Questions tagged [address-generation]
Collects technical details on the process of creating new addresses.
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1answer
20 views
How to generate a large number of accounts via hw wallet and save addresses to file?
I work in a company which uses a ledger blue hw wallet. They need to generate bitcoin and eth accounts to send to users to deposit to. Currently they have people generating one account at a time in ...
2
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1answer
73 views
Using Python: create a private key of my choosing, then generate public key and address
I'm looking for a simple, easy to use Bitcoin library for Python.
What I want to do is verify I can enter a hex private key that I want, and get the expected pubkey in compressed format, and the 1Btc....
0
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2answers
28 views
What is the difference between your address and your public keys
I'm beginning to learn about cryptocurrencies, and I'm having a lot of trouble because some terms are used in different contexts. I know that public keys are generated through a private key. So, are ...
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1answer
8 views
Is it required to broadcast the addresses generated locally to the bitcoin network?
Like the transactions are broadcasted to the bitcoin network , is it required that locally generated addresses also need to be boradcasted to the bitcoin network ?
3
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1answer
73 views
Where are new addresses stored?
When a user generates an address using Bitcoin Core, is that address by default stored on the blockchain or will it only be stored after it is used in a transactions
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1answer
42 views
Adding an external key pair to a local bitcoinj wallet
I need to add a vanity address to a local wallet that I maintain using bitcoinj APIs. I'm not able to search for the vanity using bitcoinj APIs directly, on my local PC, because my vanity is too fancy....
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1answer
62 views
Generating private key/bitcoin address based on a “password”
Since the private key is basically a random large number, would I be able to pick a password and have that converted into an address?
For example: pick "mysecretpwd". Have it sha256ed, obtain a large ...
0
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1answer
30 views
Why bitcoin addresses have different number of characters?
With the help of bitcoin wiki I learned that every bitcoin address stands for a number and that shorter addresses are valid just because they happen to start with zeros, and when the zeroes are ...
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1answer
124 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
31 views
Bitcoin explorers don't show my addresses transactions
I'm creating bitcoin addresses for a wallet we're building. To make sure the addresses are valid I went to a couple of bitcoin explorers and they reported, correctly, that the address does not have ...
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1answer
44 views
Is there any way to revoke or update private key?
Suppose my private key corresponding to an address is stolen.
Is there any way to revoke private key or update the private key?
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1answer
52 views
Print all states of getting from a random 256 bit private key to a corresponding encoded BTC address
I wonder if it is possible to print what's going on under the hood regarding the process of getting from a random binary number to a BTC address.
It will look something like this:
Input: a random ...
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1answer
41 views
Whether I have to scan all types of addresses to discover BIP44 wallet from mnemonic?
Let's assume that I am going to create a new address in bitcoin HD wallet knowing only mnemonic words and that previously addresses were generated according to BIP44.
BIP44 gives an algorithm how to ...
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2answers
67 views
Can one recover the full list of public keys generated in electrum with the seed/private key?
I used the wallet.change_gap_limit command in the electrum console in order to generate some 20.000 public keys.
Would I be able to recover all of these using my seed after completely removing ...
1
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1answer
89 views
OpenSSL bitcoin addresses generation
Using OpenSSL ver 1.1.0h on win 8.1 - 32 bit
Im trying to recreate this post using cmd: OpenSSL generate Bitcoin address
But on step 3:
openssl ec -in c:\keys\private.pem -outform DER|tail -c +8|...
1
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1answer
116 views
bitcoin address from xpub key
I want to create bitcoin address from extended public key, without exposing private key but did not get any success till now. Do someone know how to do it? I am using bitcore-lib package
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1answer
126 views
How to generate a dash address?
How can I generate a simple dash address from a public key?
How many address formats are there in dash?
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1answer
195 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 && $...
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1answer
185 views
Number of Trials Required For Brute Force Attack To Have x% Of Success?
I'm making an informational video about how unlikely it is for an attacker to successfully brute force a specific bitcoin address. Obviously, it will deal with impossibly huge numbers ("not in earth's ...
2
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1answer
50 views
Checking the first and last characters of a cryptocurrency address?
When confirming that an address entered on a site/app is what I expect it to be, I often check the first and last 3-4 characters to see if they match.
Is this practice dangerous? Could an attacker ...
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0answers
44 views
What's the difference between all kinds of bitcoin addresses (Single, multisig, etc…) also compared to all bitcoin forks?
Bitcoin addresses start with 1. Multisig/Script addresses start with 3. Other forks of bitcoin have single letters that are different at the beginning. Is this letter simply and only prepended to the ...
2
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1answer
83 views
Hypothetical Scenario - Address collision with address with already confirmed outgoing transaction
In a typical case of finding a collision with an address, as long as the private key provided has a consistent public key that hashes to the address, then the coins in that address can be spent. The ...
0
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2answers
53 views
How to generate an address for bitcoin?
I installed bitcoin core and I am generating an address using getnewaddress. To get the private_key of the address I am using dumpprivkey. To get the unspents I am using listunspent. Till here ...
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1answer
52 views
Can I generate an address without using bitcoin core?
I am running bitcoin core in my mode. I am using getnewaddress to generate an address and then I am using unspent to get the unspent of an address which returns the unspent successfully. If I created ...
1
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1answer
70 views
How are 21 words seeds generated
Apologies for the noobie question.
I was wondering how a range of wallet addresses (eg. BTC address 33ELbMhwHw5AaKHU4u3MzVSFvvK7aa7HZL) is algorithmically converted into seeds (eg. 12 words). Any help?...
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1answer
135 views
Generate QR code for multiple cryptocurrency addresses
I want to generate my own QR code with my main cryptocurrency addresses without using an online solution, is there maybe a command prompt way or particular piece of software I cam download for this, ...
