Blockchain.info is a service that offers [tag:e-wallets], and allows exploration of the blockchain.

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What does this blockchain.info error mean?

I added bitcoin payment to my website with bitcoin daemon, but one user is having an error with the blockchain.info API: Warning! this bitcoin address contains transactions which may be double ...
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I have lost my blockchain.info wallet identifier and used a fake email, does anybody know if its recoverable still?

I have the password and mnemonic phase, thanks so much for any help
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i set API whitelist for my server IP (site) and restricted others, i'm no longer able to login

i set one IP whitelist for my server IP (site) and restricted others. I think it was for API but looks for all the wallet access. i'm no longer able to login. What can i do now to have access again? ...
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150 views

Is it considered safe to create a wallet on blockchain.info?

I created a wallet on blockchain.info. Why is blockchain.info is not listed on "Choose your Bitcoin wallet"? Is the blockchain.info wallet considered safe?
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21 views

Blockchain.info not sending my IPN to my website

Ok, so I have set up my blockchain.info API. But when I send a payment to the address given, it doesnt send the data. I use the exact same settings and callback in the testing, and it works amazingly. ...
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98 views

Cannot access blockchain.info through Tor browser?

I created my first wallet using bitaddress.org and put some money in it, which I am not able to spend, since this wallet doesn't have that function. So I decided to import this wallet to blockchain ...
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19 views

How to transfer bitcoins from blockchain.info?

I want to transfer bitcoins from blockchain but I don't know how. I have a bither and I want to transfer it there. How to transfer bitcoins from blockchain.info to bither?
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1answer
19 views

Retrieving BitCoin Payments, Confirmation Question

I'm receiving BitCoin payments via the blockchain.info api. I notice it sends a confirmations parameter, and it also continues to call the callback url until the response is *ok*. Instead of ...
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1answer
68 views

Problems with Blockchain API

Im having problems because when a user pay to a forwarding address, the forward address receives bitcoins instantly, but takes nearly 1 hour to send those bitcoins to the destination address, the real ...
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26 views

Unknown key format when importing Private Key from Multibit to Blockchain.info

I'm trying to import a Private Key from MultiBit into Blockchain.info, but get an error saying "Error importing private key: Unknown Key Format". Is my MultiBit key in the wrong format or something?
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4answers
1k views

How can I withdraw my bitcoins from my blockchain wallet and convert them into cash?

I tried to withdraw from my blockchain wallet from blockchain, but I don't understand how to convert to cash and withdraw to the financial establishment available in my country.
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2answers
370 views

Blockchain - How can I cancel my blockchain transaction, unconfirmed after +1 day

I am using blockchain.info. I have made a bitcoin transaction of 4.79 BTC to the address 1DWaEfPbcKQvjMi9D9eNMrVRQzWiSLVvaS. (exchanger) You can see the transaction at ...
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1answer
30 views

blockchan.info payment processing, how long?

I try to implement the payment processing API from blockchain.info I created a request by the example of their website, and receive a generated bitcoin adress: See an example here: ...
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1answer
33 views

Blockchain.info transaction unconfirmed for several days

I swept a paperwallet to blockchain.info and the transaction has been unconfirmed for several days...it looks like it was sent in multiple tiny transactions. Has anyone seen anything like this before? ...
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11 views

BitCoin Api, Result Keys,BitCoin Protocol documentation

I am developing android application using https ://blockchain.info/api. i am having problem to understand the Keywords used in result for https: //blockchain.info/address/$bitcoin_address?format=json. ...
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1answer
36 views

BlockChain API playground OR SandBox?

I am android developer. I have used https://blockchain.info/api/blockchain_wallet_api API for my application But the problem is now how can I test my application (transactions) with out having ...
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2answers
68 views

bitcoin stuck with no confirmations [duplicate]

I'm quite new to this. I have transferred coins to a wallet 4 hours ago and I'm still stuck with no confirmations. I do have a Bitcoin wallet on blockchain.info. I transferred from Bitcoin market ...
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1answer
24 views

What's the point of the hash160 field in blockchain.info API?

