Questions tagged [address-generation]

Collects technical details on the process of creating new addresses.

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568 views

Bitcoin address generation and UTXO scanning

I'm developing bitcoin payment processing application. I've two question to ask: In each bip32 address, How much UTXO each address should have to consider generating new address to avoid address re-...
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1answer
72 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
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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 ?
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1answer
96 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
140 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 ...
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3answers
860 views

How do you generate a receive address from a string? [closed]

I already have a an address with Bitcoin and would like to generate a receive address using SHA256 hash which is based on a string. I've found an example of creating an address using a SHA256 hash: ...
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1answer
434 views

What is the format of a bitcoin wallet?

I was wondering how bitcoin public and private keys are generated. E.g., a certain number of characters etc. And how one could tell a litecoin address from a bitcoin address for instance.
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3answers
588 views

Bitcoin Gold Ledger Derivation path

What derivation path for creating addresses is used in Ledger for BTG? Generated address from the device doesn't correspond the address from the path m/44'/0'/0'/0/0 that is shown for BTG in BIP39 for ...
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1answer
91 views

what prevents from address generation to accidentally use an existing one? [duplicate]

How come bitcoin addresses are created in a split second on my wallet app? what promises the address doesn't override a current existing address? I guess the same question applies for a private key...
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81 views

Which code part in bitcoin-core project generates new bitcoin addresses?

i am trying to find out which c++ code in https://github.com/bitcoin/bitcoin is responsible for generating bitcoin address and private key.
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64 views

Bitcoin BTC wallet receive addresses

I want to create 100 to 500 to 1000 BTC receive addresses. It should not expire. Is it possible ? Is it possible in Bitcoin core ?
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HD addresses and traceability question

Say I have 1 underlying Bitcoin address, and it has receiving address A and B, and they both received 2 BTC each. If spend 3 BTC then A and B would have spent together so it's probably traceable. What ...
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1answer
59 views

Deriving payable address from mnemonic using BIP44

I'm trying to go from seed phrase/mnemonic to payable address using BIP 44. Here is a simplified version of the code I'm using. However, when I compare with https://iancoleman.io/bip39/ the private, ...
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1answer
85 views

How to create a physical/paper backup for bitcoin-core wallet?

I am using bitcoin-core for my offline storage. In electrum I can do a paper backup by writing down the mnemonics. bitcoin-core seems to be using a different mechanism to generate the wallet. What I ...
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1answer
152 views

I bought bitcoin years ago and now the website that I bought from is unavailable!

I bought bitcoin years ago and now the website that I bought from is unavailable! I only have a key that I don't even know whether it's a public key or a private key or some useless key generated by ...
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1answer
49 views

Two kinds of Bitcoin addresses issued with bitaddress.org

I forked the bitaddress.org repository and generated a new paper wallet. On the output page there are two addresses generated: one "regular" and one "short address". Both start ...
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1answer
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Three different HEX having same wallet address how possible?

HEX1: 1111111111111111111111111111111111111111111111111111111111111111 public key: ...
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1answer
80 views

Generate my own public/private key to secure my bitcoins

I have a few bitcoins on a bitcoin platform (Kraken). I do not trust any bitcoin platform. I want to own my bitcoins. I do not trust Ledger devices too. What i want to do is to generate my own ...
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2answers
224 views

Generating Bitcoin address from private key in browser console

I am a newbie Bitcoin evangelist and I have a recommendation to see all the code responsible for computing yourPublicKey from yourPrivateKey, especially for big deal addresses. The easiest way to ...
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1answer
857 views

How to generate sub addresses belonging to one private key

We're creating a platform to buy/sell Bitcoin. We need to generate a new child address for each customer allowing them to receive Bitcoin. But all incoming Bitcoins should be stored in our main ...
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1answer
402 views

How To get Address Public Key from Account XPUB?

I am little bit confused or not able to get the right Address Node Public key from Account XPUB. What I have done : Get the Account XPUB [78Bytes] SHA-256 SHA-256 Again Created Extended XPUB (XPUB ...
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2answers
503 views

Is there an equivalent to the Xpub/Zpub for multisig wallets?

When I have a typical wallet, I can give my Xpub to someone to generate addresses whenever they need. ("they" here could be an instance of BTCPAY server or some other application that I don't want to ...
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1answer
109 views

Bitcoin core does not produce a wallet at all

I'm reading tutorials on working with bitcoin core like this: http://bitcoindaily.org/bitcoin-guides/bitcoin-core-tutorial/ and http://bitcoindaily.org/bitcoin-guides/how-to-recover-bitcoins-bitcoin-...
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1answer
65 views

Are Relay Addresses Possible?

