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Questions tagged [hd-wallet]

Hierarchical Deterministic wallets or HD wallets are wallets that can be shared amongst different wallet implementation with or without the ability to spend coins.

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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
16 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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2answers
77 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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2answers
50 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
63 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
16 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 ...
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1answer
49 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
81 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
49 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
116 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
115 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
69 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
69 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
153 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
23 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 ...
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1answer
37 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) ...
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1answer
134 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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33 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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3answers
133 views

What is the advantage of HD Wallets?

I have read man resources and questions about HD Wallets. As pointed out in this question on SO, it won't be possible to send funds of a derived child address using the master private key. In my ...
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1answer
286 views

Default derivation paths

I'd like to know all of the default derivation paths used by both software and hardware wallets for bitcoin. According to https://iancoleman.io/bip39/?#english, the following are defaults: m/0'/0' (...
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1answer
193 views

Possible attack vector of BIP32 HD wallet

I've been reading about BIP32 HD wallet and it's implementation and came across a few questions regarding the possible known "attack" vector of leaked private child keys and known xpub parent key ...
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1answer
67 views

Can't generate same addresses as bitcoincore using xprv from bitcoin-core

First of all all addresses below are for testing purposes so I don't care about private keys. So dumped wallet created by Bitcoin-qt v0.16.2: extended private masterkey: ...
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1answer
24 views

What is the typical size for an extended public key?

What is the typical bytesize range for an extended public key? An extended private key?
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1answer
24 views

Are HD wallets, with multiple hierarchies, supported across all crypto-currencies?

Suppose I want to create an arbitrary tree deriving from one master secret, with an arbitrary structure, with some branches being arbitrary different crypto-currencies (e.g. BTC/ETH/XRP/...). Is this ...
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1answer
20 views

bitcoin transfer without creating wallet

My question is about transferring bitcoin between two addresses without having a wallet. Here is my idea of transferring bitcoins in following way: Idea: I have my own Android Application. I am ...
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1answer
57 views

What's the difference between xpub and bpub?

I've seen and extended public key such as the one below xpub661MyMwAqRbcFLCsW67CH9AgprkK2MbeLbmdMiBRWb1Wamm6GjGhTFQChvPmwQGQh78MMd8Eu7CLJ7FEuwhsomD66XC74VnfgHdEx1NFSKL But now I've seen a bpub ...
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1answer
168 views

BIP-32 - how can parent extended public key exposed parent extended private key?

The below is the snippet from bip-32. I do not understand under what circumstance would 'parent extended public key' be exposed? In the case of e-commerce a 'child extended public key' is derived from ...
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1answer
148 views

How to create wallet in Electrum programmatically?

I want to create new wallet using Electrum-apis. I have gone through the documentation given here but didn't found any method to create a new wallet or an address. Can someone please clarify how I ...
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2answers
77 views

Does Electrum use Bitcore Apis as it's backend?

Does Electrum use Bitcore Apis as it's backend or not? If not, then what is the purpose of developing Electrum when Bitcore Apis provides all the features Electrum has (like HD wallets and master ...
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1answer
316 views

Does Electrum provides any API?

Does Electrum provides any API? If yes, please let me know if there's any dedicated documentation available. Also, does Electrum support Bitcoin Cash? Purpose: I want to integrate Electrum into my ...
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0answers
52 views

What are segwit extended key prefix bytes for regtest?

I need the HD version bytes for equivalent of ypub, zpub, Ypub, Zpub but on the regtest network. I also need Ypub on testnet. All the rest I can find in slip132, but it is incomplete. thanks.
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0answers
19 views

Wallet creation using Bitcore API

Is Bitcore's HDPrivateKey same as creating new wallets? Please refer the API document for details.
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1answer
88 views

How Master seed is generated using Bitcore API?

Can someone please explain how to get Master Seed when a new HD keys is created using Bitcore APIs? My purpose is to implement wallet service in my application using Bitcore APIs. Refer this link ...
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3answers
341 views

How to link a bitcoin address to a wallet address?

