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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1answer
72 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 I wish to withdraw the BCH from Poloniex however am unsure of where it can be withdrawn to.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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3answers
1k 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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1answer
528 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
975 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
510 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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6answers
3k 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
390 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
363 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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1answer
490 views

On Blockchain.info, how many addresses can I pass into one API call?

Most of the Blockchain.info API calls (eg Unspent outputs) allow you to specify multiple addresses in one call separated by "|". Is there a limit to how many addresses I can pass in? If I pass in ...
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3answers
3k views

Api Base URL for Bitcoin Cash

I have Successfully integrated Bitcoin To get payment so to verify Transaction from given address, I use https://blockchain.info/multiaddr?active=$address|$address , which is working for Bitcoin. ...
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2answers
194 views

Private Key Problem

I made an blockchain.info wallet and I want to obtain the private keys for my addresses. In my old blockchain.info wallet, I could find the private keys, but in the new one the private keys are not ...
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1answer
740 views

How to listen to an address or transaction_id continuously?

I am running bitcoin core on my node. I have two questions. 1) I want to get notified whenever there a new transaction in the blockchain. 2) If I give an address, I should get all the details about ...
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1answer
216 views

Can I export my funds from blockchain.info with the backup phrase?

For some reason lately Blockchain.info's 2FA emails haven't come through. I tried resetting 2FA emails with my back-up keys and did it successfully but now the 2FA emails aren't coming to the new ...
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1answer
1k views

Recovering the private key from a blockchain wallet address

One of my friends used my wallet to import a funded blockchain wallet to my wallet id. First this wallet is watch-only and I can't spend the bitcoins inside this wallet because I need the private key. ...
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1answer
1k views

Where do I obtain private keys?

Just received my profits from a "watch only" address, where do I obtain private keys?
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2answers
749 views

What options do I have to avoid API gap limit? I am using xpub keys

I am building a app, and the design is, the "welcome page" has a qr code allowing the user to purchase a single-use of the app. Blockchain.info conveniently allows you to use xpub to generate ...
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1answer
591 views

Where is the extraNonce in this coinbase transaction here?

https://blockchain.info/tx/c1669dabe1bcadf50c4b712e42da7b3d3152aef53752731b04a4f585dde6f5f2 The coinbase states this: ...
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1answer
545 views

Does blockchain.info show balances for addresses that are in cold storage?

If a miner mined a large amount of coins and these coins were stored offline once generated, would the balance of the addresses that hold these coins still be viewable on a blockexplorer like ...
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1answer
290 views

bitcoin cash from fork no longer visible on blockchain.info [closed]

I had bitcoin before Aug 2017 on Blockchain.info. After the fork there was a period of time that i could see my BCH balance in Blockhain.info's settings. i can no longer see it. how do i get access to ...
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1answer
81 views

How to access a blockchain.info wallet's funds from another site like greenaddress.it

I have imported a wallet to Blockchain.info but because my country now blocks the access to Blockchain.info I can't access my funds in that wallet. How can I import or somehow link my wallet to ...
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1answer
792 views

Blockchain.info testnet payment APIs

I have created a testnet wallet on testnet.blockchain.info and added some testnet bitcoins to it. I want to test the payment APIs so I am following the documentation on how to Generate a receive ...
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1answer
291 views

Search xPub address on a full node

I am running a full node & using bitcoinABE to run a block explorer. I have couple of wallets on 3rd party wallet providers where I can do xPub Similar to blockchain.info xPub search how do I do ...
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1answer
2k views

To generate private key

How can I generate a private key to spend the bitcoin of a watch only addresses that is in the imported addresses of blockchain.info?
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1answer
219 views

Questions about blockchains, network trust and why becoming a node? [closed]

everyone, I'm a software developer and I'm striving to understand the concepts behind blockchain and the projects running on them. I'm not sure if this is the correct place to ask these questions, ...
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1answer
200 views

How to check relays of tx?

I believe a tx is made of an output of previous tx. So, I also believe that all tx are traced back to tx originally created (as a mining reward). But, in blockchain.info and blockexplorer.com, I could ...
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1answer
340 views

Tracing SegWit transaction via blockchain.info [duplicate]

Blockchain.info give some strange information. For example for transaction 6e58d8c695e3e42c5a7807e2ed99ad7f7731658dfb0d62cdfef44dad8964b350. Outputs is in unreadable format. Please can you help to ...
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1answer
131 views

Problem of crashing command on “lightningd/lightningd --network=testnet --log-level=debug”

When I try running the "lightningd/lightningd --network=testnet --log-level=debug" after sucessfully starting the Bitcoin server using the "bitcoind -daemon -testnet" ,following issue occurs: ...
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1answer
2k views

blockchain.info says password is incorrect, and wont allow me to access my BTC

I had a wallet ID through blockchain.info. I signed in, received my BTC from where I bought it, all was good. I wrote down my 12 words for recovery and have them. I changed my password to something ...
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1answer
388 views

Recognize Bitcoin address from block hash, and transaction hash

I'm building a block explorer using blockchain.info and their API https://github.com/blockchain/api-v1-client-php/blob/master/docs/blockexplorer.md but what I don't understand is, what is the best ...
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1answer
280 views

