Questions tagged [address-generation]

Collects technical details on the process of creating new addresses.

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1answer
537 views

Algorithm to go from seed to 20 (or more) addresses

I'm currently reading the Electrum sourcecode to figure out how to go from seed (12 words) to addresses (in usual format). Does someone have the big picture of this process in mind? More precisely I'...
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0answers
928 views

how to get the private key for an used address ?

I have used an address generated by Exodus wallet. whats happened is that my bitcoin confirmed but didn't receive any thing on Exodus wallet. I want now to import private key in another wallet. but ...
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1answer
314 views

Bitcoin wallet address format representation

I want to send coins from my ether wallet to another bitcoin wallet that I have got. I entered my bitcoin wallet receiving address, but MyEtherWallet transaction convert it to another address format ...
3
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1answer
590 views

How to find the wallet balance?

I'm trying to find the balance of specific addresses in a wallet. I basically have the master key which I use to generate addresses but I wonder, is it possible to find the derived addresses that have ...
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0answers
128 views

Why bitcoin does not generate and support Segwit addresses by default automatically?

I downloaded the latest bitcoin core, but the generated wallet and address was not a segwit. Why bitcoin core, does not support segwit by default? and when it will be changed?
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1answer
93 views

What's relationship to each address other in Bitcoin Core?

I just made two and more address in Bitcoin Core wallet. Is there any relationship to each address? Like based on seedphase? or Just literally making 'random' address? If so, an attacker can hack ...
3
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2answers
4k views

How is a Litecoin address generated?

How is a litecoin address generated? What hashing do they use? For example, bitcoin addresses are generated like so: https://en.bitcoin.it/wiki/Technical_background_of_version_1_Bitcoin_addresses I ...
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1answer
357 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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2answers
2k views

How does bitcoin core generate a receiving address without using my private key?

I downloaded bitcoin core from github. Now I have imported the complete blockchain and am examining the bitcoin core interface. If I click on >File >>Receiving addresses I see that bitcoin core has ...
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2answers
435 views

Why Bitcoin address are 25-34 bytes long when RIPEMD 160 & SHA-256 are only 20 bytes and 32 bytes long respectively?

(I'm new to Bitcoin & it's technology so correct me wherever u can) .Recently I was reading about Bitcoin and it's underlying technologies. I came to know that for generating addresses Bitcoin ...
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1answer
293 views

Get wallet address when creating wallet with blockchain API

Using the API endpoint http://localhost:3000/api/v2/create I get this response: {"guid":"58671a54-7d60-4319-8742-b06fb2a8d060","address":"...
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1answer
94 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
892 views

Replacing ECDSA (SECP256k1) with Schnorr signatures

On March 23, 2017 the Bitcoin Core team published a technology roadmap, expressing their intent to replace ECDSA (SECP256k1) with Schnorr signatures: https://bitcoincore.org/en/2017/03/23/schnorr-...
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2answers
6k views

How to get bitcoin address of any private key?

calling bitcoin-cli dumpwallet returns wallet private keys and addresses. Example L34D2hAS9KBJQzJkHtmNt1bdSJ18cQUvfSnJEqPKH2oUj6sBxvXt 2017-11-23T05:11:13Z reserve=1 # addr=...
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0answers
115 views

how many unique bitcoins address can be generated in one address pattern

Example address prefix given below 12cgpRC5r7zakGBfRGf5RQfGCgTnp7K1Yb 12cgpFkDMJXdwck9YHrrFsWP8PgxXjtBS7 12cgpcjw2628NPAPMvzSWF9Vh2tcUJrpAa 12cgpDmDJnugoRHeAfief7KSiUFvNPF5MY ...
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3answers
466 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
839 views

How to generate bitcoin addresses on the command line or with python?

Is there an easy way to generate bitcoin addresses with a commmand-line tool? I am interested in the following requirements: Reliable, secure and standards conform, with good entropy Generates ...
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1answer
86 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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1answer
96 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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2answers
1k views

How can I generate a Bitcoin address from a 12 word seed without using a computer?

I have a 12 word seed and I want to generate an address without exposing it to any computers. How can I accomplish this?
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3answers
347 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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0answers
236 views

How do you regenerate all 2-of-2 multisig addresses from two xPrivkeys?

If I want to get the private and public keys of all transactions that have happened on my multisig wallet. How would I do that? It's a 2-of-2 multisig setup. I have an xPrivkey on my computer and an ...
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1answer
417 views

Generate Bitcoin Address JS Step-By-Step “Invalid Address” Error

I am following the process for bitcoin address creation as outlined in Mastering Bitcoin, however, when I try to reference this address in my bitcoin-cli, which is set to regtest, it responds with an ...
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2answers
852 views

Generate keys/addresses for all altcoins

I'm looking for a library or method to generate addresses for as many of the most popular currencies/altcoins as possible. Is there a known library that supports this? Or do I need to use a specific ...
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1answer
1k views

Generate paper wallet SegWit address

I am trying to generate SegWit paper wallet address from WIF: My WIF is L5mHKZsCLS27nSoGM3RdAwuxjvg7XhJdP25LgqdXe6zF11wpWdbT. I am converting WIF to compressed public key: Compressed public key: ...
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3answers
5k views

How to generate bitcoin P2SH WIF key and address pair from sha256 private key?

lets say i have sha256 Private Key Hexadecimal Format 0000000000000000000000000000000000000000000000000000000000000001 how can i get P2SH address and its corresponding WIF private KEY ? by P2SH i ...
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0answers
122 views

What is the easiest way (user experience wise) to get xpub?

