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How to convert a WIF private key to a BIP32 extended private key

You can't. The BIP 32 extended private key format contains information which is not present in the WIF private key. The extended private key format contains the chaincode of the private key, the index,...
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  • 61.5k
4 votes

BIP38 or Brain wallet?

BIP38 wallets are significantly more secure and are resistant to brute-force attacks when a decent passphrase is used. Generally the term "Brain Wallet" refers to one in which the private key is ...
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2 votes

BIP 38 Implementions for Altcoins?

The most capable working implementation for extending BIP 38 to altcoins (having strong Bitcoin heritage) is provided by bitcoin-explorer's (bx) Key Encryption Commands (with working examples applied ...
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2 votes

BIP38 or Brain wallet?

Brain wallets use your secret phrase to deterministically generate keys for you, meaning that you can never lose your wallet and there is no need to print it (except for extra-safe keeping). Hence the ...
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  • 13.7k
2 votes
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"Lost" password to BIP38 encrypted private key, encrypter may be faulty (Bippy)

It turns out Bippy does have a bug in the encryption algorithm where it mixes up the public key compression flag. As pointed out, I posted this problem on reddit as well, and a solution has been ...
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2 votes

Spending BTC from an Electrum watch-only paper wallet?

Solved, with some assistance from redditor u/Deminero30. The problem was that the BIP39 Paper wallet's private key (PK) Format started with "6P..." and was 58 digits long but, when I used bitaddress....
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  • 31
2 votes

BIP38 or Brain wallet?

BIP38 allows you to hide your private key in plain sight. Nobody knows what the private key is until they decrypt it with the password. A brainwallet is essentially generating a private key by ...
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  • 69
1 vote

What type of wallet support French seed-phrases?

BIP39 (the specification for how seeds can be encoded into phrases) specified a number of word lists beside English but it has been widely considered a bad idea to use them. Words can be ambiguous ...
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  • 15k
1 vote

Spending BTC from an Electrum watch-only paper wallet?

As you know, it isn't possible to spend money using a wallet that doesn't contain the relevant private-key. Your watch-only wallet cannot be used for spending. See https://bitcoinelectrum.com/...
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1 vote

"Lost" password to BIP38 encrypted private key, encrypter may be faulty (Bippy)

If there is a bug in Bippy and it's generating incorrect encrypted private keys, that would make your unencrypted private key unrecoverable, unless the bug in Bippy was something as simple as changing ...
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1 vote

How to BIP38 existing private keys offline

The Bitcoin-Explorer (bx) v3.0 implementation described below has had FULL BIP 38 functionality for over a year, and has extended BIP 38 to numerous altcoins. See 5) Extended AES256Encrypt and ...
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1 vote

How do private keys in Bitcoin-Qt's encrypted wallet differ from BIP38 private keys?

BIP38 provides a standard to create encrypted paperwallets (or physical coins in the case of Mike Caldwell). Bitcoin Core is wallet software which stores its most sensitive information in an encrypted ...
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  • 63.5k
1 vote

What is the current state of BIP 38 (encrypted paper wallet) integration with cell phone wallets?

Mycelium is a well-reviewed Android wallet that seems to meet the criteria you've described.
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  • 91
1 vote

Given a Bip38 encoded private key, Can you derive the address without knowing the password?

This doesn't appear to be possible from reading the BIP38 draft specification. However in this specific case, the key you have posted is a example from the moneywagon python module documentation. The ...
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  • 15k
1 vote
Accepted

How would one go about generating a BIP-38 encrypted vanity address for cold storage?

Take a look at http://bippy.org. The main potential issue I see with using a vanity address for cold storage is in spending from the address multiple times. If the wallet software you use isn't ...
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1 vote
Accepted

BIP38 on multisig? Does it work?

Yes, you can use BIP38 with multisig. It's not exactly a brand new idea, though. I've spoken with some people from Gem (https://gem.co/), that's exactly what their API lets you do.
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