I've been wondering who/what could use the hash160 field of the blockchain.info API. For example, for the address "1N3Xxt13zbDLU66aSBiMB7AjRW1UiUFAau", the hash160 value is ...
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1answer
44 views

Getting bitcoin globe data

I just saw this bitcoin globe https://blockchain.info/nodes-globe?series=topBlockRelay It has two modes,"Online Now" and "Miners". I wanted to ask if anyone knows what the bars and colors stand for ...
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1answer
46 views

Blockchain API whitelist all IP addresses

I am currently trying to implement the blockchain API in my application. I have done this successfully however, I am having trouble whitelisting IPs. Each time a user accesses the app with a different ...
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28 views

Bitcoin core 64 bit has freezed

I downloaded bitcoin core 64 bit and it was synchronizing. I turn my laptop off and open the program again and now it frozen at " loading block index " . I have bitcoins on it. What should I do now ?
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1answer
33 views

How to cancel the callback url registered on blockchain.info

So i was testing the Blockchain receive API, and during the first trial, I had a typo on the callback url. Does that mean blockchain.info will retry to call that bad url 1000 times before it finally ...
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2answers
163 views

Blockchain.info - Forgot My Secondary Password. How to recover it?

I haven't accessed my blockchain.info account and I completely forgot my secondary password in order to send out bitcoins. I still have my mnemonic, but that's totally useless and MISLEADING as it ...
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1answer
16 views

advice on broadcasting a transaction

Sorry in advance if this question has been asked (I couldn't find it), but what is the best way to broadcast a transaction to the network programatically. I know that blockchain.info has /pushtx but ...
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1answer
82 views

blockchain.info transaction timestamps set into the future

There seem to be some irregularities with Blockchain.info's transaction timestamp (aka Received Time) for a set of blocks. The transaction times are recorded with unix timestamps well into the future ...
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53 views

What does this transaction mean?

First things first, I'm a newbie in everything related to bitcoins. I'm analyzing a few tens of addresses checking which ones have received payments, and one of them is the following: ...
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38 views

bc.info transactions with no timestamp

The last transaction in blocks 219882, 219888, and 219892 don't have a timestamp. And by last transaction I mean the last transaction shown in the json file. 219882 219888 219892 I find this to ...
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2answers
76 views

Transaction marked as “Newly generated coins” on Blockchain.info

On blockchain.info I saw a transaction labeled as "No inputs (newly generated coins)". Are these new coins generated from mining? How come that such a transaction can have 30 confirmations, while ...
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40 views

Is this pattern a tracking method or just a Bitcoin wallet making change to itself?

While following a particular transaction from a donation received in 2011 I noticed a pattern in the block chain. The entity donating would send .001 to an address and the remainder of the wallet ...
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1answer
219 views

Blockchain Receive Payments API Not Working

I want to accept payments with the Blockchain Receive Payments API (https://blockchain.info/api/api_receive) but I can't seem to figure out how to work it. I cannot test it too much because there is a ...
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32 views

Blockchain API - can I use it to find out number of transactions above amount x sent to an address?

I understand I can use the Blockchain API GET command to get the number of transactions that have been sent to an address (n_tx), but can I use the API to only return transactions in this count that ...
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1answer
51 views

How do I get the originating address using Blockchain.info's recieving API?