I'v got monitoring app going for my hardware wallet and am planning to release it to public. Biggest pain point right now is asking users to enter their xpub key. It can be done, but there is no ...
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1answer
485 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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2answers
4k views

bitcoind deamon create new account for every user

I'm new to this bitcoin and seems confused a little. I need a system where I need to create new address for every user(personal account) where they will transfer some bitcoins to it and buy some ...
2
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2answers
1k views

BIP44 generation tool has Account xpubkey & bip32 xpubkey, what's the difference?

recently i played with the tool generation of HD address on https://iancoleman.github.io/bip39/. after input mnemonic code and check the derivation path, why is there Account Extended Public Key & ...
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1answer
295 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
813 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 ...
2
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0answers
73 views

Managing the bitcoin address gap

We're in the process of setting up bitcoin payments to fund accounts in our system. Using the C# BitcoinLib (https://github.com/GeorgeKimionis/BitcoinLib) to interact with the Bitcoin Daemon. Our ...
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1answer
69 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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1answer
401 views

How to generate Electrum address with pybitcointools

I want to create a payment service where I want to be able to charge each client according to its invoice. I picked Electrum as my underlying wallet and pybitcontools as my Python interface. I would ...
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1answer
418 views

How can I conveniently generate new addresses for my public key?

I generated a private key using dice, then wrote a script to konvert that private key to its corresponding public key in its secp256k1 elliptic curve format (a 65-byte number beginning with 04). Now, ...
3
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2answers
696 views

Creating address from private key (bitcoin puzzle)

I saw a puzzle here and I'm having problems understanding how the addresses are created. So the post there has a list of addresses like: Address 5: ...
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0answers
208 views

Generating a Vertcoin public / private key using javascript and bitcoinjs? [closed]

I noticed in the bitcoinjs library there are parameters to generate litecoin and dogecoin addresses. But how can this be used to also generate vertcoin addresses? Is this even possible using the same ...
3
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2answers
364 views

Why does bitcoin create several “empty” wallet addresses?

I'm currently running bitcoind -testnet. I ran bitcoin-cli dumpwallet ~/wallet-output just to explore the output and it looks like it created 102 private/public key pairs that I assume are just sort ...
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2answers
13k views

How to generate a testnet address?

Bitcoin addresses can be generated on this site https://www.bitaddress.org, but the test network needs m or n at the beginning of the address, where can those be generated?
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1answer
262 views

How to know how many bitcoins does my offline generated address hold?

Suppose I generate an address offline, using something like bitaddress.org And then I receive some bitcoins on this address. How do I know how much balance do I have on this address?
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2answers
644 views

How does a wallet come to know of Address just by importing Private key?

I have exported my Private key to Paper Wallet. Now, when we send/receive bitcoins, we send/receive them to an "Address". So suppose I receive some bitcoins on my address. I have the private key of ...
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1answer
71 views

Bitcoin public key pre-0.6 length before hashing

As I understand, since bitcoin 0.6.x, compressed and uncompressed public keys are supported. And the process from the public key to the address has the step that puts a byte in front of the public key ...
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2answers
101 views

Can bitcoin address be longer than 35?

Can bitcoin address be longer than 35? Does longer address indicate much lower chance of collision and/or higher security?
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2answers
532 views

Is there a litecoin / dogecoin scrypt brain wallet generator like the one made for BTC warp wallet?

Has there been other litecoin / dogecoin brain wallet implementations besides bitaddress? I don't feel bitaddress.org's brain wallet generator is secure enough as compared to Warp Wallet scrypt ...
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1answer
1k views

How can I sign a message with a litecoin private key and also generate a litecoin address from a string?

I'm working with bitcoinjs, but is there a litecoinjs equivalent? I want to be able to sign and verify messages with my litecoin private key and also generate litecoin addresses from a string. How ...
3
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1answer
879 views

Why the bitcoin address is not valid in any of the testNet faucet

I develop a simple Java/Maven/JSP app for bitcoin and generated the address 167Bqf3Mi3gnfhw5DhCfoYNTMxqANt3Zky I would like to send some money to this address from a bitcoin testnet faucet. I ...
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0answers
181 views

Understanding addresses [duplicate]

So according to many wallets, they say you should use a different public address for every transaction for security reasons. Are all of those public addresses linked to the same wallet/private key ...
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2answers
763 views

How does bitaddress.org ensure unique address?

You can use this service offline (as it's done with JS) so how can they possibly ensure a unique address is generated?
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3answers
10k views

How does one create a brain wallet from a seed using SHA256?

How does one create a brain wallet from a seed using SHA256? Is this possible? Could you please explain using the example seed "coinbase is awesome" (no apostrophes)? What is the resulting address?