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Are there any brain wallet generators that can generate segwit (bc1) addresses yet?

Patoshi パトシ
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  • You can do it with the bitcoinjs library. https://github.com/bitcoinjs/bitcoinjs-lib/blob/master/README.md – m1xolyd1an Nov 06 '17 at 21:02
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    But is there an example code of how to generate this address using bech? – Patoshi パトシ Nov 06 '17 at 21:27
  • isnt brain wallet unsafe to use? https://bitcoin.stackexchange.com/questions/8449/how-safe-is-a-brain-wallet – rny Nov 06 '17 at 22:39
  • renlord, not all brain wallets are created equal.... warp wallets are more secure than traditional brain wallets. – Patoshi パトシ Nov 08 '17 at 05:11
  • A Brainwallet with sufficient entropy, generated by a computer or other device with real randomness (not by a human) can be secure. However, they're still a terrible trade-off between risk of theft and risk of loss. Memory can be much more flaky than people believe it to be. – Pieter Wuille May 20 '18 at 01:24

4 Answers4

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Here's an example with bitcoinjs-lib:

let bitcoin = require('bitcoinjs-lib');
let assert = require('assert')
let bigi = require('bigi')


let NETWORK = bitcoin.networks.bitcoin;
let brainwallet = "This is my brain wallet and it is less secure than a CSPRNG source";
let hash = bitcoin.crypto.sha256(brainwallet);
let d = bigi.fromBuffer(hash);
let nkeyp = new bitcoin.ECPair(d);
let wif = nkeyp.toWIF();
let pubKey = nkeyp.getPublicKeyBuffer();
let scriptPubKey = bitcoin.script.witnessPubKeyHash.output.encode(bitcoin.crypto.hash160(pubKey))
let address = bitcoin.address.fromOutputScript(scriptPubKey);
console.log(address);
console.log(wif);
m1xolyd1an
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1

Memory Paper Wallet has the ability to generate bc1 addresses from a brain wallet phrase.

https://www.xcubicle.com/memory-paper-wallet-bitcoin-ethereum-monero-ardor-litecoin

Patoshi パトシ
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0

You can create one here at

https://segwitaddress.org/

You can download offline file for more security.

https://github.com/coinables/segwitaddress/releases
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You could try brain2bip.com

Checkmark "Advanced wallet recovery," then select the BIP84 tab to see a list of segwit addresses and their private keys.

John C.
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