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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2answers
655 views

Is it possible to discover the set of bitcoin addresses from a public key?

I'm trying to find the set of bitcoin addresses from a public key associated with a user just to analyse this user transaction. Is there any way to derive/find all the addresses that have been ...
4
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1answer
431 views

What are the weakest cryptographic guarantees in Bitcoin?

I read in this Github pull that Bitcoin relies on weaker cryptographic guarantees than SHA256. What are the weaker cryptographic guarantees being referred to? Could it be that RipeMD is 160 bits? ......
3
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1answer
246 views

Bitcoin Core 0.13 How many addresses it can **effectively** manage?

I want to know, what's the maximum amount of addresses that Bitcoin Core 0.13 can manage? All addresses should belong to the default account. I want to use walletnotify feature How startup time ...
3
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0answers
91 views

Whisper Implementation in Bitcoin

Is there some kind of implementation in bitcoin to communicate between nodes, which is similar to the Whisper Communication in Ethereum ? Whisper, is a communication protocol for DApps to communicate ...
3
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0answers
334 views

bitcoin:uri for sending payments to multiple addresses

Lets say I want a donate bitcoin button/QR code to send to multiple recipients in different ratios. As in send 50% to wallet 1. Send 25% to wallet 2. Send 25% to wallet 3. Is there any way to do ...
2
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1answer
264 views

How to edit the label of an existing address exactly like in bitcoin-qt but instead using RPC calls?

I am trying to edit the label of a bitcoin address in my wallet outside of bitcoin-qt. Currently I only know of 'setaccount' but it results in two addresses after editing one, it assigns a new address ...
2
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1answer
377 views

Why don't P2PK scripts have their own address?

If I understand addresses correctly, different types of addresses are used to map to a particular locking script (scriptPubKey). So based on the leading character of an address, a wallet will decode ...
2
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0answers
227 views

SegWit with BitCore-Lib

How to create a SegWit address and transaction using bitcore-lib?
2
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0answers
541 views

How Can I create a wallet on Electrum from address or QR code?

Suppose I signed up in a website which creates me a bitcoin wallet address for my account and provides me with this address (someting like 2RfG1Ph5KlojhnFi8Dg36lfeshnfDiL3Ji) and the QR code. How can ...
2
votes
1answer
130 views

Address Verification Failed / View on Tresor Address don't Match

Using LTC wallet on new Trezor. On "Receive Payment" tab, clicking eyeball icon, the address shown on the Trezor does not match the address shown on screen. What gives? Did I already get hacked?
2
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1answer
188 views

Manually checking for credited bitcoins

If I have the bitcoin address, the private key and a transaction ID from Bitcoin (regtest mode) in shell variables, what Python code do I need to run to claim the Bitcoins are indeed intended for this ...
2
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0answers
641 views

QR code on my phone looks different

I just set up a personal wallet, and the QR code on my phone, looks different from the QR code that blockchain.info shows. When I scan, the code on blockchain.info, I get the same address. I thought ...
2
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0answers
341 views

How can I add an old Bitcoin wallet address from Bitcoin Core to MultiBit HD?

I have a wallet with Bitcoin Core. I have used that address on various sites to receive payments from them. I want to add that address to my account on my MultiBit HD program so it will just carry ...
2
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0answers
212 views

If I accidentally delete an address with funds

If the address is deleted (while using an online provider like CoinJar), does that mean the coins are lost for good? Or all public/private keys are still held by the company and the address deleted (...
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0answers
21 views

listreceivedbyaddress missing transactions after restore

After restoring wallet from wallet.dat balance is identical, but listreceivedbyaddress 0 do not have the transactions associated with wallet. listunspent 0 show all the transactions, but it will ...
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0answers
35 views

Convert WIF to Witness PubKey Hash Address in Go

How can WIF be easily converted to WitnessPubKeyHash in Go? We need to get the public key from WIF and than calculate witness program as ripemd160(sha256(compressed_pub_key)). But is there a ...
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0answers
54 views

Stripped segwit data

I have two client Bitcoin, 0.17.0 and 0.12.0 and I want to see the difference between the same transaction. 0.17 has segwit, 0.12 doesn't have. If I do that RPC call in 0.17.0 /bin/bitcoin-cli -...
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2answers
630 views

How to use electrum RPC to get address balance on windows

$ ./electrum-3.2.3.exe --testnet setconfig rpcport 7777 true $ ./electrum-3.2.3.exe --testnet setconfig rpcuser blah true $ ./electrum-3.2.3.exe --testnet setconfig rpcpassword blah true $ ./electrum-...
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0answers
28 views

Separating user accounts in a wallet for a large scale web app

I'm planning to implement a web platform that maintains user wallet accounts and generally acts as a web wallet. They can deposit, withdraw and transfer coins.The number of accounts should be in ...
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0answers
23 views

How does supporting additional 'Address Chains' impact resource usage for an SPV wallet?