I'm using the blockchain.info/api/api_receive I have everything working fine but when I made a payment I can't find (in the callback) the bitcoin address of the payer, only the address of the ...
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34 views

Bitcoin payment using blockchain API

We have used the bitcoin payment by using blockchain API. Amount is not transfer by using blockchain API. In include.php we have configured to our database.We expect to send amount from Account1 to ...
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42 views

How to start https and http call according to enviornments

I am using insight api's for block chain. I have installed an ssl certificate for secure connection. In development mode, all calls should be http; in production mode, all calls should in https. There ...
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2answers
52 views

How to import data from Blockchain.info to Excel

can anyone explain how to transfer data from Blockchain.info to Excel. I am not familiar with the CSV format. Thank you in advance!
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59 views

Receive unconfirmed transactions using Insight API

I am new to Insight API. I want to receive unconfirmed transaction that are being broadcast to confirm by a miner to add in a block. I am using Insight API using RPC client. How I can get ...
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1answer
89 views

Send download link of a file after Bitcoin payment

I'm starting an online business. My website is hosted on OVH I would like to send a download link after a bitcoin payment. Are there specific stuffs I should be aware of? Is this difficult to ...
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1answer
207 views

How to generate a private key to create wallet through api in Block chain

I need to pass private key while creating a wallet in blockchain.info through api call which is defined here https://blockchain.info/api/create_wallet I'm using php for creating wallets. Please ...
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1answer
73 views

blockchain.info and blockexplorer.com show different balance for the same address

Does blockexplorer.com have a bug or some other reason? https://blockexplorer.com/q/getreceivedbyaddress/1KWd23GZ4BmTMo9zcsUZXpWP4M8hmxZwRU 1.95331249 ...
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96 views

Blockchain.info RPC API and deposit/withdraw problem

I'm using blockchain.info RPC to detect deposits using Node.JS as server, using listTransactions method. Because blockchain.info doesn't has walletnotify api. When processing deposits, there is no ...
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1answer
117 views

Multiple bitcoin transactions between addresses in the same wallet

I have two wallets: one in coinbase and one in blockchain.info. I imported several outside addresses(created in bitaddress.org) in my blockchain.info wallet. However, sometimes when I transfer ...
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113 views

Blockchain.info Wallet Format

I've noticed that BCI's Wallet version has been updated to version 2 in recent times (and also employs key stretching, amongst other security features). I've referred to BCI's Wallet Support Page and ...
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2answers
181 views

Bitcoin spend before received

When browsing the blockchain.info I came across this address. It seemed peculiar to me, that the amount of 0.6 BTCs has allegedly been spend before received. Is it because the "receiving ...
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299 views

blockchain.info websocket: Error code = 1006, Unexpected end of stream

I am using javax.websockets to have a webSocket connection with Blockchain.info, except that it closes down after random intervals, and I can see the close reason as: 'Unexpected end of stream', ...
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1answer
71 views

Sites for searching the blockchain?

This is a general question, but what's the best way to search the blockchain? Blockchain.info lets you search by address, but it seems to be a side feature instead of its central purpose. Are there ...
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1answer
114 views

How to get the list of transactions that has gone into an address with the amount and date?

How to get the list of transactions that has deposited funds in an address, including information about the amount that has been deposited (sent towards my address not sent away from it), and the date ...
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191 views

Can't withdraw from blockchain.info: “Private key does not match bitcoin address [my address] = [probablyprivkey1] | [probablyprivkey2]”

I have some BTC (and I really need money now) on my Blockchain.info account, I can't withdraw them (just send them to another BTC address) as it tells me "Private key does not match bitcoin address ...
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220 views

How does blockchain.info api works?

Calling https://blockchain.info/multiaddr?cors=true&active=15PFsB56YYXwXSW6byaxHXfgGz2ySWnDzN I get a json response which I can not figure out if it has some sort of error or that I'm ...
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1answer
95 views

How can I use a vanity address as my main address

I obtained a vanity bitcoin address (1MonkeyQWbMzny7BNTA66W9wv6KaCFFAB7) along with its private key. I would like to be able to use this as my main address. Sites like BlockChain.info allow you to ...
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1answer
70 views

Why does Blockchain.info's My Wallet tx volume seem to exceed to total bitcoin network volume?

I was looking at Blockchain.info's tx volume (in BTC) over the previous year. It goes from about 100k to 400k BTC per day with a peak of over 850k BTC around November. ...