Stack Exchange Network

Stack Exchange network consists of 175 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange

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.

0
votes
1answer
93 views

Retrieve Bitcoin wallet details

We have a bitcoin wallet which we tried to update as it was dormantfor some 8 years plus but we were unable to do so as we haven’t got the Bitcoin wallet details. Is there any way of retrieving my ...
1
vote
0answers
108 views

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

Example address prefix given below 12cgpRC5r7zakGBfRGf5RQfGCgTnp7K1Yb 12cgpFkDMJXdwck9YHrrFsWP8PgxXjtBS7 12cgpcjw2628NPAPMvzSWF9Vh2tcUJrpAa 12cgpDmDJnugoRHeAfief7KSiUFvNPF5MY ...
0
votes
1answer
79 views

Bitcoin's change back

I'm starting a new project that uses bitcoin. I'm afraid some feature can't be done, or aren't safe. I'd like to validate some ideas: I'll create a wallet/address and publish it on the project's ...
0
votes
1answer
1k views

How to get legacy address and private key from Segwit P2SH address?

I have a Segwit P2SH address (starting with 3...) with the corresponding private key and need to obtain the legacy address (starting with 1...) and the private key. Is this possible?
0
votes
3answers
416 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 ...
0
votes
1answer
88 views

Can importing a bitcoin address retrieve the lost coins with it?

I wish to know if its possible to get the lost coins back if you retrieve the BITCOIN address to which they were sent?
0
votes
0answers
244 views

Elecrtrum Change Address Problem [duplicate]

While I sending BTC to specific adress, it went to it but also it went to another address. How can i refund it?
1
vote
1answer
935 views

How to check my address balance in regtest?

I have created a regtest address and I want to check it's balance. I have run the commands: -regtest generate 101 -regtest getbalance -regtest sendtoaddress n4MN27Lk7Yh3pwfjCiAbRXtRVjs4Uk67fG 10.00 -...
0
votes
1answer
372 views

Bitcoin stolen from Electrum 2.9.3

my btc were stolen with an anonymous transaction. How was possible? Electrum should be a offline secure wallet, besides they were stolen during the night , with my desktop offline. The receiver ...
0
votes
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...
1
vote
0answers
485 views

Metcalfe's law for bitcoin price

Here's an inline link to article article the square function number of users times the average transaction value. 94% of the bitcoin moved over the past four years is explained by that equation. It ...
1
vote
1answer
1k views

Which address do I use to dump private keys from Bitcoin Core wallet?

Trying to get my private keys from bitcoin core wallet Have got to the part where i put in dumpprivkey then it wants my address Which address do i give?
0
votes
1answer
166 views

How can I generate a QR code for multiple outputs?

I have an online store where users can pay with Bitcoin. I'd like them to send the total amount they have to pay to an QR code. From there on, the sent coins should be redistributed to two different ...
-1
votes
3answers
256 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 ...
3
votes
2answers
53 views

Querying UTXOs with random key pairs

As the number of transactions in the bitcoin network grows, the number of addresses with bitcoin will also grow. Is it possible for someone to “scavenge” for bitcoin by generating random key pairs and ...
5
votes
2answers
3k views

How do I find the exchange an address belongs to

How do I find the exchange that an address belongs to? I have an address that I have sent Bitcoin to but I forgot what exchange that address was for.
0
votes
1answer
56 views

How would Bitcoins crypto change?

Let's say, that 20 years ahead, Bitcoins crypto is not considered secure anymore. More precisely the key length is to short for it to be safe. Be it the HASH or private/public key. What would our ...
1
vote
1answer
139 views

How is address recognized between wallets

Lets assume I create a wallet in Jaxx and Bittrex for ETH token which in turn creates public & private key pair. I am able to transfer coins between different wallets. How is the address ...
3
votes
3answers
889 views

Identifying the type of wallet that's being used?

Is there any way to identify what type of a wallet a Bitcoin address is associated with? For example, if you created an address via Blockchain.info, would anyone know it was created through them or ...
1
vote
1answer
26k views

How to find the private key of blockchain wallet? [closed]

How to find the private key of blockchain wallet of this address 1DkyBEKt5S2GDtv7aQw6rQepAvnsRyHoYM
4
votes
2answers
226 views

Is there a reason big Bitcoin companies wouldn't use only SegWit transactions?

As I understand, SegWit allows anyone to create a SegWit address where they can send their bitcoins and transact from that wallet just as easily as they would with a traditional address. The SegWit ...
1
vote
2answers
2k views

How to check if an address is valid in Bitcoin Cash?

A lot of users seem to be mistakenly sending Bitcoin Cash to Bitcoin addresses and vice versa. I understand Bitcoin Cash doesn't support SegWit and that if Bitcoin Cash is sent to a SegWit Bitcoin ...
4
votes
2answers
745 views

Using a new address for every transaction?

I've been reading the Developer Guide, and they seem to be really strong on the idea of using new addresses for every transaction. I understand the reasoning - anonymity - but I don't really ...
1
vote
2answers
155 views

Why do people burn Bitcoin or other cryptocurrencies?

