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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9 views

How to do transactions to imported wallet address back to my wallet [duplicate]

I invested with this miner she asked for R6000 to confirm my transaction then again asked for other money in order for me to receive my money. Yes I do see the money on my wallet but it state non-...
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2answers
29 views

Trying to locate my bitcoins

I was working with a broker, now my "bitcoins" are in "blockchain", and I have no trace. How do I find them? How do I find said blockchain and bitcoins ?
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1answer
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How do I ask other nodes for their stale blocks?

I want data on as many stale blocks as possible. Is there a way to ask peer nodes to run "getchaintips" and get their results? Previously, I used Blockchain.info's API call for this, but it seems ...
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33 views

Recovering Blockchaininfo wallet in Electrum wallet

I have my wallet in blockchaininfo and I did the backup of my 12 words (SEED). I would like to open this wallet in Electrum, I notice that Electrum allow to recover a wallet using a SEED from ...
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1answer
26 views

How to determine if BTC has been received from a particular address

I have been wondering if there is an api available that can enable me know if a certain amount of Bitcoin has been received from a particular wallet address. For the moment I have only be ...
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How could be useful the softforks field that provides the RPC command getblockchaininfo?

When I execute the command getblockchaininfo I see useful information but I don't understand how to be useful the information that is displayed through field softforks, the example below: bitcoin-cli ...
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1answer
39 views

Blockchain Imported Address

I have created a blockchain wallet after l loaded it the next day the balance was zero but l have realized there is an imported address which l didn't import. Is there any way l can recover the funds ...
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1answer
69 views

How do I get wallet balance using xPub address with blockain.info api? [closed]

I am using blockchain.info api. I know how to get wallet balance using wallet id and password. Couldn't find how to find wallet balance using my xPub address.
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Is there a way to test Blockchain.info APIs? [closed]

I'm trying to set up Blockchain.info web APIs to notify me when I receive a BTC payment: https://www.blockchain.com/api/api_receive So say, if I generate a receiving address as such: https://api....
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1answer
61 views

Withdraw and deposit in cryptocurrency exchange website

In an exchange website we just book trades in our database and just when user want to withdraw his BTC balance we make a real transaction in bitcoin network for him. Consider a scenario that a user ...
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1answer
158 views

Bitcoins gone missing in Blockchain Wallet

My wallet password was not compromised but my bitcoins have gone missing from my wallet with a transaction that says - replace by fee. I have send two messages to support at Blockchain to find out ...
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1answer
20 views

Improve uniqueness of block for nonce creation

I am going through online Blockchain course and in the course, they have mentioned that uniqueness of a block is defined using hashes with leading zeros as well as timestamp. Since, in the training, ...
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1answer
40 views

Bitcoin not received since 3days now [closed]

Two different bitcoin payment was sent I sent into one Wallet Address requested, But only one came into my wallet successfully. But I am yet to receive the second one, and when I try to look it up on ...
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1answer
34 views

How is Bitcoin/Blockchain programmed to do multi transaction at the same time?

I read this article blockchaing stored and now I am bit confused. In this article it is described, that the transaction needs 15 seconds to propagate to the whole blockchain network. I know that the ...
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Is the Blockchain.com online wallet listed on Bitcoin.org website?

I can not found the Blockchain.com online web wallet on the Bitcoin.org website, e.g. following this: https://bitcoin.org/en/choose-your-wallet?step=5&platform=web&user=experienced
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Blockchain.info explorer doesn't recognize my hash

Blockchain.info doesn't recognize my tx. Can someone explain this. My wallet is debited. The transaction is unconfirmed too.
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1answer
2k views

Longest unconfirmed transaction?

I recently tried to make a transaction with coinbase. In a hurry I put no fee though. It's still unconfirmed and blockchain.info doesn't recognize my hash. But my btc qt wallet is debited. My question ...
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23 views

Why does Blockchain.com service gets stopped after a time?

I've installed Blockchain.com local machine on our server and ran its service using the command below: blockchain-wallet-service start --port 3000 It works well, but after an unknown time, it seems ...
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37 views

Blockchain.com API and needed amount

I have installed Blockchain.com platform on our server and ran some codes successfully based on its Wallet APIs. Regarding to what is said here, as we are testing this platform, we charged the created ...
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22 views

How to run and access Blockchain.info platform on a remote server?

I've installed Blockchain.info local machine on a server and got an API key for it. But it seems it's designed to work only locally and on the port 3000. I need to call APIs from another server with a ...
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19 views

request btc payment when insufficient btc sent

If a transaction was made and not enough btc to cover it, what are the options to add to the btc to cover the transaction. How does the request payment work in this instance?
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2answers
183 views

Can't get the tx with gettransaction or getrawtransaction methods

I am running bitcoin-d (probably downloading the prev blocks) in a shell. In another shell i am trying to get the information of a transaction (...
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1answer
68 views

How to get a readable format of curl with a transaction?

Using curl https://blockchain.info/unspen?active=... with a valid ID I expect an output (according to my book) in a readable JSON format. Instead I get: bitcoin@raspberrypi ~ $ curl https://...
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difference between extended public-key(xPub) and public-key [duplicate]

I wanted to know the differences between the public key and extended public key and their use cases.
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1answer
90 views

How do block explorer sites show information that is not available on Bitcoin Core?

As I understood in the following post How to get unspents for a specified bitcoin address?, we should use listunspent only on addresses that belong to our own wallet otherwise will return blank. But ...
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32 views

Blockchain API address subscription doesn't work

So, I'm using the API provided by blockchain.com to track specific bitcoin addresses. This requires a websocket which I installed. It works for about everything except for the address subscription; it ...
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33 views

Non spendable bitcoin [duplicate]

I downloaded the app because the person who was helping me said they can’t transfer my profits to my luno account and he asked for all my login details now there’s non spendable bitcoin he’s saying I ...
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1answer
65 views

multiple block on the same height?

Just a quick question , in the blockchain api quoting from the documentation it says: get_block_height Get an **array** of blocks at the specified height. Returns an array of Block objects. Params: ...
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1answer
56 views

How does the transaction received from getdata relates to data from blockchain.info?

Say my printed output format is for a tx object is: <Tx version: (version)> ntx_ins: (TxIns prev_output_hash) tx_outs: (TxOut values), total:(sum of TxOut values)> If I ...
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1answer
76 views

Can someone help me find the private key for my bitcoin wallet? [duplicate]

I have a Bitcoin Wallet on Blockchain and i have a imported wallet there where my bitcoin is stuck please help.
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1answer
85 views

Used 12 word recovery seed phrase to restore wallet, then remembered my password to the old wallet

I can now log in using both the old wallet id and password for one, and the new wallet id and password for the other. Both wallets have the same funds from various crypto currencies. Is there a way to ...
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1answer
167 views

Why was giving someone else my 12 word backup a bad idea?

I lost my bitcoin last night when someone on blockchain support asked me to tell them my 12 word backup in order to reverse my bitcoin transaction that was unconfirmed at that time. Finally, my ...
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21 views

Blockchain.info block explorer help

Using the python blockchain.info client When I attempt to get blocks and print the result I get this output: <blockchain.blockexplorer.SimpleBlock object at 0x103c6b208> How can I access the ...
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3answers
124 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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1answer
45 views

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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1answer
134 views

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
20 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
101 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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20 views

My transaction has been on pending for 48hrs [duplicate]

Please I need help and I need to know how long it will stay and I don't change my transaction fee
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0answers
20 views

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
398 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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158 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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59 views

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
245 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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61 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
57 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
39 views

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
76 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
76 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
98 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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