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Questions tagged [address]

This tag should be used for Bitcoin addresses. A Bitcoin address is an encoding of the hash of an ECDSA public key or a script. Knowledge of this value allows a user to send Bitcoins to another person over the network. Bitcoin addresses begin with a '1', '3', or 'bc1'. Not to be confused with mailing addresses or IP addresses.

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3answers
158 views

Public and private keys [closed]

How to generate public and private keys? And how to use that keys to send and receive bitcoins without using any wallet?
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4answers
261 views

Is it wrong to spend Bitcoin from someone else's wallet if my Bitcoin client generates the same address?

I know this scenario is extremely unlikely but what-if by chance I get the same Bitcoin address as another user and the user has hundreds or thousands of Bitcoins in his wallet, is it morally/legally ...
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6answers
1k views

How do I protect my paper wallet from use by a different human who has used a random generator?

Since millions of people use Bitcoin and Bitcoin Wallets that use their own addresses use several addresses per day, it is obvious that generators can generate the same characters for the Bitcoin ...
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1answer
541 views

Explain how to send bitcoins from multiple addresses to one

Let's assume that user has a wallet with 3 bitcoin addresses: A, B, C. The user received 1 BTC to address A, 1 BTC on address B, 1 BTC on address C. Now the user wants to send 3 BTC to another user. ...
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1answer
140 views

Can you send bitcoins together from the same wallet if they have been received via various different addresses?

What has been sent to your individual bitcoin addresses is supposedly recorded in the blockchain, but can you then send all of the combined bitcoins (that you received via various different addresses) ...
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2answers
188 views

I used the wallet out of sync and cannot find my adress

This is the first time I am buying BTC, I used my bitcoin core wallet out of sync to generate and address and then I shut down the PC after the full sync has been made. Now I cannot find the address ...
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3answers
99 views

Can a bitcoin exchange recover coins sent to a previous address used on said exchange?

In my case, I withdrew from my exchange account from wallet ABC (if I look up the trx on block explorer, it says it came from public key ABC). A few weeks later I went to deposit more money into my ...
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1answer
300 views

I have bitcoin address but not private key

I am new on bitcoin concept. Few days ago I started working on it. I got my bitcoin address from https://freebitco.in while starting working through this. After few days I imported my bitcoin address ...
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0answers
130 views

Multiple input addresses in transaction

I am new on Bitcoin programming, and I am building a Bitcoin Exchange. I saw a transaction from Bittrex: https://blockchain.info/tx/ce6d68005300980f5b9769b71d89551f700daf7ed42a24646e2620be3c1b9fdc ...
2
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3answers
348 views

Does the version prefix of an address force the type of transactions the address may treat?

A Bitcoin address is created with Base58Check encoding and it requires a version prefix, such as 0x00 for a P2PKH(pay-to-public-key-hash) address, 0x05 for a P2SH(pay-to-script-hash) address. Does ...
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1answer
362 views

How can one verify the address you are sending BTC to

I've had an incident with an exchange that provides addresses to deposit BTC funds. For some unknown reason, the exchange is telling me they have never received the funds. I read the address with a QR ...
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1answer
534 views

How To Traverse Bitcoin Addresses in HD Wallet

It appears that there are many way to traverse Bitcoin addresses. I am looking best practice, and I am also looking for the documented logic of how common wallets do it so I can replicate their ...
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1answer
78 views

Bitcoin Address Workflow on Spend Leftovers

I need to understand the correct Bitcoin address workflow for transactions. I created an address a while back with a common wallet and sent some coin there. The address is at segwit m/49'/0'/0'/0/0. I ...
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1answer
410 views

How to move bitcoins to own wallet from other wallet

I am new to bitcoin community and I have a website where I want to collect payments through bitcoin or altcoins. For now I want to know that can I shift my bitcoins from one wallet to another wallet ...
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1answer
245 views

Sent Bitcoin to wrong email address on Coinbase.com

I sent some BTC on coinbase to another one of my own email addresses. But I later realized I don't have a coinbase account with this email. The status of the transaction says complete. Are they gone? ...
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0answers
62 views

Scamd by antminer.hk please help me [duplicate]

i have ben scamd for over 2258$ by antminer.hk Can I trace a Bitcoin wallet owner using their wallet address? or is ther any way i can get back my money. I have a new baby and i invested everything ...
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2answers
1k views

Can I use the same bitcoin address to receive more than one payment?

