Questions tagged [blockchain.info]

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

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220 views

What is a bitcoin incoming transaction with value = 0.00000546?

I wrote a script that downloads and parses blocks. I see a lot of incoming payments with value = 0.00000546. Any explanation? Thanks!
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Bitcoin Blocks Date not coherent? [duplicate]

I was taking data from the BTC Blockchain with a custom script. I found something really weird. Block nr. 24668 was created at 2009-10-09 23:02:57 Block nr. 24669 was created at 2009-10-10 00:15:48 ...
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How do I use an issued API key in my python 3 script to bypass the request limiter?

I got an API key from blockchain.info to bypass the request limiter, but I don't know how to use it and I can't find any relevant info online. url = "https://blockchain.info/rawblock/" + str(s) ...
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1answer
22 views

Address change confusion

I registered to a client with a Bitcoin address on Blockchain.info and after some time that address I registered with was changed. I need to pay a fee to the client. Will it reflect to them that even ...
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1answer
225 views

Is Bech32 transaction on blockchain.info size accurate?

I have made a transaction and paid like 120 sat/B, on blockchain it says that I've paid 78.995 sat/B and noticed that transaction size is 191 (bytes) Transaction size supposed to be: 102 (input) + ...
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My transaction has been on pending for 27hrs [duplicate]

I need to know how to confirm my transaction it's been on pending for a while and I really need the transaction
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1answer
471 views

If the nonce is 32 bits why the proof of it is difficult?

I want to know why mining of nonce is difficult? The nonce is 32 bits (4294967296) and a high level Nvidia graphic card can check and mine it in a second. why do we need a pool to mine a blockchain?...
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402 views

problem in imported address

I have $10 at my address. I only imported that address in my other wallet, but it shows the balance of $0 and no past transactions. I tried my balance address of $18 and the same zero balance is shown ...
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Already finished 89 confirmation still not received in my Electrum 2fa wallet

I sent Bitcoin from localbitcoin wallet to my electrum wallet. Now it's 89 confirmation done. But still now it's not arrived in my wallet. Please help. Thank You Electrum wallet address :- ...
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1answer
336 views

testnet.blockchain.info api not showing latest results?

I sent a transaction to the testnet address mzWCWQU6phb9rKSAiQ4FBU92sGYtY7tjPH a few days ago and I have been using the testnet.blockchain.info api for a while now in my project. It was working fine ...
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0answers
71 views

Blockchain.info confirmation misunderstanding

I have some misunderstanding regarding how confirmation work on blockchain.info. If we go to payment history we can see info about confirmation in two places. First in history of all transactions. ...
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1answer
63 views

What is off-by one error in updating target? How is it fixed?

Can some one explain completely what off by one error is? how is it fixed?
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2answers
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I got sent funds but cannot get them

I got sent funds but I do not have enough space on my computer to update bitcoin core and therefore the funds will not come is there anyway to cancel the transaction. The website I got the funds from ...
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1answer
88 views

How can i look into the Blockchain

I have read that the blockchain is a public ledger with all transactions of a decentralized community, furthermore i read that everyone can check that ledger for transactions that happened within the ...
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1answer
104 views

Getting individual block by height from Bitcoin P2P network

Is it possible to request an individual block from the bitcoin network, using the block height as parameter? Or would one have to start a node and wait until all blocks up to the desired height have ...
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1answer
112 views

Detect received transactions of thousands of Bitcoin addresses

I'm implementing a Bitcoin payment system that generates bitcoin address for each user to deposit. I use BitcoinJ to generate user's addresses and rawblock API from Blockchain.com to get every single ...
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0answers
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Wrong format Transaction ID [closed]

I have a BTC block chain which is stuck (3 weeks). I am using blockchaininfo .When I enter two of the transaction IDs ( cut and pasted ) it reports wrong format . A third transaction hashtag is ...
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1answer
209 views

balance of sub-wallet not in main wallet address (blockchain.com)

I'm quite new to bitcoins so apologies if i'm being a noob, but I'm very confused! I have many sub-wallet which created with pycoin command line. for example, I created subwallet like this: ku -a ...
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1answer
601 views

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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1answer
408 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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0answers
57 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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2answers
153 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
30 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
687 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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1answer
146 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
167 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
107 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
76 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
446 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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2answers
5k 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
33 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
641 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
54 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
667 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
16 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
225 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
620 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
492 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
351 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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3answers
3k 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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1answer
164 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
218 views

No transactions are showing on my Blockchain page

I'm new to this but I know how to use the request button on BlockChain to receive money? The Bitcoin was sent to the address I provided and I didn't get it. I've received money before and sent money ...
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1answer
243 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
49 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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2answers
130 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
117 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
311 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
701 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
410 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
37 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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