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Questions tagged [bootstrap.dat]

bootstrap.dat is a snapshot of the blockchain which can be used to bootstrap a new Bitcoin install.

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Is there a way to sync bitcoin core without verification?

As the question asks, is there a way that one could sync the bitcoin client without verifying all the blocks. During IBD, downloading the blockchain isn't the bottleneck, what takes time is verifying ...
Rattle's user avatar
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1 vote
1 answer
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Remove Orphan blocks from "personal" blockchain

Alright, so I've been trying to learn a little more about the blockchain and blockchain-development lately. For every other altcoin, I've noticed that there's such a thing as a bootstrap.dat-file ...
dragonskater45's user avatar
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3 answers
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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 ...
Sergey Potekhin's user avatar
5 votes
1 answer
746 views

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 ...
xabbix's user avatar
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2 votes
1 answer
513 views

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 "...
user5652's user avatar
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2 votes
0 answers
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Bitcoin-Qt does not unpack the bootstrap.dat

I downloaded a copy of the bootstrap.dat for a node I'm trying to set up on a Raspberry Pi (Raspbian OS, based on Debian). I placed it in ./bitcoin, which is the right place according to what I read. ...
ntonnelier's user avatar
1 vote
1 answer
980 views

Chainstate database for download

Is it possible to download a recent snapshot of the chainstate database? I'm running bitcoind (v. 0.11.8) on a machine with ~1mb/s download speed. After my client reached 300000 blocks, the ...
A. Robertson's user avatar
17 votes
4 answers
29k views

What happened to the bootstrap.dat provided by bitcoin.org?

I could download a bootstrap.dat.torrent from bitcoin.org before, but it is no longer available. Does bitcoin.org still maintain it? Is there another source for downloading a bootstrap.dat? I am ...
ZhouQi's user avatar
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0 votes
1 answer
745 views

Bootstrap.dat incorrect or no genesis block found

Hi all i need to add bootstrap.dat after downloading i start bitcoind with -loadblock but not work i have error Incorrect or no genesis block found. Wrong datadir for network? I start bitcoin with ./...
pulsar's user avatar
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5 votes
1 answer
2k views

How come importing the bootstrap.dat to Bitcoin Core takes so long?

So I downloaded and installed BitCoin Core X64 v0.9.3 from https://bitcoin.org/en/download. I then downloaded the linked bootstrap.dat torrent and after it downloaded the bootstrap.dat, I moved it ...
BCuser1233221's user avatar
7 votes
1 answer
2k views

How to download blk.dat files from a specific block number?

I want to download blk.dat of a specific block number, How can I do this ? Note: I'm only interested in specific blocks, I only want to download blocks for example that are numbered between 100 and ...
ka lin's user avatar
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2 votes
1 answer
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Bitcoind running in vagrant can't import bootstrap.dat from external directory

I am working on a bitcoin development environment in a box, and I've got the bitcoin reference implementation compiling and running so far in this vagrant environment: https://github.com/tlehman/...
tlehman's user avatar
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2 votes
2 answers
2k views

How do I generate a bootstrap file on Ubuntu?

I would like to generate a Bitcoin and Dogecoin (qt) bootstrap file on my ubuntu machine. Is there any way to do this? I know it's possible with Windows but I'm on Ubuntu. Thanks.
mrbear235's user avatar
5 votes
5 answers
13k views

Where to place Bitcoin bootstrap.dat

I'm sure this has been asked many times before, but I've recently gotten into the whole cryptocurrency thing starting with Dogecoin, and I now want to use Bitcoin as well. I am on Windows 7. I found ...
Aric Leather's user avatar
0 votes
1 answer
731 views

How to make bootstrap.dat work with bitcoin qt

I have downloaded the bootstrap.dat torrent to make bitcoin qt synchronize faster. I have searched the bitcoin directory by writing in the Run Application "explorer %APPDATA%\Bitcoin" I have dropped ...
user3055277's user avatar
2 votes
1 answer
479 views

Is a bootstrap.dat virus possible?