Burning is the process of destroying some of your tokens. In the old days, this was done by sending them to an unexistend (or at least unclaimed, as far as known) address. Nowadays, some ...
1
vote
0answers
262 views

Bitcoin Cash accidentally sent to Bitcoin segwit address

Bitcoin Cash accidentally sent to Bitcoin segwit address starting with 3. Can I get them back?
1
vote
2answers
3k views

BitPay / Copay's Weird Bitcoin Cash Address Format

My CoPay wallet shows my Bitcoin Cash address as CTGUTUgVAwHugpf4CyyjAvj8DCFkE4tpEq. What's going on? I thought both Bitcoin and Bitcoin Cash addresses start with 1 or 3?
1
vote
0answers
335 views

Recover BTC sent to a BCC address [duplicate]

I accidentally sent my BTC to a BCC address. Is there a way to recover them? Is there somebody that can help me with this matter? If there is a charge to recover my coins, I will pay for it.
4
votes
4answers
5k views

how to evaluate if this (or any) bitcoin public key / private key combination is valid?

Let's say some software gave me the following combination: public key: 13YcHBzsBX8SxHoBftb69cXJkdXLfAVQos private key: KwfNqMip1ZdgG2o6wYQUBXv8BqkMQ8VWWeScVU5TLPZp31M5EHeq And let's say that for ...
1
vote
1answer
374 views

NBitcoin: Get address out of raw block stream

OK, I am sure that this is a really dumb, rookie question, so sorry in advance... I am trying to read through the blockchain and display the receiving address(es) for all transactions in the chain. (...
-4
votes
3answers
291 views

Out of all the crypto-currencies, which address format is the shortest?

Bitcoin addresses ranges from 24-28 characters and so is litecoin. Monero is 90+ characters. Which crypto currency address format is the shortest that is in the top 50 of coinmarketcap?
0
votes
0answers
111 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 ...
5
votes
3answers
7k views

Is it possible to use xpub address to monitor balance from previously generated addresses?

I'm trying to find a way where I can view balance of my ledger nano s wallet without always attaching it to computer all the time. I found something called xpub address which allows me to generate ...
1
vote
1answer
65 views

Is it possible to check if an Address was generated from an HD Public Key.

Suppose I know a specific address and I know a full HD Public Key. Is it possible to determine if the address is a hash of one public keys generated from the HD public key in constant time, or in ...
0
votes
1answer
299 views

Bitcoin core addresses are all empty?

My PC, got burned entirely in a fire at my warehouse. Luckily, I had create a backup of my bitcoin core wallet.dat > 2 days before ! < ,so I bought a new pc, with Windows 7 on and now I'm ...
1
vote
1answer
41 views

How can we know our “from” address in advance?

This website ask me to enter the address FROM where I would be sending BTCs. But every time a send some BTC it seems to be sent out from a different address... Should I use the one I always see when I ...
2
votes
0answers
189 views

SegWit with BitCore-Lib

How to create a SegWit address and transaction using bitcore-lib?
2
votes
1answer
120 views

How can blockchain.info show the output address of a transaction when the output address has never been used in any other transaction?

I've stumbled across a transition on blockchain.info where the output address was displayed even though the output address had never been used in any other transaction. How can blockchain.info know ...
0
votes
1answer
284 views

bitcoind password for every address

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 products from my website. So, I've started bitcoind and ...
1
vote
2answers
3k 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 ...
0
votes
1answer
83 views

Please help Txhash

i looked up my txhash on etherscan and the (from) address does not match my own. I verified the (To) address and it is correct. Even the value is the same as my purchase. How is this possible? What ...
2
votes
2answers
3k views

How to produce a Hash160 bitcoin address?

tl;dr How should one perform Hash160, using most basic tools? ==================================================== Hi, I'm trying to figure out, how transactions work in bitcoin. When I choose ...
1
vote
0answers
30 views

API that gives owner of tx/address?

I'm trying to do some analysis of different entities on the bitcoin network. I'm looking for an API that I can input a transaction id or address into and it will tell me the exchange, miner, or other ...
2
votes
3answers
715 views

Determining if input is a block ID, transaction ID, or address

how do sites like https://blockexplorer.com determine if the input (see inputbox in the header of https://blockexplorer.com ) is an address, transaction ID or block ID? I want to write something ...
2
votes
3answers
1k views

If someone knows my bitcoin address, does this mean they can spend it or move it?

What if I wrote down or saved a file with the address on and someone found it, can they take my coins? How secure is it?
0
votes
1answer
490 views

i need help getting my bitcoin back from an address

i sent my bitcoin to another address i generated from another site not knowing they have a policy that if the bitcoin is not up to 0.005 it wont be able to reflect. now my question is that would my ...
1
vote
1answer
94 views

Address reuse for business

The consensus is that address reuse is bad and should not be done. Bitcoin wiki even argues it hurts yourself and those who will own the bitcoins after you. However, unless I am mistaken, most ...
2
votes
2answers
412 views

Having an address without a wallet

If somehow I have an address with its corresponding private key but I have no wallet (well maybe I use some wallet to generate the address/key and then throw it), would it make sense to collect coins ...
1
vote
2answers
286 views

How do payment processors like bitpay work?

How do payment processors like bitpay work? As far as i understood you can only have one address per key pair, so do they generate a whole new pair for every payment? Or can this be done using ...
0
votes
1answer
76 views

How to determine where a bitcoin address resides

I sent bitcoins to a different address that I might own. However, I am unable to determine where that bitcoin address resides. How can I determine where it resides and or how to access that bitcoin ...
8
votes
2answers
19k views

Bitcoin Cash accidentally sent to Bitcoin address. Can I get them back? [duplicate]

I managed my Bitcoins Cash in a Electrum Cash wallet on my PC. From there, I accidentally sent them to another internet based wallet, but didn't notice that this wallet is for Bitcoin and not Bitcoin ...