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Bitcoin Armory is an open-source, python-based, wallet-management application for the Bitcoin network.

Note: The Armory project is no longer maintained by its creator[1], however there is an effort underway to change to a new maintainer.

Also note that it's using a N of M secret sharing for backing up users private keys. The implementation used repeated hashing of data instead of a random number generator and that combined with other errors completely breaks the scheme. The result is that regardless of the requested threshold an attacker with the first share and any other share could recover the secret (or alternatively the N-th share plus any N additional ones). See also Shamir Secret Snakeoil#Armory.


  • Available for Windows, Mac OSX, and Linux.
  • Licensed under AGPL v3.
  • Encrypted wallet (optional).
  • Maintain offline wallets for 100% security from online attackers.
  • Import addresses created with VanityGen or sweep funds from Casascius physical Bitcoins.
  • Toggle between “Standard”, “Advanced”, and "Expert" modes to guarantee an appropriate set of options and information.
  • Custom deterministic wallet format.
  • Ability to add "Watching-Only" Wallets.
  • Fragmented (M-of-N) Backups.
  • SecurePrint for all Backup Types.
  • Decentralized Multi-Signature "Lockboxes" (up to 7-of-7).
  • Daemon/API for Services and Network Integration.
  • Message Signing.

See the project's forum thread for full details or on their website.


The Armory project was announced January 3rd, 2012[2].


The project received $2,661 by 26 funders on crowdfunding site RocketHub. The project completed it's funding on 2012-03-19[3].

See Also

External Links