Is it possible to create an address such that different parties can spend certain portions of any output spent to that address? R: 1zaybxcrandrelayexampaddr A: 1xyzabcrandexampladdressa 97% B: ...
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1answer
322 views

Are addresses which start with 3 multisig addresses?

I've just downloaded bitcoin-core 0.17.1 and it seems all the new receiving addresses I create start with 3 instead of 1. I always thought addresses which start with 3 were multisig addresses. ...
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1answer
69 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 ...
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2answers
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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
213 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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1answer
720 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
398 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?
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1answer
94 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
656 views

how bitcoin core generate addresses?

how does bitcoin core generate addresses and where can they be found in the data directory?
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1answer
63 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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1answer
221 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 ...
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1answer
399 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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1answer
255 views

How does Bitcoin Core know that your private key relates to your public address? Are the private keys stored?

When a user creates an account on Bitcoin Core, he is assigned private keys. And he needs to use these private keys in order to send transactions onto the network. Does Bitcoin Core store these ...
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1answer
128 views

What is the likelihood that an xPub child address is not owned by the same xPub address holder?

Kind of an odd question, and I'm pretty sure the answer is, "extremely unlikely," but wanted to see what the community thought. Secondary question: How sure can one be that the addresses ...
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1answer
589 views

Use old legacy bitcoin private key generated from 2012 to generate a segwit address

The old legacy addresses starts with 1 and the new ones start with 3 and bc1. Can I use my old private key from 2012 to generate a bc1 address? And how so?
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1answer
406 views

how to get change address using derived BIP44 publicKey?

I have generated a private key using my master seed private key. PHP Code: $bip44 = HierarchicalKeyFactory::fromExtended($result['masterPrivKey']); $publicKey = $bip44->derivePath("m/44'/0'/0'")...
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1answer
390 views

How can I recover private key as coins were sent a random generated address on wallet?

There is a new address where the coins reside and asks for a private key. How can I send coins from this new random address without knowing the private key? Software: http://www.sollico.com/...
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1answer
97 views

how does bitcoind functions in bitcoin exchange model?

i mean exchange allows every users a unique BTC deposit address different users sends btc to different addresses but BTC endsup in same wallet can i create multiple receiving address by bitcoind (...
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1answer
124 views

How do wallets know that address is not duplicated if I'm going to make one? [duplicate]

Let's assume that I'm going to make a wallet through Electrum that has some Bitcoin address. So then, How Electrum do know that is not duplicated(Already owned by another person)? Are we just ...
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3answers
1k views

How to create Ethereum brain address? [closed]

I have used bitaddress.org to create a brain wallet for my Bitcoin. Now I would like to create a brain wallet for my Ethereum using Bitcoin Improvement Proposals (BIP) 32/39/44/49 technologies. Is ...
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1answer
698 views

Is a Bitcoin address guaranteed to be unique? [duplicate]

I may have misread this but apparently every time you generate an address it is not checked against any other addresses generated? The reason being the sheer scale of the amount of possible addresses ...
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1answer
419 views

After generating my own private key, what's the proper way to add it to official wallet software?

I've got some Go code that successfully generates private keys and vanity addresses as described by the wiki. So I have all the parameters around the private key but I'm not sure what to do with that ...
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1answer
906 views

How to make sure, Bitcoin private key and bitcoin address generator tools are generating valid key pair?

I find lots of tools/scripts written in python which can generate random number then using this random number it generates Bitcoin Private key(WIF) -> Bitcoin Address pair. I have tried verifying ...
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1answer
18 views

Is it possible to get a service provider , which provide stable, not-changeable BTC address.

My new employer prefers Bitcoin as the way of salary payment, but the address keeps changing, is it possible to get a non-changeable on, or is there is any other way to transfer bitcoins from one ...
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1answer
53 views

Can you reset 'used' addresses that were actually never used?

Bitcoin RPC command getnewaddress returns a P2PKH address from the keypool, and marks it as "used" so it will not be returned by the same RPC call again. I'm going to be doing a lot of testing on ...
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1k views

Generating Ripple address

I am trying to recreate the Ripple address from Account Family wiki page and I am having some problems. I have the private generator of ...
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1answer
148 views

Sequence of events that can cause lost money in MultiBit

If you create a new address in MultiBit, then transferred money to the new address before the wallet was backed up, then your hard drive crashed, will you lose the money? The first Bitcoin client had ...