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I'm using bitcoinj for transferring bitcoin.

Now I want to export private key of my wallet.

So how can I get the private key from bitcoinj?

1 Answer 1

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for address prv key

  void key(){
        ECKey key = new ECKey();
        Address pubAddress = new Address(NetworkParameters.prodNet(), key.getPubKeyHash());
        DumpedPrivateKey privKey = key.getPrivateKeyEncoded(NetworkParameters.prodNet());
        System.out.println("Public address: " + pubAddress.toBase58() + "; Private key: " + privKey.toBase58());
}

if you want master private key then do something like this

        NetworkParameters params = NetworkParameters.prodNet();
        Wallet wallet= new Wallet(params);

        DeterministicKey watchingKey = wallet.getWatchingKey();

        // Get the standardised base58 encoded serialization
        System.out.println("Watching key data: " + watchingKey.serializePubB58(params));
        System.out.println("Watching key birthday: " + watchingKey.getCreationTimeSeconds());
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  • I want private keys of all my generated addresses. Please help if you know.
    – Bandish
    Oct 3, 2018 at 6:00
  • @BandishMehta please accept the answer if it satisfied your question, because otherwise it remains "unanswered" on the site :)
    – Zombie
    Oct 3, 2018 at 9:01

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