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Update README.md

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Matias Alejo Garcia 2015-09-14 15:58:02 -03:00
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@ -98,7 +98,15 @@ Copay also implements [BIP32](https://github.com/bitcoin/bips/blob/master/bip-00
For more information regarding how addresses are generated using this procedure, see: [Structure for Deterministic P2SH Multisignature Wallets](https://github.com/bitcoin/bips/blob/master/bip-0045.mediawiki).
## Backup format
## Copay Backups and Recovery
Copay v1.2 use BIP39 mnemonics for backing up wallets. The standard BIP44 is used for wallet address derivation. Multisig wallets uses P2SH address, while non multisig wallets use P2PKH.
Information about Backup and recovery procedures is available at https://github.com/bitpay/copay/blob/master/backupRecovery.md
Previous versions of Copay use files as backups. See the following section.
## Wallet Export format
Copay encrypts the backup with the [Stanford JS Crypto Library](http://bitwiseshiftleft.github.io/sjcl/). To extract the private key of your wallet you can use https://bitwiseshiftleft.github.io/sjcl/demo/, copy the backup to 'ciphertext' and enter your password. The resulting JSON will have a key named: `xPrivKey`, that is the extended private key of your wallet. That information is enough to sign any transaction from your wallet, so be careful when handling it!