I have a bitcoin wallet on my PC but I just recently downloaded the MAC version of it. I would like to initialize it with the blockchain from my PC so that I don't have to download it all over again. Is that possible?

2 Answers 2


See https://en.bitcoin.it/wiki/Data_directory

Copy over your %APPDATA%\Bitcoin directory to ~/Library/Application Support/Bitcoin/

Your AppData directory should be:

C:\Documents and Settings\YourUserName\Application data\Bitcoin (XP)

C:\Users\YourUserName\Appdata\Roaming\Bitcoin (Vista and 7)

If not, you can always run explorer %APPDATA%\Bitcoin in Command Prompt (Super-R, type cmd, hit "Run") to find it.


Just to avoid people missing the key information about the wallet and blockchain - one is very private information and one is public information. In copying as said here: How to transfer only the blockchain to a friend's computer?

"To be more specific, you need to transfer the blocks and the chainstate directory. Don't transfer the database directory as it may contain remains from wallet.dat such as private keys. – rumpus"

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