Getting error while running Blockchain.info api

I am getting error as {"error":"Not found"} when I am trying to run the blockchain.info wallet api service locally on my computer. I was getting the error of "Address in Use " error when I ran it on ...
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1answer
513 views

bitcoin fork getblocktemplate keeps reporting downloading blocks

I got my own hard fork of bitcoin from forkgen.tech. The fork has happened after block 506016. I have 2 nodes running and after syncing up to block 506016, I want to run a pool server. But the ...
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1answer
1k views

Blockchain Receive Callback API in callback url not working

I want to accept payments with the Blockchain Receive Payments API Using create different user different address on get bitcoin but not work Callback api https://blockchain.info/api/api_receive &...
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1answer
38 views

For every new block, does the miner need to read through all historical transactions?

Let's say I am about to send bob 5 bitcoins, but in the past I've done 1 million individual transactions. When a miner is putting my most recent transaction into a block, do they have to go through ...
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2answers
2k views

Bitcoin sent to Bitcoin Cash address, How to Recover? [duplicate]

A friend asked for my Bitcoin Cash address to send some BCH, but after giving her my Bittrex Bitcoin Cash wallet address she instead accidentally sent Bitcoin and not Bitcoin Cash from her Blockchain....
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1answer
489 views

blockchain.info wallet doesn't show transactions made through api

I've been accepting orders on my website for several months using blockchain.info api. Everything worked smoothly until few days ago. At the moment I have two transactions made through api, both seem ...
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1answer
378 views

Will blockchain.info change my BTC adress each time after i SEND my BTC?

I would like to know a way to send BTC from 1 wallet but different adress each time. (because of transaction fees i dont want to use few different wallets for this) Blockchain.info changes your BTC ...
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1answer
575 views

getting bch out of my paper wallet

Hi anybody who can honestly and simply tell me how to get my bch out of my paper wallet. I went to blockchain.info and transferred my bitcoin which I had on my paper wallet before Aug 1rst--into their ...
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1answer
481 views

Getting Imported address privet keys. (Blockchain)

Am trying to get the private key for an imported address but am unable to do so. I did tried to use the blockchain method but still unsucessful as I don't have the private key on the tab.
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1answer
184 views

Discrepancy between blockchain.info live unconfirmed transactions page and chart

I'm looking at the live unconfirmed transaction page at blockchain.info, https://blockchain.info/unconfirmed-transactions which currently as I write this is running at around 166,000 transactions. ...
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1answer
183 views

Array of individual transactions from blockchain.info

As a little learning/hobby project i'm writing a little c++ program to extract a list of transactions from blockchain.info and show it visually. I was hoping i could iterate through blocks, taking ...
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1answer
732 views

Blockchain.info and fetching transactions for a address between dates

I'm trying to fetch transactions for a certain bitcoin address, but I only need to fetch transactions within a specific date range. Now, I had a look at the blockchain.info api and it seems like the ...
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1answer
35k views

How to find private key in blockchain.info account?

I have been trying to send some bitcoin from my blockchain.info account but was asked to provide my private key how can I find my private key on blockchain wallet?
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1answer
382 views

Is it possible to build a blockchain explorer to put on aws?

Can I download the blockchain onto a cloud service then build an api to search it? maybe put it on a noSQl database? What would be the best way? Or even better, is there a way to not download the ...
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1answer
1k views

How to move blockchain.info api created wallet to be used by bitcoin core

I originally created my wallet through the blockchain.info api. I have since downloaded the bitcoin core and it's finishing downloading all the blocks now. What is the process to access this wallet ...
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1answer
660 views

Bitcoin not received from Coinmama to Blockchain Wallet [duplicate]

I made a small purchase from Coinmama and transferred it to my Blockchain wallet. It has been over two hours and it hasn't appeared. I'm relatively new to this, but it has never taken this long. Can ...
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1answer
3k views

scammed by a scammer [closed]

First of all, this is to bring awareness of how an attacher may gain access to a persons' Blockchain Wallet: i hope this never happens to anyone else but it probably will. i am quite new to bitcoin, ...
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1answer
118 views

someone posing as blockchain support cleaned out my account after telling me my account had been compromised/cloned

Sent a support ticket to blockchain because my validation email wallet ID's changed each time. (Using computer) This morning my account is cleaned out! Have transaction details and addresses it went ...
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0answers
108 views

Cannot do anything at all with Bitcoin in my Blockchain.info wallet

Blockchain support is useless, have had a couple of (small) transactions pending since November that will seemingly never get dropped or confirmed. Whenever I try to send anything at all, from any ...
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1answer
158 views

How to reconstruct a transaction detail from the blockchain?

Based on the following blockchain json data, I picked a random transaction and want to understand the amounts transacted: source: https://blockchain.info/block-height/502070?format=json { "...
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0answers
399 views

Where is my BCH - Blockchain wallet [closed]

I had a small amount of BTC before the fork in my Blockchain.info wallet. I got the same amount in BCH post fork. Up until Blockchain started accepting BCH in the main dashboard (November 2017?), I ...

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