Questions tagged [bip-32-hd-wallets]

BIP32, or Hierarchical Deterministic Wallets. HD wallets are wallets that can be shared amongst different wallet implementation with or without the ability to spend coins. https://github.com/bitcoin/bips/blob/master/bip-0032.mediawiki

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1answer
45 views

2nd 'air-gapped' computer / cold wallet setup for travel

I travel quite a bit and don't want to lug around a 2nd 'air-gapped' computer. I know that connecting a hardware wallet like a Ledger Nano S to the Ledger Live desktop app running on a computer that's ...
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1answer
32 views

What's the consensus on using a non-networked VM as a cold wallet/airgapped computer?

I'm wondering if connecting a hardware wallet like a Ledger Nano S to the Ledger Live desktop app running on a computer that's connected to the internet not considered a 'fully cold' wallet setup. How ...
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0answers
71 views

How to validate derivePath for HDWallet?

I am generating addresses for HDWallet while importing account using the Mnemonic Phrase. So I am letting the user enter Mnemonic Phrase and derivePath both. Before generating addresses, I want to ...
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1answer
127 views

Procedure for Deriving Payment Addresses

I'm trying to understand the HD wallet payment derivation procedure, so assume: Ownership of a Bitcoin HD Wallet on an external smart device Exported account level extended public key (xpub....) from ...
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1answer
49 views

Does Bitcoin Core still use “Bitcoin seed” in addition to a seed like stated in BIP 32?

In BIP 32 it's stated that a Master Private key is generated by hashing the concatenation of a random seed and the string "Bitcoin seed". And is like so in the example implementations. But I couldn't ...
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1answer
24 views

is Gap Limit only for consecutive address?

Suppose we generated 35 address, 1 to 5 are paid, 6 to 34 not paid/used and 35 paid. Because of 20 gap limit we won't see 35 in our wallet, but what happen if we send some money to address 19 for ...
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2answers
705 views

Gap Limit, is always a problem possible to fix?

I want to accept BTC payments but I'm a bit worried about the gap limit. I've read our wallet could miss the funds beyond the gap limit if that happen. But I also read that we could fix that easily ...
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0answers
11 views

Restoring an HD wallet tree [duplicate]

I saw this question: How does restoring an HD wallet work? I think the answer fits to a chain wallet (Seed) and the process is different while it's on a tree. I still don't understand how the ...
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1answer
180 views

Understanding default bitcoin wallet in bitcoind

I am new to block-chain, so please bear with my questions. I need to understand the basics of a bitcoin-wallet. So I have setup a bitcoin full node using bitcoind in running in testnet mode. As I ...
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0answers
14 views

Calculating the HD Wallet Balance [duplicate]

While the notion of a balance is not strictly correct in the context of a wallet, it is something that has presented some confusion for me in the context of an HD wallet, especially when importing a ...
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1answer
178 views

Hardened Keys vs Normal Keys - A Simpler Explanation

I'm trying to better understand hardened keys and normal keys and how the former protects the rest of and HD wallet. Following on from the answer provided here: ELI5: What's the difference ...
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0answers
81 views

HSM for Hierarchical Deterministic Wallet

I'd like to use a small HSM to manage an HD Bitcoin wallet (BIP32). The HSM does have to correct ECDSA curve, secp256k1, can generate keypair, and sign. My challenge comes from the HD part. In ...
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1answer
247 views

What's the magic key version bytes for BIP49

I'm implementing BIP49-compatible key derivation for bitcoin-s, but I'm having a hard time finding the magic version bytes to use for the extended keys. I've been looking at BIP49, but can't find ...
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1answer
269 views

Why seed from BIP39 mnemonic phrase is much longer than entropy?

BIP39 converts mnemonic "zoo zoo zoo zoo zoo zoo zoo zoo zoo zoo zoo wrong" to the fairly long seed "...
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1answer
132 views

Export Xpubkey from Bitcoin Core

How do I export my HD wallet's Xpubkey in Bitcoin Core? Do I construct it using the value of "hdseedid" returned by getwalletinfo?
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0answers
143 views

Which derivation paths are used by the Abra wallet?

