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Questions tagged [blockchain.info]

This tag should be used for questions regarding the service 'blockchain.info'. Blockchain Ltd. is a company that offers a web wallet and provides a blockchain explorer under the domain blockchain.info.

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2 transaction in same address - Please help

Sent my btc address 3 days ago for a payment to one of my customer he didnt respond or paid . next day i provided the same address to my another customer for a payment which he sent. Now today i ...
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0answers
17 views

Sending a Bitcoin Transaction with Pure PHP?

Does anyone know of a simple PHP script or library that will allow me to send bitcoin transactions without needing to download the blockchain? Basically I just want to be able to use a private to ...
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1answer
37 views

how to see bitcoin blockchain and addressess for testnet [duplicate]

in my site the user has a link to check the transactions and his wallet address. right now I am using this: blockchain: https://blockchain.info/tx/#{txid} address_url: https://blockchain.info/...
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23 views

blockchain.info API response is coming with a big delay [closed]

I'm using blockchain.info API on my shop. Everything was fine until about 2 weeks ago. The whole procedure and the issue is: - When a customer place an order, a btc address is created and customer ...
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1answer
100 views

Blockchain.info customer service

Anyone know the the blockchain.com direct/ live customer service? I had submit several request with same problem , what i get is only the standard answer from blockchain.com which i feel is total ...
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1answer
24 views

Transaction is not Picked

I am new to block chain technology. I am struggling to understand below concepts: What if my transaction is not picked by the miners and what is the criteria for miners to pick? How can I rely on ...
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2answers
59 views

Desperate need of help - Face ID stopped working on blockchain wallet app and I don't remember password [closed]

First of all, apologies if this is the wrong forum for this. I've contacted blockchain support and twice all I have gotten was a standard form response that says they cannot reset passwords, which is ...
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0answers
15 views

How to determine bitcoin wallet transaction direction (withdraw vs deposit)

I'm trying to programmatically process the transactions of my bitcoin wallet and to calculate my wallet balance, I need a solution in python, currently I'm using the blockchain.info, but if you know a ...
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1answer
44 views

Bitcoin open source web wallet with Bitcoin wallet service

Where the user email and password are stored when user registered on the web wallet websites like blockchain.com ? Is the blockchain.com directly interact with the bitcoin blockchain and store the ...
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2answers
27 views

Data about number of block mined + stale blocks per day in Bitcoin?

I am wondering if there is any easy way to get number of mined blocks per day + number of stale blocks per day for the last three month e.g.,? I could not find such data on Blockchain.info In ...
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1answer
20 views

How a web-service like bitnode.earn can know each node's blockchain height?

How a web-service like bitnode.earn can know each node's blockchain height? We can get some information of each node in bitcoin network in this web-site: https://bitnodes.earn.com/nodes/ And, it is ...
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1answer
35 views

Question Regarding Send_to_many function of blockchain wallet api

I am using send to many function of blockchain wallet api and i am facing issue. when upto 20 transaction done then after i get error in terminal that 1538652825520 - error: ERR_PUSHTX ...
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1answer
38 views

Bitcoin transaction fee is more than balance?

I have some bitcoins which values 2.45 USD in my wallet. When I want to send my bitcoins, blockchain (my client) prevents to do it. It tells me that my fee is more than my current balance! I can't ...
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1answer
174 views

How to estimate/get network fees via blockchain.info API?

I am using blockchain.info API to send payments. but i need to know that what will I be charged by the network. So any way to get the network fee with specific amount to sent.. or how to generate it ...
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1answer
23 views

Why can I observe three different network difficulties in a span of a few days?

https://www.blockchain.com/charts/difficulty If I study the difficulty changes the last 6 months, I can see, as would be expected, that roughly every two weeks, the network makes an appropriate ...
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2answers
45 views

Transaction doesn't show up in my Blockchain wallet

I am a beginner at Bitcoin. I sent my 0.0161034 BTC from LocalBitcoins to my Blockchain account. It said that it would take up to 30 minutes, but after 16 hours I still didn't get any money in my ...
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1answer
17 views

