Here is the last 30 lines. You can see that it happily downloading block, then it gets a network unreachable, then it has a ...
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bitcoind reloads blockchain from scratch when it starts up?
I have had my bitcoind turned off for a couple of months and I just turned it on again (bitcoind -daemon), and it seems to be reloading the entire block chain from scratch. Shouldn't it be loading ...
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Bitcoin Core for Mac not syncing, can't access private key to export coins to other wallet
Wondering if you can help me guys, I'm new to using bitcoins and recently downloaded Bitcoin Core to my MacBook. I stupidly sent bitcoins to my wallet without realising i had to sync first, but it's ...
user45847
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Installed 2nd Bitcoin client and invalidated blockchain progress
over the last couple of days I synchronized the block chain on an old version of Bitcoin QT where I still had funds in my wallet. It started out 90 weeks behind, then over the course of 4 days updated ...
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Is -blocknotify triggered during catch-up?
My node is way behind and I noticed the -blocknoitfy action specified in bitcoin.conf is not being triggered. Which is OK for now, because the node has so much catching up to do, the script wouldn't ...
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Can a resynchronization be avoided when recovering a wallet in Bitcoin Core?
I have tried to restore my wallet by replacing wallet.dat with my file, but the issue is that Bitcoin Core started synchronizing from 8 years again. Can some one help me to avoid this because I ...
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How can I run bitcoin-cli with disabled syncing?
I have synced about 200.000 blocks and that's enough for my purposes. So I want to use bitcoincli, but when it runs with enabled syncing (by default), my computer works to slow.
How can I disable ...
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How can I pick up the blockchain download where it left off on another computer using an EHD?
I started downloading the Bitcoin blockchain via my MacBook Pro onto my 1TB external hard drive. I want to use my iMac to finish the download. I plugged my EHD into my iMac and checked to blocks ...
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Bitcoin Core QT Fatal Error after moving block folder, can't retrieve Private Key
I have tried installing Bitcoin Core on my PC and without thinking, I went on and bought some coins (I was trying to be organized, so by the time the sync was done I would already have the coin).
90% ...
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Synchronisation stopped at one specific blockchain
I've successfully been using Bitcoin core for the past months, but since two weeks ago its synchronisation is always stopped at the exact same blockchain.
2 weeks later, sync is behind by 2 weeks. And ...
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How to sync litecoin blockchain (+ bootstrap) from the terminal?
I've installed Litecoin from the main page, so now I have few executable files, like litecoin-cli, litecoind, litecion-qt, ...
I know, that the easiest way to sync blockchain is to run ./litecoin-qt ...
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Which cryptocurrencies are better suited to users with limited bandwidth?
I'd like to try my hand at cryptocurrencies, but have limited bandwidth. Which cryptocurrencies are best suited to users such as me? Why?
Due to the high bandwidth costs, I expect cryptocurrencies to ...
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How does the node system understand which ledger is the latest before updating their own ledger?
I have two specific questions:
How does a new user realizes which is the correct copy of the ledger to be used when initially updating(downloading) the ledger, and why is it that a user cannot ...
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Blockchain synchronization is painfully slow / Best way to download blockchain
I'm trying to setup my own Bitcoin node on Ubuntu 16.04.1 LTS.
Right now, I've stuck with blockchain synchronization. I'm letting bitcoind to run every day for at least 10-12 hours while I work and ...
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Transactions before blockchain sync? [duplicate]
I withdrew some bitcoins from a site and the blockchain is not synced yet. It's taking too long for the sync (more than a day). The payment is still not in my wallet. Can I send payment to another ...
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Synchronizing with network [duplicate]
I transferred some bitcoin to my bitcoin core wallet, at the bottom it is still showing "Synchronizing with network" and my funds have not yet appeared. Did transferring funds to my wallet before this ...
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Should I wait to sync the Armory so that I can receive Bitcoins? [duplicate]
I use Armory. Today I bought some bitcoins but my wallet in that App shows no currency. Instead it said in order to get online you have to install Bitcoin Core. I did that and now it shows "...
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what is the "Banlist" (Bitcoin Core)
Upon start up, after it has downloaded and verified the blocks, the Bitcoin Core client "loads the banlist". What is this banlist?
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Slow synchronisation bitcoin-qt - bread wallet [duplicate]
I have used bitcoin-qt for a while, but I have read now there is bread wallet for iOS more secure than any OS X wallet, is this true ?
I didn't update it for a while and now it is like 60+weeks ...
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How to speed up initial block chain sync using SSD without wasting space?
