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.

107 questions with no upvoted or accepted answers
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0answers
543 views

Blockchain.info may have created a bad private key

A few weeks back, a client wanted to pay me in bitcoin so I created an account at blockchain.info. The transaction went through and the coins show in my account. When I tried to use it however, I ...
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530 views

Blockchain.info Shared Send

Can anyone comment on the trustworthiness of blockchain.info's mixing service (shared send). Also would it be possible for things to go wrong internally resulting in my loss?
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2answers
2k views

Reading Bitcoin Raw Transaction

I want to understand Bitcoin data structure. So i try to understand a raw transaction in json format. When i checked the blockchain.info API documentation, i see that input structure is defined for ...
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3answers
1k views

Get transaction that spent a transaction id

The blockchain.info API allows for querying information about a particular Transaction by its ID. But if you want to follow the coins to the next transaction, I'm not seeing what the next query should ...
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1answer
182 views

Format transactions into “from”, “to”, “value” and “cost”

I'm trying to write a script that parses the entire blockchain into a database. But I'm having issues figuring out how to store what I need to then aggregate the results and build a transaction list ...
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0answers
17k views

How to delete my BlockChain.info account?

Is there any way to delete a BlockChain.info account? I am not able to find any such option in settings.
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163 views

Can't access BCH from non-default wallets in blockchain.info

I have 3 additional wallets in my single blockchain.info account. When creating the passphrase and importing the 12 words in Electron Cash application, I was only able to see the amount from my ...
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0answers
221 views

Can't access Blockchain.info API using ASP.NET

I am using ASP.NET(VB) to call API Try Dim strUrl As String = "https://blockchain.info/tobtc?currency=USD&value=500" Dim request As WebRequest = HttpWebRequest.Create(...
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2answers
625 views

How can I get the date of the last transaction from the blockchain.info API?

Is there a way to request the date of last transaction via API? I run a request to see balance of my addresses and need to request the date of the last transaction, how would I do that?
2
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1answer
395 views

receive payement bitcoin api like blockchain API v1?

I am looking for a API function as the first version of the API blockchain.info (no API key). If there are none, I'd like you to tell me where to turn to create an API with a similar operation and a ...
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0answers
2k views

Transaction rejected by our node. Blockchain receive API

I use the Blockchain.info receive API with great succes. Yesterday I created a new address: 1MMVp6fzZ6QrVYXg9iRSJb5PsM8crq5iMZ It received 1.5 BTC and was transferred to my BTC address (unfonfirmed). ...
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0answers
549 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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448 views

Bitcoins deducted from Multibit wallet but nothing was sent

I sent 1 bitcoin FROM Multibit wallet TO this address 19xQJNmK3Ys4pXwMh11mwdfky4wNsNDj1Z. The transaction was stuck at "Seen by 1 peer, not confirmed" for more than 7 hours. Checking blockchain....
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73 views

Determine which are the successful transaction using BlockChain API

From this BlockChain API http://blockchain.info/address/1AJbsFZ64EpEfS5UAjAfcUG8pH8Jn3rn1F?format=json Are those considered as successful transaction? If not, I would like to know which are ...
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0answers
737 views

Missing transactions with blockchain.info

All of the quick send transfers I've made on blockchain.info do not show up in my blockchain.info history. Furthermore, a person I have made a few quick send transaction with is claiming 0 ...
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1answer
428 views

Why can't I use Electrum seed to recover my wallet on Trezor and Blockchain.info?

I wanted to use my BCH after the hard fork so I was going to import my wallet on Trezor or Blockchain.info since they support BCH (Electrum doesn't support BCH AFAIK) but it seems both Trezor and ...
2
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1answer
186 views

Is there any party who is archiving all transactions that have been broadcast?

There is a person claiming that Blockchain.info/wallet sent a transaction but for whatever reason that transaction never got included in a block. If the transaction is valid today but perhaps just ...
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1answer
37 views

How can I download a single Bitcoin block?

I just started studying bitcoin. I would like to be able to download a single block from the Bitcoin network. I referred to the following: https://blockchain.info/rawblock/...
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22 views

Is there an API to create transactions in the Bitcoin blockchain with only a private key?

Is there an API to create transactions in the Bitcoin blockchain with only a private key? I am new to working with the Bitcoin and using its API. So, I have searched the API documentation. And here is ...
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1answer
62 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
282 views

bitcoin cash from fork no longer visible on blockchain.info

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
682 views

Error in blockchain.info wallet

My problem is that I can not do any transactions at all because of an error. BitcoindException(super=com.neemre.btcdcli4j.core.BitcoindException: Error #-26: 66: mempool min fee not met, code=-26). ...
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771 views

Stolen Bitcoin from Blockchain

I looged in to Blockchain via the smart phone app and chose send btc. Selected send all included fee. I did not enter any recipient address. Received message that bitcoin address was incorrect. ...
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0answers
271 views

Get fees for each transaction in a block without too many API calls

Using Blockchain.info's API, my current approach is to query the endpoint for a block then to collect all the transaction hashes within that block: https://blockchain.info/rawblock/$block_hash Then ...
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0answers
375 views

Block chain receive payment api not working

I am building a little online app to accept bitcoin payments in my website. I have a blockchain.info wallet and I am following their Receive Payments Api, which can be visited here: http://blockchain....
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0answers
51 views

Can I get the size of a future transaction from Blockchain.info API?

