Questions tagged [blockexplorer]

BlockExplorer was a service that displayed information about the bitcoin blockchain.

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19 views

What is the best way to pull miner's fee associated with a list of transactions?

I have a spreadsheet containing the transaction ID, datetime, and BTC amount of 800,000+ transactions associated with a BTC address (includes both sent and received transactions). Now I am trying to ...
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Is this the ledger?

Lots of articles about bitcoin say that anyone can see all the transactions that have ever taken place, and they call that "the ledger." But none of those articles give a link for where to ...
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What is the real size of the non-pruned Bitcoin blockchain?

My node (via Bitcoin Explorer) tells me as of now: 340.98 GB Most website online: 280-300 GB Why is there such a large delta?
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400 views

How to get access URL to get JSON output from BTC RPC Explorer [closed]

Currently I'm using blockchain.info to get the balance of an address like this: https://blockchain.info/de/q/addressbalance/1Mj94YLoFudaD4MvfxoUx7nAur5kTeRVFR It outputs the bitcoin balance. Due to ...
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Do I need a Bitcoin full node in order to use BTC RPC Explorer?

I'm thinking of using https://github.com/janoside/btc-rpc-explorer as my json explorer, but I run a pruned bitcoin node. Will this cause issues when running btc-rpc-explorer if I wanted to query old ...
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Explorer for blockchain

I want to develop an explorer for coins(BTC,LTC,BCH,...), like blockchair, or blockchain. I've searched a lot and I have found different answers. Finally, here is my solution. First, I use RPC to ...
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1answer
120 views

Configure esplora to point to the bitcoind servers ip address - Part 3

Continuing on from this post: Configure esplora to point to the bitcoind servers ip address - Part 2 Trying to run cargo run --release --bin electrs -- -vvv --daemon-dir ~/.bitcoin, but it kept ...
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1answer
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Configure esplora to point to the bitcoind servers ip address - Part 2

Continuing on from this post: Configure esplora to point to the bitcoind servers ip address Trying to run cargo run --release --bin electrs -- -vvv --daemon-dir ~/.bitcoin, but it kept saying that ...
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799 views

Configure esplora to point to the bitcoind servers ip address

I have 2 servers running: Ubuntu 18.04 running bitcoind daemon (v0.18.1 full blockchain synchronized) Ubuntu 18.04 running esplora (the local single page website works, but it has no data from the ...
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demonstrate tracking some bitcoin transactions with a program like an explorer

Recently I started to read BITCOIN protocol and it's events when a transaction created. I want to create a program a bitcoin explorer. as you know probably, Each non-coinbase input spends an outpoint ...
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434 views

Bitcoin Testnet API that allows transaction lookup and submission of raw transactions

I'm looking for a well developed, maintained and stable API allowing to access bitcoin testnet. Something like Infura for Ethereum. Googling gives many results, but can somebody point me out what is ...
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308 views

Negative number of confirmations for a testnet transaction on blockexplorer

I am curious about the test transaction f72f59a32c1bac47ec87bc3678ec44e98eece5e235d29d79cd1f5461ccc5bf38. Depending on which site I view this transaction, the number of confirmations is positive or ...
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1k views

Why can't I see my transactions on Blockchain.com?

I've a Bitcoin address on which I made a couple of transactions. From what I understand of the blockchain, the ledger is public and anyone can list the transactions linked to a particular address. If ...
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1answer
124 views

How do these inputs/outputs make sense for this transaction?

Using coinbase, I transferred $1 in BCH to my friends BCH address. Now I am studying the transaction on a blockchain explorer as a learning exercise. See here: https://blockchair.com/bitcoin-cash/...
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1answer
215 views

Open source updated blockchain explorer for altcoin [closed]

Is there updated blockchain explorer available to work with altcoin? I configured the most popular blockhain explorer: iquidus explorer but the transactions display table are limited on display, can'...
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Block Explorers search on TxID

As per this post bitcoin nodes do not maintain an index from addresses to TxIDs and hence querying for the unspent tokens by addresses essentially involves traversing the entire UTXO set. However, ...
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2answers
472 views

How to monitor balance for addresses other than by using importAddress?

Is there any way, other than importaddress, to watch balances of specific addresses? If not, how it is possible for wallets and explorers to give information (balance, transactions) about specific ...
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1answer
90 views

In the case of a criminal investigation, how does one knows which exchange or wallet service a bitcoin address belongs to?

How it was found that the Dao hackers used shapeshift? In a more practical exemple, how to find that 13qCK9VzJCicXeh47W59rh7A6tfun92Sr5 belongs to https://www.blockchain.com using only block explorer ...
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1answer
583 views

Building a small block explorer for fun, stuck with node

Im trying to build a small btc block explorer for fun. The problem where i am stuck is that im trying to setup a node. I got a Ubuntu VPS running and i have bitcoind installed, but what now? Can ...
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1answer
459 views

How to Connect already running bitcoind in AWS to Insight API in different AWS Server

Need to create a bitcoin explorer using bitcoind. I am using bitcore and insight API for this purpose. Currently running bitcoind in AWS Server with all port open. Need to connect this running ...
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437 views

How much disk space does it take to run a blockchain explorer?

I understand that you can use existing explorers like blockchain.info for quick access to individual transactions and address balances, however I would like to run an explorer of my own Like ...
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1k views

Javascript library to explore bitcoin blockchain data by connecting to a local running node

I need to get data of a block using the block height. Is there a javascript library to get block data from the Bitcoin blockchain, by connecting to local running node or a 3rd party blockchain ...
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51 views

Is transactions in bitcoin blockchain always coin transaction?