I have a 60GB SSD as my Windows system drive, which isn't enough to save the entire blockchain to. I installed BitCoin Core (bitcoin-qt) and set the data directory to be on my 2TB HDD. However, the ...
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How long does it take for a SPV to intermittently sync (order of magnitude)?
Say I have a device that is mostly offline, with a SPV on it.
Say once in a while (for instance once a week) I go online for about 20 minutes, and make a large number of transactions (which are ...
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My Bitcoin Qt is behind 7 years and 32 weeks
My Bitcoin Qt is behind 7 years and 32 weeks... I'm new to all this so I wonder:
if I shut down the pc, is the sync gonna continue or will it restart from the beginning?
And.. how can I get my ...
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Faking blockchain data in bitcoin-core
Let's say I found a tarball with blockchain data files which I load to my datadir and start my Bitcoin Core client, what sort of attacks am I vulnerable to? Could the files contain fake balances? If ...
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Changing prune size in working bitcoin daemon
I need to free some disk space in bitcoin server.
Will bitcoind download all blocks from scratch again if I change 'prune' value in bitcoin.conf over working daemon?
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Sent Bitcoin to Bitcoin Core Wallet before it finished "syncing with network"
So I bought some bitcoins and sent it to my Bitcoin core wallet before it finished syncing with network, will the transactions come through once it finishing syncing or have I lost them?
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Is it normal not to see my sending/receiving addresses while the bitcoin client is syncing?
I am using bitcoin core on windows 7, it takes forever to sync and during this time I cannot see any sending/receiving addresses in my interface, I only see "balances" (empty), "recent transactions" (...
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Bitcoin core: boostrap.dat trade-off with "Synchronizing with network..."
Being, now, aware that users of Bitcoin Core (v0.12.1.0-g9779e1e) are no longer to use a torrent download of a bootstrap.dat and, instead, are admonished to simply launch Bitcoin Core and permit "...
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Takes longer to download newer blocks?
I have been downloading the blockchain to a new client and it has been at it now for almost a week. One thing I notice is that as it is getting close to the end, it is slowing down a lot.
For example,...
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What is the best way to share the blockchain and get it verified by the wallet?
I am the owner of BlockchainDownload and am looking for a way to get some trust in the website.
I have shared the link in a couple of topics an get the response "Please do not suggest that people ...
user28073
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Check status of daemon?
I have started bitcoind on my linux box. How can I ask it what its status is? I assume it is downloading the blockchain and will continue to do so for hours or days. How can I find out where it is in ...
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Correlation of number of (non mining) full nodes to internet bandwidth
Are there any correlation studies showing the number of (non mining) full nodes per country (total or per/capita) compared to average internet connection speeds?
I know there are great differences ...
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Is reliance on a UTXO Set provided by other users dangerous?
One of the largest hurdles in my mind to increasing the number of full nodes operating is the startup cost related to downloading the blockchain. A similar but less important (in my mind) issue is ...
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Does desktop wallet need to be online for the coins to mature?
Suppose, I've installed a new coin wallet, got synchronized with the network, now I've sent some coins to my wallet. Now, if I close my wallet (and stay offline), would it get maturity after X amount ...
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Can I retrieve my bitcoins from years ago that I never received?
How can I get hold of my bitcoins that never made it to my wallet years ago?
I purchased some bitcoins years ago (have got my receipt and all emails from who I purchased). I downloaded Bitcoin-Qt 7, ...
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Transfer from Bitcoin Core to Electrum expired before full synchronization. Where are the bitcoins?
I started using Bitcoin Core and transferred coins to this wallet. When synchronization got to the point where the coins showed up in the wallet I sent them on to an Electrum wallet, although Core had ...
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How to check if my node is fully sync'ed
Using bitcoin-cli, how do I check how sync'ed my full node is?
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What's the difference between synced_blocks and synced_headers?
My P2P is a bit rusty, but as far as I understand; if we're running a full node, other nodes will connect to us to share blocks. So I can see why it would be useful to be able to see how far behind ...
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Does Bitcoin Core leak private information during synchronization without Tor?
I'm very new to bitcoin.
Sorry for maybe silly or paranoid questions, but: Do I compromise myself in any ways when I first time run the official Bitcoin Core client for downloading all transactions ...
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Is the getnewaddress command available before synchronization is completed?
Can I expect the getnewaddress command to work before my bitcoind has finished synchronizing?
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0 active connection to bitcoin network (testnet)
I am working with the testnet. I downloaded the bitcoin-core application on Linux and I am running the version Bitcoin Core version v0.12.1.0-g9779e1e (64-bit) I was able to download the bitcoin block,...
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