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1answer
350 views
How to generate a native Segwit address and P2SH Segwit address from a standard WIF?
Can I have the steps to generate a native Segwit address from a standard WIF? And the steps to generate a P2SH Segwit address from the same WIF?
How do these two formats differ and why are there two?...
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1answer
260 views
Benefits of generate address from sha256 hash than random address
Is there any benefits (eg: better security) of generate a address from SHA 256 hash vs generate a random hash?
Generate adress from a SHA 256 hash
var value = Buffer.from('correct horse battery ...
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1answer
721 views
python-bitcoinlib | Create Private Keys, Public Keys and Addresses - How to Do It?
I'm trying to use the python-bitcoinlib library but its docs aren't entirely clear to me.
I'm a programmer but quite new to Python, and not very versed in the Bitcoin protocol.
What's the process, ...
2
votes
1answer
530 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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1answer
599 views
How can I generate bitcoin cash addresses programmatically? [duplicate]
If I'm a mobile developer who wants to integrate bitcoin cash in an app, how can I generate Bitcoin Cash addresses programmatically, without relying on a 3rd party service, like Coinbase?
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3answers
692 views
ELI5: What is Base58Check encoding?
I've seen posts on how to do it and I've read the wiki on what it is, however these explanations are too complex. Can someone explain what it is and why it's called Base58Check encoding? Are addresses ...
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0answers
110 views
bitcoinjs-lib seems to skip a step in deriving addresses from a BIP 44 wallet
According to this wiki page to create a bitcoin address,
1) you have your public key of the properly derived path
2) Then SHA256 it
3) Then RIPEMD-160 it,
Add version byte at the front and boom ...
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0answers
661 views
How login in Bitcoin wallet using private key
We're working with a ICO project based on NEO Blockchain. We've requirement of getting payments through NEO, ETH and BTC. We're using deposit address concept to get payments from the users, and for ...
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2answers
198 views
base58 cannot get 34 chars results (as Bitcoin address does) but 68 chars
I am trying to convert public key hex to Bitcoin address.
From this website http://gobittest.appspot.com/Address, I can do some test.
For example, I have this public key:
...
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0answers
85 views
Would it be possible for an 8-bit microprocessor to create a bitcoin keypair?
Context for question: With the latest security breaches around modern CPU's (Spectre / Meltdown) I was wondering if we could generate ECDSA keypairs on cheap, small and/or simple air gapped (micro)...
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1answer
149 views
Zcash wallet generation
How to generate Zcash address and private key by a mnemonic seed, in nodejs or python?
Is there some lib like bitcore-lib or ethereum-bip44?
0
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1answer
96 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::...
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1answer
74 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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2answers
1k views
How to generate a new extended public key (xpub)?
I have a need to generate a new extended public key (xpub).
Examples:
xpub6CUGRUonZSQ4TWtTMmzXdrXDtypWKiKrhko4egpiMZbpiaQL2jkwSB1icqYh2cfDfVxdx4df189oLKnC5fSwqPfgyP3hooxujYzAu3fDVmz
...
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1answer
31 views
Are wallet address generators considered a dapp? like bitaddress or warp wallet?
Is bitaddress or warpwallet generator considered a dapp? They aren't tied to centralized server when you use the application to generate your own addresses and it can run by itself.
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1answer
693 views
Is there a way to generate new addresses for someone else's wallet?
I thought I saw this feature existed somewhere but I can't find the reference.
Use Case: Alice needs to keep sending multiple bitcoin transactions to Bob, and wants to use a different payment address ...
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vote
1answer
148 views
Why does my implementation of hex to Base58check produce different results than the example?
Step 8 of this wiki page gives this hex value: 00010966776006953D5567439E5E39F86A0D273BEED61967F6
Step 9 converts it to this base58 string:16UwLL9Risc3QfPqBUvKofHmBQ7wMtjvM
I'm trying to implement ...
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0answers
37 views
Why does the bitcoin wiki's guide on building bitcoin addresses seem to have the wrong hashes?
I'm trying to follow this wiki on bitcoin address creation, but I'm getting different results when I walk through it myself
Starting from step 4, we have the extended RIPEMD-160 hash ...
0
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1answer
354 views
How do you output segwit bech32 (bc1…) / P2SH (3…) addresses from a bitcoin private key?
I have a bitcoin private key and know that it can output a segwit addresses of bech32 bc1... and p2sh 3... formats. How can this be done easily?
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1answer
383 views
How to sweep a segwit bech32 private key?
I'm testing segwit bech32 addresses and generated the following using bitcoinjs:
address: bc1qc7u5njf4nf2rj3zys642mfc7nct6kdven8j4e9
private key: 5Kkzs8XrJNAmf9VQDFeGBfaRvSByAvPK6DbDXw5BVqswWaXSG2Y
...
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1answer
292 views
how bitcoin core generate addresses?
how does bitcoin core generate addresses and where can they be found in the data directory?
0
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1answer
58 views
Subscription-based payments
I'm writing a web application that will require subscription fees from users. I'd like to automate this process without relying heavily on 3rd party services (web-based wallets, etc).
Currently, this ...
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vote
1answer
41 views
Generate cryptocurrency addresses on server
I want to generate cryptocurrency addresses (e.g. for top 10 cryptocurrencies on CoinMarketCap) on my server and be able to send transactions when deposit arrives. Can I do that with CLIs or there is ...
0
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1answer
115 views
New address generation on exchange services
Services like ShapeShift generate new addresses for each transaction. It is not clear how to they do that. I didn't find any API that supports address generation for such a big amount of coins like on ...