Abra have stated in a reddit comment that their non-custodial HD wallet uses custom derivation paths to convert the user's BIP39 mnemonic seed into cryptocurrency address/key pairs. Has anyone figured ...
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0answers
391 views

how to find my btc address and private key using bip32 rootkey

I have one query Using my bip32 rootkey I can see all address I've 250$ into my wallet but when i important the address from my rootkey it's showing only address which i received payment of last 150$...
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1answer
138 views

Expected property “0” of type ECPair, got p

When I'm trying to create a wallet in react app using the following code: const seed = bip39.mnemonicToSeed(mnemonic); const master = bitcoin.HDNode.fromSeedBuffer(seed, "testnet"); I got error: ...
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1answer
303 views

Bitcoin Core 0.17 sethdseed then dumpwallet how to recompute extended private masterkey?

Using bitcoin-cli -datadir=X sethdseed true "WIF_KEY" the current wallet within datadir is updated Then, using bitcoin-cli -datadir=X dumpwallet my_dump.txt shows a fresh new # extended private ...
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1answer
113 views

What does the prefix of the raw transaction encoding of an exported Electrum transaction file (.txn) mean?

I have exported a testnet transaction into a .txn file: { "hex": "45505446ff0002000000000101c6be24d86ab1ae5b54e7e7905b...", "complete": false, "final": false } However, as explained in ...
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1answer
103 views

Bitcoin Core change derivation path with getnewaddress cmd 0.17

As I'm building a simple HD wallet, I would like to use bitcoin core regtest. My goal is to setup a testing flow where I could have constant seeded address each time I use bitcoin-testnet-box, so that ...
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1answer
81 views

funds in hd wallet

I have a doubt on HD wallets, I have generated a sequence of address. how to check the balance of each address or how we can look for balance. Did the amount move to the base address as like monero ...
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1answer
140 views

Why do LedgerJS and Electrum, using the same Nano S and derivation path, not refer to the same Wallet?

I start Electrum in my cmdline like this: ./Electrum --testnet I connect Ledger Nano S to my laptop. In Electrum I make a new HD Wallet with Derivation path using the Nano S's private key as seed: "...
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1answer
252 views

HD wallets and multisig

Is there any standardized way to define HD wallet accounts used to participate in multi-signature transactions? How do existing multisig wallets derive their keys from the seed it? How is Bitcoin Core ...
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2answers
235 views

Private Key in HD Account Bither Watch Only

I have a watch only HD account in Bither and I've got a password of the wallet but I don't have a private Key. I need to send BTC received in that account to another address in another account
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1answer
140 views

Should Electrum users give out their master public key?

I have seen a recent service advertising that users can turn their Electrum Wallets in to a "Cold Wallet" by providing the 3rd party service the Master Public Key from the Electrum wallet. Ignoring ...
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1answer
26 views

Is it possible to run HD derivation with an encrypted master node or seed?

Given either a seed or the private part of a master node, that is encrypted using AES-256-CBC (or another secured symmetrical cypher) with key K, is it possible to run derivation such as described in ...
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0answers
151 views

undefined is not an object error when adding BIP39 to React Native

I have a React Native Project and it was worked correctly till I added bip39 package to the project. when i try to require bip39 in my component i get the below error. undefined is not an object (...
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2answers
2k views

Get Master Private Key from BIP39 Seed

I have BIP39 Seed: 5b56c417303faa3fcba7e57400e120a0ca83ec5a4fc9ffba757fbe63fbd77a89a1a3be4c67196f57c39a88b76373733891bfaba16ed27a813ceed498804c0570 I want to get Master private Key Then I Have to ...
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1answer
135 views

Calculate mnemonic code from terminal

I want to replicate mnemonic code with terminal. the steps are: Create a random sequence (entropy) of 128 to 256 bits. Create a checksum of the random sequence by taking the first (entropy- length/32)...
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1answer
165 views

Cannot read property 'toWIF' of undefined

I am working on a cryptocurrency site in which each user will have there own individual deposit address to put currency on site. I am using bitcoin-core, bitcoinjs-lib, along with quite a few other ...
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1answer
51 views

Why the normal mode exist in BIP32

Suppose the BIP32 normal deviation is not safe enough. Suppose the xpub is deployed on the server, we assume it is public, then the leak of any derived private key is the leak of the parent private ...
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2answers
331 views