I used an old address I once used to receive a payment; can I still receive funds in that address even though the address on my bitcoin wallet has changed? The vendor claimed he made the payment but I ...
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1answer
1k views

If the bitcoin address changes every time, why there is more than one transaction for an address in the ledger?

I was checking a random address in blockchain.com, there are alot of transactions that is done over this address. While in the website it is mentioned that the address is changing everytime! So it ...
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2answers
243 views

Private key exported from Electrum, unable to recreate Address with Python

I have created a new Electrum wallet, and here is an address: 1JkZLnmFfpVFLT2ZMtKzc6BuXMdmY41EHA By right-clicking on it, I choose "Private key" which gives: ...
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5answers
3k views

Is “1Wh4bh” a valid Bitcoin address?

The bitcoin address 1Wh4bh looks so short. Is it even a valid address? If yes, can we send bitcoins to it?
2
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1answer
182 views

Is there any later version of Bitcoin address generation, than 1?

I'm looking for the technical details regarding the format and generation of Bitcoin addresses. I've found this article, “Technical background of version 1 Bitcoin addresses”, on the Bitcoin wiki, but ...
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3answers
1k views

Convert between String/Hex/Byte in Java for sha256 - wrong format?

I am trying to convert a bitcoin address and have the following code from here (Calculate Segwit address from public address, 2nd answer): Step1: $ printf 1L88S26C5oyjL1gkXsBeYwHHjvGvCcidr9 > adr....
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1answer
810 views

Java: Base58-encode String

I would like to Base58-encode this String: 56379c7bcd6b41188854e74169f844e8676cf8b8 My current Java code looks like this: String test9 = "56379c7bcd6b41188854e74169f844e8676cf8b8"; byte[...
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1answer
288 views

What underlying data structure is used to store wallet address on the blockchain?

I'm curious how websites like bitref.com can determine the balance of a bitcoin wallet very quickly. I understand that the blockchain stores every single transaction across the thousands of blocks, ...
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1answer
176 views

Can anyone explain this pseudocode to find a returning address?

I was reading a popular answer which explains how to find the address of the person who sent a transaction and the pseudocode in that answer does not make much sense to me. txid = <relevant ...
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2answers
130 views

Cryptocurrency with addresses that cannot collide?

I had originally posted the following question here: Is it possible to have a cryptocurrency based on email address? And now I have come across The Large Bitcoin Collider I have read on Bitcoin ...
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1answer
103 views

Help with Coinbase? Confused BCC address with BTC one

As a newbie a friend who owed me some money suggested I get Coinbase and let him pay me in bitcoin. I got the address but didn’t realize I got the address to my BCC wallet instead of bitcoin wallet. ...
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1answer
293 views

bip44 account discovery

In Bip44 "Account Discovery" section, there is following sentence: We scan just the external chains, because internal chains receive only coins that come from the associated external chains. (...
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1answer
461 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
830 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 ...
0
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1answer
67 views

Node doesn't find segwit transactions

I had to move around wallets and so on, and when I re-installed Knots (yeah I'm that edgy), it doesn't find the transactions to my segwit addresses. I can probably find the SW addresses somewhere, but ...
2
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1answer
139 views

How to set custom segwit change address in v0.15 Core via config

We generated segwit addressess via addwitnessaddress command in v0.15 core client. Therefore receiving funds to our segwit addresses. When spending those segwit UTXO, wallet creates a standard change ...
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0answers
36 views

Sent BTC to BCH address by accident [duplicate]