Why the block's order in blockxxxxx.dat is different from blockchain.info

I parsed the block00000.dat using python code: class BlockFile: def __init__(self, block_filename): self.block_filename = block_filename self.blockchain = open(block_filename, 'rb', ...
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1answer
139 views

sent BCH to a BTC Segwit address [duplicate]

Is there a way to recover the BCH ? Use his Ledger purse I've sent BCH To address BTC Segwit This link is treated https://explorer.bitcoin.com/bch/address/36CU6nDniJca1UVhvNhjsDdZpUsyYw5vSx I want ...
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1answer
12 views

relationship between inputs in single transaction

I'm a student to learn about bitcoin. i saw a lot of transactions from Blockchain.info for study, and some of transactions can not be understood. why address '367f4YW...' pay to itself? is it ...
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1answer
42 views

Explain blockexplorer UTXO

Bitcoin testnet I used the following code to obtain info about unspent outputs: const blockchainInfo = require('blockchain.info') const blockexplorer = blockchainInfo.blockexplorer.usingNetwork(3) ...
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1answer
158 views

My BCH is marked 'unspendable' in my Blockchain Wallet

My BCH is marked 'unspendable' in my blockchain wallet. I entered my public address instead of my private address by mistake when I exported the BCH from my paperwallet. Is that the problem and how do ...
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1answer
82 views

Can't connect to rpc.blockchain.info with bitcoin-cli

I'm trying to, given a bitcoin address, retrieve the last X transactions to this address. After researches, I found this to be an interesting solution, as I don't want to download and validate the ...
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1answer
30 views

How to get time of input and output of a given a transaction?

I have a transaction ID and I need to get the time of input and the of output of that transaction (Unix timestamp) programatically using a block explorer or any API. Is this possible ? If so how can ...
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0answers
20 views

api blockchain.info receive confirmations count info about transaction

I am making some simple pament gateway using bitcoinchain.info public api. I am generating a new address and after that checking one time per minute the status of this address with https://www....
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2answers
222 views

Need help to recover blpckchain.info wallet, my wife forgot her password and the brute force with btcrecover is not catching the password

I used btcrecover to extract the wallet file (wallet.aes.json) from a blockchain account and I have been running btcrecover with dictionaries of my making but it has been going on for weeks and I am ...
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0answers
24 views

jsonRPCClient bitcoin not generating transaction id however new address is generated

I'm using jsonRPClient to connect to my, I'm able to generate new wallet address using getnewaddress however when i make a transfer using sendtoaddress transaction id is not generated. sendtoaddress ...
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1answer
72 views

Does the estimated transaction volume on Blockchain.info exclude exchanges?

Does the estimate of transaction volume provided on Blockchain.info exclude the major Bitcoin exchanges? According to this paper: https://siepr.stanford.edu/sites/default/files/publications/17-033_1....
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1answer
105 views

relating the UTXO set to the total supply of bitcoins

If the number of Bitcoins in the UTXO is always equal to the number of mined Bitcoins See: How is a wallet's balance computed? then why do the number of bitcoins mined depicted here: https://...
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1answer
36 views

Unable to send total amount of bitcoin even after deducting the transaction fee what do I do? [closed]

Hi I recently imported a wallet to blockchain wallet from a backup, the wallet and everything shows up and everything but since the imported wallet is not protected by the backup phrase and not as ...
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0answers
25 views

How to prevent 51% attack on newly created coin [duplicate]

I am interested how bitcoin managed to prevent 51% attack in the beginning? I am about to create my own coin and i want miners to mine blocks. but The problem is I am afraid  51% attack might destroy ...
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0answers
113 views

Practical Implementation of Liquidity Provider for Crypto Exchange

I understood about the basics of the liquidity provider ,but I wanted to know about what are the ways to provide the liquidity provider for my exchange. Do I need to practically implement it? How can ...
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2answers
62 views

Providing Liquidity in CryptoCurrency Exchange!

