Difference between revisions of "Wallet"

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(Improving the intro to indicate more common use of the term "wallet" as software for managing keys instead of a file. This matches https://bitcoin.org/en/choose-your-wallet)
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A Bitcoin '''wallet''' is a file that contains a collection of private keys.  
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A Bitcoin '''wallet''' is a piece of software used to manage private keys and to make transactions on the Bitcoin network.  Wallets may offer additional features such as address labels, contacts, signing messages, etc.
  
 
=== Bitcoin Qt ===
 
=== Bitcoin Qt ===
  
The original Bitcoin [[Clients|client]] wallet file is named '''wallet.dat''' and contains<ref>[https://bitcointalk.org/index.php?topic=4448.0 Wallet import/export: bitkeys format]</ref>:
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The original Bitcoin [[Clients|client]] stores private key information in a file named '''wallet.dat''' acording to the so called <ref>[https://bitcointalk.org/index.php?topic=4448.0 Wallet import/export: "bitkeys" format]</ref>:
  
 
* keypairs for each of your [[address|addresses]]
 
* keypairs for each of your [[address|addresses]]

Revision as of 20:28, 6 April 2016

A Bitcoin wallet is a piece of software used to manage private keys and to make transactions on the Bitcoin network. Wallets may offer additional features such as address labels, contacts, signing messages, etc.

Bitcoin Qt

The original Bitcoin client stores private key information in a file named wallet.dat acording to the so called [1]:

  • keypairs for each of your addresses
  • transactions done from/to your addresses
  • user preferences
  • default key
  • reserve keys
  • accounts
  • a version number
  • Key pool
  • Since 0.3.21: information about the current best chain, to be able to rescan automatically when restoring from a backup.

The data file for the wallet is wallet.dat and is located in the Bitcoin data directory.

It is intended that a wallet be used on only one installation of Bitcoin at a time. Attempting to clone a wallet for use on multiple computers will result in "weird behavior"[2].

The format of this file is Berkeley DB. Tools that can manipulate wallet files include pywallet.

Armory

The Armory client uses a custom binary wallet format and runs on top of Bitcoin-Core[3].

Blockchain.info

Blockchain.info use a plain text JSON wallet format documented here. Private keys Keys are stored in base58.


Cubits

Cubits.com has both cold and hot wallet, with all user's funds stored securely in the cold wallet.

Multibit

Multibit uses the bitcoinj protobuf wallet file.


See Also

References