Questions tagged [bip-32-hd-wallets]
BIP32, or Hierarchical Deterministic Wallets. https://github.com/bitcoin/bips/blob/master/bip-0032.mediawiki
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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
35 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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0answers
8 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 ...
4
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1answer
58 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
24 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
55 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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0answers
59 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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0answers
82 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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1answer
55 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)...
0
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1answer
64 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 ...
0
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1answer
31 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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1answer
78 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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0answers
146 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
59 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
votes
1answer
125 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 ...
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3answers
254 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
285 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
163 views
General private/public key generation
Not sure if this is the correct forum to ask, but I couldn't find a general one for all cryptocurrencies
I wanted to get an idea on how the whole cold-storage private/public key generation works for ...
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1answer
81 views
Can I recreate the xpub key if I have multiple public addresses with their corresponding private keys?
Is it possible to recreate the xpub key if I have multiple public addresses with their corresponding private keys? All the keys were created from the same HD wallet.
I was hodling and watching my ...
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vote
1answer
186 views
Is there a list of coins that are bip-32 compatible?
BIP 32 allows me to derive keys based off a root key pair, and all these keys will be on the secp256k1 curve. That means I'll be able to use BIP 32 for other coins that are also based on your curve.
...
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1answer
341 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
44 views
Is auditing a BIP32 tree only possible if it is non-hardened?
BIP 32 allows you to to implement the auditor use case:
Audits: N(m/*) In case an auditor needs full access to the list of
incoming and outgoing payments, one can share all account public
...
2
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0answers
78 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.
1
vote
1answer
265 views
BIP 32 child key derivation “stops working” after a certain index (i)
Here's my code to get a child public key from a parent HD key. I adapted it from freedomnode:
public function address_from_master_pub($path = '0/0') {
if ($this->xpub === NULL && $...
1
vote
1answer
360 views
Golang how to derive address from bip32's xpubkey?
i'm trying to derive HD address of bitcoin using Golang. I have extended private/public key. The problem is i'm unable to find any library in Golang that can generate/derive address from the xpubkey/...
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vote
1answer
89 views
Access custom BIP32 paths on trezor
So I really have 2 problems now:
I took xpub address for Dash from trezor and used it with blockcypher API to generate addresses with paths like m/0, m/1, etc
I sent some money to that addresses and ...
1
vote
0answers
31 views
Lightning Network: are all keys pre-generated in the base row of the merkle tree?
From the whitepaper, page 41:
Keys are generated in a merkle tree and are very deep within the tree.
For instance, Alice pre-generates one million keys, each key being a
child of the previous ...
1
vote
3answers
1k views
How to generate public and private key pairs from the 12 seed words in python
I basically followed the instructions here How to generate mycelium addresses from the 12 words in python
So my code is similar:
from bip32utils import BIP32Key
from bip32utils import BIP32_HARDEN
...
2
votes
1answer
87 views
How are bip44 coin identifiers assigned?
There is a list of bip44 identifiers for altcoins here.
It uses the term registered coin types. My question is, is there anything in code for each coin that the bip44 number is derived from, or this ...
1
vote
2answers
148 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 ...
0
votes
1answer
302 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.
...
4
votes
1answer
462 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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0answers
162 views
Custom derivation path
Instead of using bip32 or bip44 paths what if I use a custom derivation path,
For example: m/0/0/55/1/1/0
I am thinking even if the private key is exposed then can someone guess the derivation path ?...
2
votes
1answer
755 views
How to generate a Litecoin testnet addresses (Segwit also) (Derivation path, bip32)
I'm creating a wallet that generates address for litecoin mainnet in two ways.
One is using bitcoinjs-lib. This library has an object with all the data need it to create private keys and address:
...
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0answers
27 views
How to get private key from 12-word backup and public key? [duplicate]
It turned out, to one 12-word backup, billion address could belong. It is not always sure app like Copay found all the address contains money.
Is it a way to infer the private key from 12-word ...
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1answer
147 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
118 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, ...
1
vote
1answer
621 views
BIP44 external and internal accounts
Below I may be a bit verbose, so that if my understanding is wrong, it will be glaringly obvious.
Consider two external accounts:
The external accounts are used to receive bitcoin. When we search ...
2
votes
1answer
340 views
What does 44' mean in BIP44?
After reading BIP44, I saw
Purpose is a constant set to 44' (or 0x8000002C) following the BIP43
recommendation.
I believe 0x8000002C is 128 as an integer, how does this equate to 44' however?
...
0
votes
1answer
131 views
bitcoinTestnet Network returning a mainnet address
I'm using this code to get a new address from an extended public key:
$index = 97;
$change = false;
$key = HierarchicalKeyFactory::fromExtended($tpubaddress, NetworkFactory::...
4
votes
1answer
557 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 ...
2
votes
2answers
2k views
How to generate a new extended public key (xpub)?
I have a need to generate a new extended public key (xpub).
Examples:
xpub6CUGRUonZSQ4TWtTMmzXdrXDtypWKiKrhko4egpiMZbpiaQL2jkwSB1icqYh2cfDfVxdx4df189oLKnC5fSwqPfgyP3hooxujYzAu3fDVmz
...
0
votes
2answers
225 views
BIP 44 master private key sign tx
I have this Bip44 path implemented
m / purpose' / coin_type' / account' / change / address_index
Is it possible to use the Master private key to sign all the tx
ie. Bitcoin TX, Etherum TX
or do I ...
0
votes
1answer
157 views
Electrum 2of2 multisig both cosigners share the same priv key
I set up this wallet on the same machine online. Thinking that was it, it was only until i sent funds to this wallet and tried to spend them that i could only partially sign the transaction.
I opened ...
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votes
2answers
491 views
BIP32 recommends a 256 bit seed. Why do most Bitcoin wallets only use a 128 bit seed?
According to BIP32's "Master key generation" section, "256 bits is advised".
See https://github.com/bitcoin/bips/blob/master/bip-0032.mediawiki#Master_key_generation
Why did BIP32 consider 256 bits ...
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1answer
182 views
Does BIP44 key derivation path protects private keys derived within same account?
I understand that with
Un-hardened parent extended public key
child private key
This will leads to compromise of parent private key and so all the private keys of siblings
BIP44 suggests the path
...
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vote
1answer
680 views
How many combinations are there from the BIP32 mnemonic list?
As I understand for BIP32. There are 2048 words.
12 words would give you 2048^12 combinations. However, not all combinations are valid because of the checksum, so how do i calculate the actual space?...
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1answer
196 views
Public Chain Code and MPK
When the Master Private Key and the Master Public Key are generated, can I disclose the chain code as say BIP32? If not, how can is possible verify a child public key with public parameters?
This is ...
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votes
1answer
61 views
Can I retrieve funds in a derived address with a high index?
I sent funds to a derived address, but I didn't know about the gap limit and how the addresses should be used incrementally. I've used a huge value for the index but wallets only check the first few ...
0
votes
1answer
428 views
How can i switch from BIP32 to BIP44 using bitcoinj
i am working on a wallet that is using BIP32 for creating Accounts, addresses, xpub, public keys, transaction and etc. but now i want to switch from BIP32 to BIP 44. how can i do this using bitcoinj i ...