Can anybody give some idea about the issue of providing liquidity to the users for creating a cryptocurrency exchange ? Thanks!
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1answer
34 views

XAPO's flow from wallet to vault - a different wallet address used for the transfer

I have a XAPO account and I moved a bitcoin from Bittrex from XAPO. Now, XAPO has provided me with a wallet address a1. Now when I have moved my bitcoin from my bitcoin wallet to vault and checked ...
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1answer
125 views

How do you know that your private key has been stolen

how do I know whether my private key has been stolen ?
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1answer
210 views

Transfer bitcoins from one wallet to another

We have started building a bitcoin exchange. Now we basically want to create and address that let users keep their bitcoin asset on that address and we will charge minimal fees to them when they ...
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1answer
137 views

I NEED YOUR HELP URGENTLY Bitcoins

I really need your help on this. It has stated in my wallet that i've received my bitcoins of 1.182691BTC on 29/05/18. This's my wallet address: muFjdWSy2DKStSP2gUH2aHZq6kRBva8ZDV it stated on the ...
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1answer
30 views

Is there a webpage showing some of the latest orphaned blocks?

Blockchain.info has a couple pages about orphans, but the chart page does not agree with the list page. My admittedly brief search for a page that shows orphans didn't turn up anything that was ...
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2answers
41 views

Can I get the same stats as are on blockchain.info and btc.com by running a full node?

There seem to be some discrepancies between blockchain.info and btc.com, specifically I am looking to extract the following info: "Relayed By", there was a block that was listed as unknown on ...
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1answer
44 views

BCH from Poloniex

I had a BTC balance with Poloniex prior to the fork and I now have BCH too. I wish to withdraw the BCH from Poloniex however am unsure of where it can be withdrawn to. Previously I have created BTC ...
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2answers
164 views

Bitcoin API(s) - how to pair (or obtain) BOTH sender and receiver addresses with a transaction ID (hash)

Various block explorers exist, which offer REST APIs. So far been using blockchain.info and btc.com Here is what we have: - List of bitcoin addresses Here is what can easily be got with that info: -...
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0answers
17 views

I gave someone a bitcoin cash address to send btc and now it's not showing up on my bitcoin cash app [duplicate]

I am new to bitcoin so i made a mistake of sending my receiving address from bitcoin cash to an online casino I won money on. The bitcoin never showed up in the cash wallet app but when I look up the ...
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0answers
555 views

withdrawing bitcoin from blockchain to bank account?

Hi i have bitcoin in my Blockchain Wallet and want to sell them and transfer the funds to my Commonwealth Bank Account in Australia. I have no idea how to do it. Can anyone help me complete this ...
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1answer
85 views

Can i recover exodus with 12 words form blockchain.info?

At btgexplorer i saw that i have some BTG. I want to claim it from by blockchain.info wallet. I followed this article https://medium.com/@kuzdogan/how-to-claim-your-bitcoin-gold-from-blockchain-info-...
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1answer
149 views

What does the 'Estimated BTC Transacted' value mean on blockchain.org?

After reading this question on how it is calculated, I was wondering what it means. What does the 'Estimated BTC Transacted' number on blockchain.org refer to? What does it mean?
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1answer
57 views

find out total balance on MainAccount

I don't understand receiving address usage at https://blockchain.info/api/api_receive As I understand it it should work like this: MainAccount |--generatedReceivingAddress1 (then someone send btc and ...
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0answers
159 views

How Can I tranfer my bitcoins from watch only wallet, If having Private key, but forgotten private key password

I have wallet on the blockchain.info, I have one main wallet, another one have watch only address, I have private key for it, I want to spend coins from my watch only wallet. But I lost the password ...
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5answers
698 views

Blockchain Address gap limit solution

I want to use blockchain API for my store but the wallet only monitoring last 20 generated address. Quote from https://blockchain.info/api/api_receive: As defined in BIP 44, wallet software will ...
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1answer
55 views

transaction that was included in a block without my permission

After requesting for bitcoin it automatically sent to my blockchain wallet after that it was then sent out without my permission again to another address and it never arrived in my final balance but ...
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2answers
146 views

Raw data of transactions in all blocks

As of April 16 2018, there have been 518563 blocks (e.g. https://blockexplorer.com/api/status?q=getBlockCount). Is anyone aware of a way to get the number of transactions in each of those 518563 ...
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0answers
90 views

Blockchain.info not calling my callback urls

I am trying to integrate bitcoin payments into my website and everything works well till I get to the part where blockchain.info has to notify me when a payment is made into a generated address. They ...