Bitcoin HD Wallets with hardened derivation and watch-only addresses

I'm learning about the details of how HD wallets work. After reading the BIP32 and BIP44 documents thoroughly and supplementing it with Mastering Bitcoin there's still on aspect that I can't figure ...
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1answer
197 views

How many rounds of HMAC-SHA256 needed to generate the master key in BIP32

In the BIP32, it does not define the round of HMAC-SHA256. In http://bip32.org/, it use 50,000 rounds. In "mastering Bitcoin", it use 2048 rounds. Is there any explicit standard, or what we ...
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1answer
562 views

Deriving hex private key from a HD wallet

I have the following test Mnemonic: stable primary already collect buffalo bike into robust fury cement proof agree neither blouse course From this I can generate a BIP39 Wallet: https://iancoleman....
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1answer
22 views

wallet that does not abstract change addresses?

I wanted a hands on approach to see change adresses myself instead of hiding away all the details. I also want to see non-deterministic wallets just for education so that I can understand. When we ...
2
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1answer
80 views

HD wallet attack

I've been reading about HD wallet derivation key mechanism. I understood that if an attacker gets somehow a child's private key plus the chaincode used to derive that child' key, then he could ...
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1answer
532 views

Is the hdSeedid in Bitcoin Core 0.17 RPC the actual seed itself?

I'm trying to find out the seed for the HD wallet in the 0.17 release of Bitcoin Core. I used the getwalletinfo command in the RPC console which produced information which includes a string that it ...
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4answers
153 views

Why do HD seeds use a word list?

I'm curious what the purpose behind having a word list for BIP39 HD wallets? Are you required to use these words to create a wallet seed? What would happen if you chose random words not on the ...
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1answer
366 views

Derive next HD segwit address from xpub/ypub

I've been using the smartbit api to derive the next receiving address for a while now. However it only works for Legacy addresses and not Segwit addresses. I now have a Ledger Nano s and need a ...
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1answer
340 views

Restore BIP44 HD wallet

I'm newbie in bitcoin development, I'm working on a wallet and I generated addresses using BIP44. Now for restoring my wallet, I followed the example RestoreFromSeed.java it uses Wallet.fromSeed(...
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1answer
205 views

Python library for Multisignature HD wallets

Is there is any python library is available that allow creation of Multisignature HD wallets ?
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1answer
137 views

Bitcoin open source web wallet with Bitcoin wallet service

Where the user email and password are stored when user registered on the web wallet websites like blockchain.com ? Is the blockchain.com directly interact with the bitcoin blockchain and store the ...
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2answers
192 views

Do wallets save a backup of my private keys and seed?

Let's say that I do not trust a lot in myself and my ability to not screw my computer, so also my private keys. Knowing the concept of wallet HD and having seeds to recover all your private keys ...
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1answer
371 views

Xpub for HD wallets

I have a cold storage in my one of the computers.Also in my project server I have run bitcoin-cli. So I want to remove priv key from here and set the public key from cold storage. I read that it will ...
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0answers
69 views

Bitcoin core read-only

I have system where users can generate addresses and bring some coins, and get bonuses after. I want to make my core read-only. For this I have a second bitcoin core which have not connected to ...
2
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1answer
101 views

Should Account-level in BIP32/BIP44 be Hardened?

Let's say we have an ETH trading exchange where we employ BIP32/BIP44 to generate a unique wallet address for each user. For simplicity, each user uses the same wallet address (unique to each user) ...
3
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1answer
135 views

A couple of questions on Schnorr sig

In the BIP by Pieter Wuille it is told that the key prefixed version of Schnorr signature is needed when the scheme is used in combination with BIP32's unhardened derivation. Could someone provide an ...
2
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1answer
3k views

How to get public key from a Electrum based wallet?

I have created a wallet with Electrum. Now I want to get the public key (not the address, but the public key for key-derivation). How can I achieve that?
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1answer
46 views

What type of Bitcoin wallet is more secure than others?

What type of Bitcoin wallet is more secure than others among Paper wallet, Physical bitcoin, Mobile wallet and Web wallet ?

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