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I'm using the standard Mac Bitcoin client and I added a passphrase. I'd like to remove that passphrase. Is that possible?
Can I remove the passphrase from my Bitcoin Wallet?
Answers
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The Bitcoin.org client does not yet have the feature to remove encryption from a wallet. You can use a single space as the encryption key but there no way to get it to no longer use encryption.
That is expected to be implemented in a future release.
In the meantime, those that want this will create a new wallet and leave it unencrypted, and send their coins from the encrypted wallet to it.
how to transfer keys from one wallet to another without transferring funds with a FEE ? – coding_idiot – 2014-02-26T22:54:48.130
Set fee to zero and wait or import/export the keys. – Lodewijk – 2014-12-11T12:58:19.797
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You can dump your old wallet to a backup file, restart the program to generate a new wallet and import your old wallet into it.
Assuming you are in the directory where your wallet file is located, using the command line that would look like this:
bitcoind walletpassphrase "xxx" 60
bitcoind dumpwallet "wallet.dat.backup"
bitcoind stop
mv wallet.dat wallet.dat.old
bitcoind -daemon
bitcoind importwallet wallet.dat.backup
I would be interested in a less dirty way, if anybody knows one.
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Yes. It is possible.
Either the UI supports it or it does not. You are better equipped to find out than I am but I suspect it does not (yet).
If it does not you can either:
- Export the keys, move the wallet files (rather than deleting it, so you can move it back if things to wrong, on Mac the wallet files are here: ~/Library/Application Support/Bitcoin/), import the keys.
- implement it yourself / pay someone to implement if for you
- find an alternative client to do it for you (Armory might have it, a list is here)
- find an alternative client to open it and export the private keys, so you can import them into a new unencrypted wallet.
- when all else fails: transact your Bitcoin towards a new unencrypted wallet and ditch the old, encrypted, wallet. Be sure to tell people you've migrated, your old addresses are still in your encrypted wallet.
I guess that's almost mentioned in the third bullet, and is the most obvious answer. I'll correct. Maybe I didn't really understand the question last time? – Lodewijk – 2014-12-11T12:54:38.030
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I have the same problem with a wallet that is encrypted. I tried to remove it and if I reinstall a new client it comes back as the old wallet. I installed to a new location, did a registry cleaner and it comes back as the locked wallet. The trick of sending the bitcoins to another wallet don't work. It requires a passphrase to send them. – None – 2013-05-14T06:13:01.213
"I have the same problem with a wallet that is encrypted. I tried to remove it and if I reinstall a new client it comes back as the old wallet. I installed to a new location, did a registry cleaner and it comes back as the locked wallet. The trick of sending the bitcoins to another wallet don't work. It requires a passphrase to send them." Start of Winkey + R type %appdata% and found folder Bitcoin. Save the file wallet.dat in case! Delete it form folder and the program will generate a new address for the wallet! ;) – None – 2013-05-14T11:14:29.767
I don't know if the client allows you to do it without tricks, but in the worst case scenario you can still send all your coins to another address, create a new wallet, and send them back into this new one. – o0'. – 2012-05-06T18:41:51.047