![]() ![]() If an attacker is able to modify your block database files, then they can do all sorts of evil things which could cause you to lose bitcoins. Bitcoin Core treats its block database files as 100% accurate and trustworthy, whereas during the normal initial sync it treats each block offered by a peer as invalid until proven otherwise. However, when you copy someone's database in this way, you are trusting them absolutely. This is usually far faster than doing the normal initial sync over again. In other words, if you copy installation A's block database into installation B, installation B will then have the same syncing percentage as installation A. These files, known collectively as a node's "block database", represent all of the information downloaded by a node during the syncing process. The database files in the "blocks" and "chainstate" directories are cross-platform, and can be copied between different installations. Other files and folders (blocks, blocks/index, chainstate) may be safely transferred/archived as they contain information pertaining only to the public blockchain. Unknown whether this contains personally identifiable data.It contains information (BDB state) relating to your wallet. This should only exist when bitcoin-qt is currently running.May contain IP addresses and transaction ID's.May contain information pertaining to your wallet.You should not transfer this file to any third party or they may be able to access your bitcoins. It contains the keys necessary for spending your bitcoins. Please be sure to make backups of this file. Contains addresses and transactions linked to them.This section may be of use to you if you wish to send a friend the blockchain, avoiding them a hefty download. If that's not it, you can do a search like this:įind / -name wallet.dat -print 2>/dev/nullĪn overview of these is in files.md in the Bitcoin Core documentation. You need to do a "ls -a" to see directories that start with a dot. Start Bitcoin, now you will see all the files are created in the new data directory.īy default Bitcoin will put its data here: "C:\Program Files (x86)\Bitcoin\bitcoin-qt.exe" -datadir=d:\BitcoinData If you want to store them in D:\BitcoinData then click on "Properties" of a shortcut to bitcoin-qt.exe andĪdd -datadir=D:\BitcoinData at the end as an example: If you have already downloaded the data then you will have to move the data to the new folder. You can also store Bitcoin data files in any other drive or folder. "AppData" and "Application data" are hidden by default. For most users, this is the following locations:Ĭ:\Documents and Settings\YourUserName\Application data\Bitcoin (XP)Ĭ:\Users\YourUserName\Appdata\Roaming\Bitcoin (Vista and 7) ![]() Go to Start -> Run (or press WinKey R) and run this:īitcoin's data folder will open. ![]()
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