I'm new to crypto currencies correct me if I am wrong, when I checked the block explorer I found a single block contains nearly 2300 transaction in it and I think at an average every 10 minutes a new ...
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409 views

How to view a bitcoin cash transaction in hex or json?

Is there a block explorer that allows you to view a bitcoin cash transaction in hex or json like blockchain.info does for bitcoin?
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Differents explorers arent synchronized

I have this testnet address: yehZoVH57FwDFC7vBRGK5ptuYHG9DfL2cf I had used this faucet twice: http://test.faucet.masternode.io/ When I access this explorer: https://test.insight.dash.siampm.com/...
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637 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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Programmatically Get Change Address From Blockchain

BIP004 states that a derivation path's 4th digit will be 1 if it is a change address like this: m / purpose' / coin_type' / account' / change / address_index https://github.com/bitcoin/bips/blob/...
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335 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
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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420 views

Which block explorer indexes the keys used in mutisig scripts?

Consider transaction 0846e91bc3afdf2275db14bcbb10e19f141069d77f17dae6bcbd907fd28f4747, which takes money out of the script address 3PJQGGnBQr8DJBdPYowd6Mp2kSWvFFo7Gk. As we can see in the input ...
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29 views

How to look about transtion is complated?

I'm trying to build my own blockexplorer, and to this i need to update a single transtion with confrims, my problems is i can't see how meny confrims there shut be and when my transtion is 100% ...
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472 views

Understanding the iquidus API settings

I am trying to understand what values I am being asked for in the settings.json to install the block explorer for Iquidus. I know how to get the genesis block as I have hard coded it when I did a fork ...
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1answer
2k views

Iquidus JSON settings for Blockchain Explorer

I did a fork from litecoin into my own altcoin and I am trying to get it on a blockchain explorer to run realtime on a website. I chose an open source blockchain explorer called Iquidus which was ...
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1answer
184 views

Why do some blocks not have Miner's name/identity?

I was going through blocks on Block explorer and I saw that some of the blocks were containing the miner's name and some were not. What is the reason behind this? See this sample block for an example....
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1answer
1k views

How do I get Bitcoin block header data with nonce?

How do I get Bitcoin block header data with nonce? There are tens of so called blockchain explorer websites, tens more offering on-line Bitcoin blockchain parsing. But all I need are historic ...
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156 views

Bitcoin network information pubkeyhash privatekey

I am trying to set up a https://github.com/bitpay/bitcore Insight node but for a forked coin of Bitcoin. To complete the task I need to modify the following information but with the forks version. ...
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1answer
1k views

Bitcoin transaction 0/3 confirmation. How do i check on this? [duplicate]

Bitcoin transaction received Nov. 10 and is still 0/3 confirmation. How do i check on this?
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1answer
713 views

First bitcoin payment, sent X BTC, but transaction amount on blockchain.info shows as more than 2X?

I sent 0.01047 BTC through coinpayments.net using electrum. First I selected minimum fee option, then I went back and selected one level higher as the fee tier. My electrum wallet and blockexplorer....
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593 views

Is there a blockexplorer with a websocket API that includes relay IP address?

I have a visualization that shows realtime bitcoin transactions plotted on earth: https://blocks.wizb.it. I relies on blockchain.info's websocket API, which used to include the relay IP per ...
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1answer
2k views

How block explorer technology works?

If you click on random wallet at block explorer you get an instant info of all the transactions, balance etc etc. My question is, how their technology works exactly? Do they transform blk????.dat ...
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1answer
2k views

Walking through a transaction script - blockchain.info

As an example, I would like to consider this transaction: https://blockchain.info/tx/6f7cf9580f1c2dfb3c4d5d043cdbb128c640e3f20161245aa7372e9666168516 I have three questions: 1) The first two entries ...
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Bitcoin Cash: how to check address balance / transactions?

BlockExplorer (https://blockexplorer.com) provides a way to check bitcoin balances. What is the alternative to check for transactions in Bitcoin Cash addresses?
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My bitcoins are stuck I need help please [duplicate]

Ok so I was transfering bitcoins from my wallet on my phone to a friend's computer wallet and I'm pretty sure his address changed halfway​ through because his address is no longer the same and the ...
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1answer
100 views

How did blockr.io see this?

Here's the pushed/broacast-ed tx http://tbtc.blockr.io/tx/info/d8e5dac095d5f6133e6c3f11e1d9f923c04dac0824f9f8ce0000573df7cc8080 txid was malleated to txid (when the tx was added into the block): ...
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1k views

Why does blockchain.info show the warning "Transaction rejected by our node. Reason: The transaction is not final"?

The transaction fc3f81c625720063c5cab2145bcb5ef20b13ff0aa73b0b2435ffdb645acfcb8b has the warning "Transaction rejected by our node. Reason: The transaction is not final." on Blockchain.info. The same ...
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1answer
280 views

Blockexplorer.com API POST error

I'm trying to write Python code which utilises the (Insight) Blockexplorer.com API , particularly the POST functions. I'm testing using the iOS REST app, Restler (see screenshot). The call I'm trying ...
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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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2answers
598 views

Calculating a sum of received bitcoins

I have a list of bitcoin addresses provided by a user and I am trying to find out a sum deposited to these addresses. I am using blockexplorer.com API to obtain transactions. This is a typical API ...
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1answer
1k views

How to get value of incoming transactions from Blockchain.info API

I'm looking at the blockchain.info API and I'm having a difficult time finding the value of incoming transactions. That and the number of incoming transactions are the only things I'm interested in. ...
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1answer
621 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 https://blockchain.info/q/getreceivedbyaddress/...