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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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1answer
449 views

How many addresses can Bitcoin Core 0.13 **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 the walletnotify feature How does the ...
3
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0answers
65 views

How does a game like Satoshi Dice avoid de-anonymizing users?

When considering games like satoshi dice or many other more typical online casino games, how do they handle awarding prizes? It seems like they pay back to the original input that sourced capital to ...
3
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1answer
162 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
267 views

SegWit with BitCore-Lib

How to create a SegWit address and transaction using bitcore-lib?
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0answers
92 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
375 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 ...
3
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1answer
509 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? ......
2
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0answers
18 views

Script type test vectors

I'm looking for test vectors, assuming xpub or public key to derive various script type addresses out of it. Something along the line of https://bip32jp.github.io/english/ but not only for P2PKH, but ...
2
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0answers
598 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
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1answer
209 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
275 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
877 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
345 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
221 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 (...
1
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1answer
56 views

Libbitcoin How to generate addresses on demand from xpub?

Well, I am really new to this. Just installed libbitcoin and I am reading trough the wiki and everything. Could someone really quick hint me how to generate addresses whenever I want from xpub that ...
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0answers
24 views

How to view addresses previously shown by Bitcoin QT console

I want to be able to compare receive and change addresses that are provided by watch-only wallet providers like Specter and Electrum with Bitcoin Core (not something like Ian Coleman's tool). I ...
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0answers
39 views

When, and why did people use 1-starting P2PKH address to represent bare-pubkey P2PK outputs?

I notice that some web blockchain explorer, like https://blockstream.info, doesn't show the famous "Satoshi's bitcoin genesis address" (1A1zP1eP5QGefi2DMPTfTL5SLmv7DivfNa) for me in the ...
1
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1answer
979 views

What does sigscript and witness mean?

I tried using the R scanner from the following link https://github.com/ca333/rng-scanner/blob/master/rscan.py, then I got results like this Bitcoin Address : 3EZ5yV5FARDqEZTXzwWNt33XLVhv7hqAS2 R: ...
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0answers
86 views

Getting mass addresses current balance

How can i get the current balance of massive addresses? I'm getting address balances now on blockchain.info but I need to check about 1000 of addresses in one minute. The issue is that they blocking ...
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0answers
148 views

How to generate these bitcoin addresses?

For the private key KwaZRh42fdQD4iUN6sy2GtEC5gfSAYXrQgp16KPV4Pxsspi5ChRb, I have the following addresses: 1N7jKvQ1fHezb61eNsGEaF4gcj5sQXhb2m (P2PKH) 14MNoFYWheu7sLkj8urvXCpYEdCuL4m2PH (P2PKH) ...
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0answers
61 views

Output has an "Unknown" status?

Looking at transaction https://blockstream.info/tx/c362fe7f8cb94b363c0c7cd5a0f82cf0dfa7733ab8a3b90df3eb9f0bff912148 some outputs are having type: nonstandard. There are 2 questions related to it: ...
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0answers
59 views

How to get addresses from a transaction's vin?

How can i decode addresses from the following transaction's vin. Transaction: https://blockchair.com/bitcoin/transaction/ed8286d06f6df2269e8481b37bbc532c11d80bd2d1b155c920a0742daf3185b2 There are ...
1
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1answer
413 views

How to monitor Bitcoin address for new transactions?

I have some generated Bitcoin addresses which I want to monitor for newly received transactions, I have a full node but I don't want to import those addresses to the node's wallet. I don't want to use ...
1
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1answer
94 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
111 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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0answers
35 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
25 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
460 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
281 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
206 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....
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0answers
235 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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1answer
674 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
60 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
99 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
118 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
502 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
625 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
62 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
41 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
312 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
368 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
425 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
57 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
96 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
113 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
132 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
121 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
332 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.