Bitcoin

Bitcoin blockhain files

  1. Download and install Bitcoin Core 0.16.0 https://bitcoin.org/en/download
  2. Start Bitcoin Core for 2-3 minutes and turn it off.
  3. Go to the folder C:\Users\user\AppData\Roaming\Bitcoin , you will see this:
  4. Delete all files and folders except wallet.dat
  5. Download all archives with blockchain files (link below) and unpack to a folder C:\Users\user\AppData\Roaming\Bitcoin
  6. Run Bitcoin Core and enjoy life

Attention! This blockchain files is incompatible with versions of Bitcoin Core below 0.16.0!

Blockchain files

⇒ Download Bitcoin blockchain files: link
You should download all 7 archives and then unpack to blockchain folder
Creation date: 2 april 2018.
Archive size: 139 GB.
Unpacked size: ~ 175 GB.

Few questions and answers about Bitcoin Core

Q – I replaced wallet.dat with another wallet.dat (backup), but the balance is displayed incorrectly

A – It is necessary to make rescan.
Turn off Bitcoin Core if it is running.
Create a shortcut to bitcoin-qt.exe if it doesn’t exist.
Right-click the shortcut and select Properties. You will see this:
“C:\Program Files\Bitcoin\bitcoin-qt.exe” You need to add to this string parameter -rescan to get this: “C:\Program Files\Bitcoin\bitcoin-qt.exe” -rescan.

Then click OK and run Bitcoin using the shortcut. Note that -rescan operation can be delayed for 1-2-3-4 hours depending on the power of your computer.

Q – I do not want to place the blockchain files in the C:\Users\user\AppData\Roaming\Bitcoin folder, how do I make bitcoin open files from the other folder or disk?

A – Create the desired folder on the desired disk, for example, D:\BTC and copy blockchain files there.
Right-click the Bitcoin shortcut and select Properties.
You will see this:

“C:\Program Files\Bitcoin\bitcoin-qt.exe” You need to add to this string parameter -datadir to get this: “C:\Program Files\Bitcoin\bitcoin-qt.exe” -datadir=D:\BTC.

Q – I want to change the folder and do a rescan.

A – No problem. “C:\Program Files\Bitcoin\bitcoin-qt.exe” -datadir=D:\BTC -rescan

Q – I want to get the private key of my address
A – To do this, the console has a command dumpprivkey “address”
For example, the wallet.dat has an address 3CipG4TmXBS3PiQe8HRrMpNuEXBhC1WsoP.  We will receive a private key to it.

Console Bitcoin Core. Write the command and press Enter
Console Bitcoin Core. Write the command and press Enter

Run Bitcoin Core  and go to console (Help -> Debug Window -> Console) and enter the command dumpprivkey 3CipG4TmXBS3PiQe8HRrMpNuEXBhC1WsoP. After a little thought, the console will return the answer in the form of a private key L43U6DFCXaPALMJs8wkmjZZjDH3Bj5WEfGcufeZGE941MkYvNf7B.
Export private key in the console Bitcoin Core

Q – I have 10,000 addresses in the wallet.dat and I want to export them all together with private keys.

A – To do this, the console has a command dumpwallet “filename”
Go to console and run command:
  dumpwallet “C:\anyfolder\test.txt”

Bitcoin Core will create file test.txt in the folder anyfolder and write to it all your addresses and private keys.

If error “Cannot open wallet dump file (code -8)” appears, check to see if the path to the file was written correctly.

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