BitGo has a feature where you can have multiple addresses under a wallet. The wallet also has its own address. Now suppose I have two addresses under my wallet. This means for any user to send me BTC, ...
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1answer
83 views

Trying to understand parent fingerprint in HD wallets

I'm trying to implement a barebones HD wallet generator in C#. I'm starting with a mnemonic and derivation path m/0' and want to generate BIP141 p2wpkh-in-p2sh addresses. Obviously for the Master ...
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2answers
111 views

HD Wallets Difference between a CKDpub and CKDpriv from the path notation

I' m still trying to grasp the conventions used in HD wallets, so I have a couple of questions: What's the difference between CKDpub and CKDpriv from the path notation. What I know is the path just ...
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1answer
189 views

HD Wallet Child Private Key Derivation Function

I was trying to understand the specs on CKD function from both the bip32 standard and Mastering Bitcoin book, I couldn't understand how a private key is derived from the left side of the extended key. ...
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1answer
293 views

In HD Wallet recovery how does the wallets know which addresses to recover

I have been reading the BIP32 proposal explaining how HD works but it didn't mention on any point how one wallet in one phone can recover from a simple mnemonic seed. Does it just try all possible ...
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1answer
167 views

Using seed to send bitcoin from a wallet's specific private key

I'm new to bitcoin and I've recently been reading on the concept of wallet. If I understand correctly, a wallet is a collection of one or more pairs address + private key (an address is where BTC can ...
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1answer
26 views

Custom bitcoin confirmation process

I am implementing a payment module for bitcoins. I have the following case. I need customers to be able to pay in bitcoins. But for some reasons I cannot use existing solutions like Bitpay. ...
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1answer
243 views

Does Ripple has support for HD wallets?

I know Bitcoin supports HD wallets. In simple terms, child keys are generated for the private and public keys. And the child key can be used to restore a wallet. I was wondering whether this kind of ...
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0answers
27 views

Moving wallet without the funds

I've been trying to recover an old ninki wallet to mycelium by using the 12 words. The new walled is being created successfully but I see no funds. I tried to run the ninki-recover script with no ...
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2answers
450 views

BIP44 and change addresses

I always wondered why BIP44 HD wallet differentiate between internal change addresses (m/44'/0'/0'/1/*) and external receiving (m/44'/0'/0'/0/*)? Why do some wallets advice me not using internal ...
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1answer
110 views

BIP32 Neutered function

Can the following be clarified, where I am wrong: The Xpriv can derive a hardened xpriv. It can also derive a non hardened xpriv, which we will use with the neutered function to make it an xpub. ...
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2answers
100 views

If Two Cryptocurrencies use different curves, Can They be in the same HD Wallet?

I was looking through some code for HD Wallets and I saw that they used curve param.N which is specific for whichever curve is used. Does this mean that when using HD Wallets to derive Private keys, ...
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1answer
219 views

SPV Wallets vs API Wallets - Pragmatic

From what I know, the only advantage of an SPV node compared to a API Node, is the increase in privacy. SPV nodes take up more bandwidth, in order to stay synced with the current chain and in some ...
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1answer
81 views

Does copay accepts multiple payments?

I am a bit confused as to whether copay wallet accepts multiple payments to a single address based on the phrasing "wallet generates new addresses automatically once you use a bitcoin address once"......
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1answer
370 views

How Do HD Wallets Keep Track of all accounts?

If a HD Wallet generates 1,000 accounts for example. How would they keep track of all of the account's balances, if someone for example, paid into the 455th account, they would want to update the ...
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1answer
526 views

What is the difference between the mnemonic and the private key?

My thinking so far: If I have a private number, then I can use that as the private key. If I have a mnemonic, I can match up each word to a number in the wordlist to get the seed, which is the ...
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1answer
1k views

How do HD wallets use mnemonic to recover all private keys?

As I understand, a wallet like BRD wallet can have many private keys and receiving addresses. When I give them the mnemonic, how do they re-generate all of the relevant private keys from that ...