Recently I learned that someone has injected an old virus signature into the bitcoin blockchain, though it does not run the chance of infecting the computer. http://newsbtc.com/2014/05/16/virus-...
Mark's user avatar
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4 votes
3 answers
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How do I load wallet.dat on new PC and import everything into Electrum? [duplicate]

My primary PC died last month due to what I believe is a motherboard error. My EVGA board displays "FF". The fans, drives, everything powers up as usual. But I don't hear any beep, no POST, no BIOS, ...
RasterVector's user avatar
0 votes
2 answers
355 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 ...
Anomalous Awe's user avatar
4 votes
2 answers
7k views

How to create a bootstrap.dat file? [duplicate]

I want to create a new bootstrap.dat file for a Dogecoin. How do this kind of files are created and how can I create one? What tools should I use? any answers/links/references are appreciated. I have ...
nobody's user avatar
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11 votes
1 answer
10k views

What exactly did `Bitcoin-Qt -rescan -reindex` do?

I spent a ton of time today trying to get Bitcoin-Qt to sync using the bootstrap.dat file and could not get it to work. I found an answer on this forum saying to use: /Applications/Bitcoin-Qt.app/...
Derek Kaknes's user avatar
4 votes
2 answers
7k views

How to use the bootstrap.dat in Mavericks?

So I'm trying to sync with the network in Bitcoin-Qt, but I just can't seem to make use of the bootstrap.dat file that I downloaded, which is annoying because it will be awfully slow to sync without ...
user12454's user avatar
1 vote
1 answer
504 views

Does Namecoin support the bootstrap.dat file? [closed]

If I create a bootstrap.dat file for Namecoin from an existing install will it use it?
Indolering's user avatar
2 votes
1 answer
4k views

How do you generate a bootstrap.dat file? [duplicate]

I think it's just a renamed blk0001.dat file, but I can't find any references as to what it actually is other than a "binary blockchain" ....
Indolering's user avatar
5 votes
1 answer
2k views

Is it safe to delete bootstrap.dat.old?

Is it safe to delete bootstrap.dat.old? Because my bitcoin-qt is using the internet to synchronize right now ("Importing blocks from disk." stage has finished). But I still am not sure.
sterz's user avatar
  • 155
3 votes
1 answer
698 views

What attacks are possible with a malicious bootstrap.dat?

The standard Bitcoin client normally needs to download the entire blockchain from the p2p network when first installed, but a shortcut is to provide it with a snapshot of the blockchain (at some point ...
Nate Eldredge's user avatar
20 votes
2 answers
47k views

How to use the "Bootstrap.dat" file with bitcoin-qt?

I have searched around, and nothing I find works for me. Downloaded the approx. 10 GB Bootstrap.dat file. Now stuck on trying to link it with Bitcoin-QT. Tried the following command in the console ...
CalicoBrak's user avatar
1 vote
2 answers
8k views

How do I use the blockchain file bootstrap.dat?

Once I have the 9+ Gb bootstrap.dat file downloaded, how do I use it? I'd like to attempt mining without joining a pool; do I have the right file for a solo effort? I can use Windows or Linux so ...
Paul Gregoire's user avatar
2 votes
2 answers
8k views

Is there a block chain bootstrap for Litecoin?

For Bitcoin, various people distribute a bootstrap.dat file which contains a snapshot of the blockchain. A new Bitcoin user can download this file and verify it with their client, which is often more ...
Nate Eldredge's user avatar
1 vote
1 answer
3k views

Bitcoin-qt, OS X Mountain Lion, blockchains, and bootstrap.dat

​Edit: Rewording this question to be more clear and concise. Background Info: Was running bitcoin-qt .0.8.1 on osx mountain lion. experienced a kernel panic, likely from some conflict between mac ...
Neil Neyman's user avatar
9 votes
4 answers
23k views

Is there a newer Bitcoin blockchain download available?

The SourceForge project page for Bitcoin provides a blockchain download at http://sourceforge.net/projects/bitcoin/files/Bitcoin/blockchain/ but this file is old/dated. How and where can I download ...
Sydwell's user avatar
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15 votes
6 answers
9k views

Creating my own bootstrap.dat?

Since I have been tearing down and setting up bitcoin clients a lot for some experiments lately, I was wondering whether there is a simple way to speed up the synchronization with the network. One ...
cdecker's user avatar
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80 votes
7 answers
92k 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 ...
Thilo's user avatar
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