On Reddit I encountered a user claiming that implementing Segwit support for an SPV wallet would require supporting an 'additional address chain', but I'm not sure what exactly that entails. I would ...
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0answers
350 views

List All the transactions of an adress - API

I am looking for a way to list all the transactions of an address. For instance, if we use the Blokchain.info API we get: url='https://blockchain.info/rawaddr/1PFtrRjbq4aLfM7k4tyLZ3ZAuTsgLr6Q8Q' ...
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0answers
195 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
202 views

Problem with balance of my address

I have a problem that wallet does not recognize transactions of my address. The problem is present on testnet. Relevant address is n3qPR7uHUSoqnd8DZpE8GVhqnmrMzYu7Vj (https://testnet.blockexplorer....
1
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1answer
258 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
194 views

Programmatically Get Change Address From Blockchain

BIP004 states that a derivation path's 4th digit will be 1 if it is a change address like this: m / purpose' / coin_type' / account' / change / address_index https://github.com/bitcoin/bips/blob/...
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0answers
57 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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0answers
83 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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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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0answers
494 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
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1answer
493 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. (...
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0answers
31 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 ...
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0answers
61 views

How to generate addresses for a rudimentary BTC transfer app

I am a student studying web development at a prominent bootcamp in the United States. For my capstone project, I have decided to try and build a fairly simple application wherein one authenticated ...
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0answers
35 views

Is there a java library which could extract the first seen date and the last seen date of an address over a bitcoin network?

Apparently the bitcoinj does not provide such feature.
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0answers
277 views

Addresses appear empty in QT wallet, but not in the blockchain

I tried to move from qt to electrum, so I opened a new electrum wallet and transfer a small amount to it. This worked fine, so I tried to transfer all the rest. Now - the qt wallet appears to be ...
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0answers
331 views

I forgot the index of my BIP32 key

I had chosen at random an index for storing some bitcoins. My key derivation path is Bip32 m/0h/1 How would I go about generating all 2 billion keys and check which one has the funds I stored? The ...
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0answers
400 views

Blockchain.info handling gap of 20 unused addresses limit

I am looking for a way to handle the limitation of Blockchain.info, for which it will stop generating public addresses (or at least watching them) after 20 consecutive of them don't have any ...
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0answers
56 views

Bitcoin did not get to reciever

I sent $50 worth of bitcoin to my cousins blockchain bitcoin address, it said sent and the bitcoin amount deducted from my wallet. However, the bitcoin did not reflect in my cousin's wallet. I ...
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0answers
1k views

Created receiving address in Bitcoin Core but deleted it before receiving bitcoins

I created a receiving address in Bitcoin Core, sent myself some coins from localbitcoins.com and - silly me - deleted the receiving address from Bitcoin Core. tradeblock.com shows the transaction ...
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0answers
88 views

Table of coin parameters

What are the P2P network magic bytes P2PKH version byte P2SH version byte Private key version byte P2P Port RPC Port Atomic units per coin (100,000,000 for bitcoin) for Bitcoin, Bitcoin testnet, ...
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0answers
112 views

Is it possible to search for an transaction to or from an address with a time period filter?

How can I search for a transaction to or from a certain address in the block chain within a particular time period? I am trying to answer if this transaction occurred on 17 Oct 2014. Hence, instead ...
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0answers
130 views

account id & bitcoin amount & message ?-> show website content

I am planning to make an website / wordpress plugin. Site will ask visitor's account id. Site will show content only if a bitcoin transaction with specified account id & bitcoin amount & ...
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0answers
89 views

Online wallet for betting / customer profile?

I am looking for a system that provides users with the option to deposit and withdraw BTC to a generated address. Basically something that works like https://primedice.com/play and https://dicecoin....
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0answers
315 views

Generate Bitcoin addresses using a Master Key from Armory wallet

Is it possible to generate Bitcoin addresses using a Master Key from a Armory wallet with PHP? I don't want to use Electrum Master Key as Armory has a lot more features that come in handy often.
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0answers
435 views

How to get bitcoin address from the pubkey_hash using bitcoin-abe or something else?

I'm using: https://github.com/bitcoin-abe/bitcoin-abe to import the blockchain into a mysql DB it is almost done after 5 days. So I started looking at the data and didn't see any addresses. I know the ...
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0answers
171 views

Multibit validation error message

Ok guys now i'm having a new problem. I'm trying to send my bitcoins to another wallet and I keep getting this error message saying "Validation error". The bitcoins are in my wallet and my transaction ...
0
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1answer
7 views

Get scripthash for known scriptPubKey in PHP

I have to query addresses in ElectrumX server. How do I generate scripthash for a known scriptPubKey in PHP? Example address: array ( 'isvalid' => true, 'address' => '...
0
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1answer
28 views

Why bech32 addresses can’t be mixed case?

I know that they cannot be mixed case due to their BIP but what was the intention behind this idea and would it be problematical to convert a mixed case bech32 address to a lower/upper case bech32 ...
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0answers
29 views

Trying to programmically generate unused receiving address from a xPub

I'm trying to generate unused receiving Bitcoin address from xPub using PyWallet python library . I got the xPub from my BIP32 Electrum wallet. Here is what I tried from pywallet import wallet ...
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0answers
30 views

Bitstamp and deposit address

I have a Bitstamp account and when I try to use the API for bitcoin deposit I discover that there is a unique address for my bitcoin deposit. It is safe in term of address reuse consideration ? Here ...
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1answer
94 views

GREP help: Bitcoin address/key buried as text somewhere on hdd

So in a drunken moment of genius I had forgotten about, I bought some bitcoin way back. And I buried the address and key in some file... I was being tricky lol. That likely also led me to abandon a ...