Posted elsewhere but I'll paste here too: I just tried to transfer BTC from Exodus to Coinbase but accidentally used the BCH address on coinbase and now I've lost all my funds. Any one got any sort of ...
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1answer
294 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 ...
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1answer
131 views

I've downloaded a Bitcoin Core, why it's recommended to use a new address for a new transaction? [duplicate]

I'm a bit new to Bitcoin. I just downloaded a Bitcoin wallet "bitcoin core". And I have downloaded all the nodes (a lot of data, I believe it's the complete one). When I click the "Receive", I can ...
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0answers
44 views

Addresses versus unique addresses

So, according to blockchain.info there are roughly 942,000 unique addresses as of a few days ago. When I go to the Bitcoin Rich List on www.bitinfocharts.com it looks like there are 23+ million ...
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1answer
188 views

Bitcoins sent to address i cannot access, funds are unused Pls Help me get them back

So yesterday i was sending some bitcoin to deposit on my whaleclub.co account like i had done once previous before with no issues, although this time it is saying that my bitcoins were sent to a ...
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1answer
283 views

Do bitcoin addresses reveal my identity? [closed]

Is it recommended to use different addresses for transactions whenever possible? I have been told that a bitcoin address is similar to an email address. Is my total possession of Bitcoin visible on ...
2
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1answer
700 views

Why are there multiple input addresses in one transaction and are they linkable to one single address?

For example, see this transaction: https://blockchain.info/de/tx/517c634fcf802bb8114516bc32718acf8a4e360decb7d93859e913f958d7bb6d In my understanding, the bunch of input addresses (usually) come from ...
3
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1answer
557 views

Lookup Full Address For Casascius Coins

Can anyone tell me how I would check the public address on my old Casascius Bitcoins? I have 3 total cons but I am unable to find where or how to check the public addresses on the coins for they only ...
4
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1answer
2k views

Electrum addresses start with “b”

As far as I know, all bitcoin addresses start with a "1" or "3" prefix. I've just started using electrum wallet and all the addresses it generated had a prefix of "b", or even "bc". Is this legit or ...
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2answers
330 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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0answers
78 views

Why is SegWit disabled and old address gone when recovering an Armory paper wallet?

I wanted to make absolutely sure I could recover my Armory wallet with M of N recovery keys. So instead of doing just a test, I deleted the wallet and restored it. But now Segwit for getting receiving ...
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1answer
115 views

Bitcoin transactions fee increasing

For instance take a look at this transaction: Transaction Size : 1700 bytes Fee: 133 Sat/Byte Total: 0.00226898 ~ $33 Outputs: 11 Inputs: 2 Transaction Link what may cause confirming delay, ...
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1answer
1k views

How to convert scriptPubKey bytes to Bitcoin address?

I am currently trying myself in parsing the blockchain using pyblockchain. My problem is that I am not able to encode the scriptPubKey correctly - although I don't know what I could possibly do wrong. ...
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0answers
82 views

Bitcoin from my wallet sent without my knowledge

I went to use my bitcoin wallet and funds were sent to an address that I didn't initiate. Blockchain shows that there have been no transactions on that address and my transfer is still pending. Is ...
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1answer
55 views

Can a bad actor omit an unspent address from a pruned chain?

This isn't a problem today, because if I want to run a pruned node then I still have to download the whole chain, but it sure would be nice if I could just download a pruned chain instead and validate ...
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1answer
322 views

How bitcoin exchange wallet system works?

I mean if exchange generate new address for each user (getnewaddress)(rpc) ...but trade just goes in database of their not on real blockchain ,so how does exchange deposit address shows 0 balance on ...
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0answers
356 views

What happens to BTC coins if I accidentally sent from my exchange wallet to my nano s ethereum wallet account?

In haste I sent BTC coins from Coinspot wallet, to an Ethereum Receive address in my own Ledger Nano S. Can they be recovered, the transaction shows completed in Coinspot, but no TX id.
4
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1answer
750 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-...