Let's say I want to send 1 XBT to another address, from my own Blockchain.info wallet. When I try to do this transaction from the website of Blockchain.info it states the recomended transaction fee I ...
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0answers
387 views

Connected Nodes List

List of nodes blockchain.info is connected to... Total Connected: 0 Link on blockchain.info This service is temporarily unavailable?
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1answer
2k views

Validation Error: Error #-26: 258: txn-mempool-conflict

I am getting this error message. What does it mean? Validation Error: Error #-26: 258: txn-mempool-conflict
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633 views

How can I see the wallet balance using Blockchain Api? C#

Stupid question, but I cant get it So, then I type my wallet adress on blockchain.info I immediately can see my balance, but from my project I can't type something like: WalletAddress wa = new ...
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0answers
1k views

How is the Blockchain.info Bitcoin Market Price Exactly Calculated?

I am about to apply traditional univariate GARCH tools to analyze the volatility of the Bitcoin - US Dollar exchange rate. The index that I would like to investigate is the Bitcoin Market Price (...
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0answers
53 views

Blockchain Receive API

I have different question besides coding. It's about API so I though it's not that bad idea to ask it here. Blockchain has API like that: https://blockchain.info/api/api_receive but every time user ...
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0answers
47 views

What other wallet service has integrated a message attach feature like public notes used in blockchain.info wallets?

What other block explorers or wallets that has integrated a public note feature like blockchain.info? I'm looking to attach messages to transactions.
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0answers
137 views

API request of blockchain.info over Java stops spontaneously

In my java class, I extract the hash of transactions from the files of blk...dat, then obtain the data of the corresponding transactions via reading from the URL: https://blockchain.info/rawtx/+ hash. ...
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0answers
409 views

Blockchain.info handling gap of 20 unused addresses limit

I am looking for a way to handle the limitation of Blockchain.info, for which it will stop generating public addresses (or at least watching them) after 20 consecutive of them don't have any ...
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0answers
103 views

I imported my private key into blockchain.info but it says 'no free outputs to spend'?

After two days of researching I finally got my private key! However when I import it in Blockchain, it says 'no free outputs to spend'. How do I fix this?
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501 views

Blockchain.info Receive Payment callback problem

I am setting up a website to accept bitcoins using blockchain.info API, it's all set, code is ok, tested and working, I receive payments and everything but blockchain.info just won't call the callback ...
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0answers
205 views

Blockchain.info block explorer error: Transaction rejected by our node. Reason: None Standard Script Output OP_RETURN 4f410100010100

Searching for a specific colored coin transaction on the blockchain.info block explorer yields this error: Transaction rejected by our node. Reason: None Standard Script Output OP_RETURN ...
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70 views

About blockchain.info Api Usage

When I got the code I use a url such as abc.com and I hope to know if I use my api in def.com will it work? If so what is the url meaning? Every time it will generate wallet and if I use this API to ...
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0answers
383 views

blockchain.info says transaction is complete but electrum dosnt show it

https://blockchain.info/address/12tFogx4zzsZzCwWAXfb36gaPHkt3FNU3P?filter=5# is the transaction page for my wallet address help? i just got $9 and i want it in my wallet but its not there (its almost ...
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0answers
72 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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0answers
131 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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0answers
1k 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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0answers
937 views

API Call when a transaction is unconfirmed

Is there a way to get blockchain.info API call to know when the network sees an unconfirmed transaction? I'm also interested in any other method to get this result. The API works fine on the first ...
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0answers
476 views

When you sweep a private key at Blockchain can you sweep the key in HEX format?

It would be useful to know this because I have made a 64 character hex private key by hand and generated the address without storing the key in WIF format. I don’t want to go online, input the hex key ...
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0answers
231 views

When computing a normalized transaction id, when do I finalize the sha256 hash?

I'm trying to compute the normalized transaction ID so that it matches what is on blockchain.into at the following URL http://blockchain.info/q/hashtontxid/ --- normal TX ID here ---- Given that I ...
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0answers
557 views

Does blockchain.info's json-rpc api return invalid json?

example response for getting a block: {"id":"0","result":{"tx":[1ddd2f103625405389705637ab69603de692a22e86f06428a2... there should be a " after the "tx":[
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0answers
98 views

Is there a comparison between different blockchain.info's wallets?

Blockchain.info has different ways to access their wallet, and I'd like to read a comparison of these different apps, especially concerning their security. I am mostly interested in a comparison ...
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0answers
1k views

Cannot seem to recover my privatekey Or import my wallet on blockchain why? help

Help, i was running bitcoin and i saw this error message popup saying...f.cloud.github.com/assets/4311082/448597/… what could be causing this and how can i fix it? *Update*I fixed it by backing up the ...
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0answers
1k views

trying to use blockchain.info donate button

I am trying to put a donation button on a web page. I copied and pasted the code obtained by clicking the Donation Button on this page: https://blockchain.info/address/...
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19 views

Parsing transaction hash from rawblock data

I got block raw data next url https://blockchain.info/rawblock/00000000000000000002447735c7723ee9188322c0938e6587866a4458b9135f?format=hex Can I find transaction hash in url used python?