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Questions tagged [blockexplorer]

BlockExplorer is a website that displays information about the bitcoin block chain.

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3answers
28 views

How bitcoin application in production retrive UTXO's

AFIK, UTXO of an address cannot be retrieved using bitcoin-core, without importing the address in the wallet. How are application in production able to get UTXO ? Does all the application use ...
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1answer
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How can Blockchain.info query information from the blockchain faster than I from my own node?

I've just run a Bitcoin node but I don't understand how blockchain.info or any other blockchain explorer works. I mean, sometimes I have problems like "socket.timeout". Shouldn't it be faster to query ...
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2answers
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Blockchain Explorer says received but it's not received yet!

I sent some Bitcoin to my friends wallet since 2 days ago. It says approved and sent successfully on my end. And even on blockchain Explorer it says confirmed and received. But my friend says he hasn'...
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Esplora on local elementsregtest - parse failed: data not consumed entirely when explicitly deserializing

this is related to esplora (the block explorer) and its electrs backend API. Is it possible to run esplora for a just a local elementsregtest? When I launch electrs this is the error I receive back: ...
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2answers
101 views

Bitcoin API with bech32 support

Since a while, I have been using the insight-api to view bitcoin transactions. However, recently I have found out that bech32 addresses are not supported. Now I try to fix this issue and I am open ...
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0answers
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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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1answer
59 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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1answer
126 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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1answer
161 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
61 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
99 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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1answer
37 views

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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1answer
691 views

What is the difference between chainstate and blocks folder?

Is the blocks and chainstate folder store the same blocks data ? How can we read those data using code and display that on the web frontend like the blockchain explorer websites
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2answers
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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
35 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
335 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
315 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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1answer
74 views

Is there a block explorer for Ardor Testnet?

I'm looking for a block explorer for Ardor Testnet, but can't find one. I know of http://ardor.tools but that is only for main net.
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1answer
241 views

Do all wallets use specific explorers?

Do all wallets use specific explorers? If so, is there a way to identify which explorer the wallet is using? Most of the major-mid tier wallets seem very ambiguous or don't seem to mention this at all....
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2answers
460 views

Lightning close-channel transaction example?

From this article, I can understand that a punishment-based bidirectional payment channel (the type used by Lightning) would contain roughly this bitcoin script as one of the outputs: OP_IF “+7 days” ...
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0answers
374 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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1answer
680 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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1answer
47 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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1answer
198 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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1answer
49 views

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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1answer
317 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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2answers
59 views

Do mined coins show up on blockchain explorers and can the balance of the addresses that mined the coins be seen?

Somebody wants to do a deal for a bitcoin transaction but when proof of the coins is required they say that the coins will not show up on blockchain.info as they were "mined coins". Is this really ...
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1answer
41 views

Why is explorers shows different difficulty values?

Just take a random block for example, for block 506068, blockchain.info shows difficulty as 2,603,077,300,218.59, while blockcypher shows 392,962,374, do the explorers use a different way to calculate ...
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1answer
62 views

Discrepancy Between Nonce for Single Block

I'm looking at nonce data from blockchain.info for block #1 ( https://blockchain.info/block/00000000839a8e6886ab5951d76f411475428afc90947ee320161bbf18eb6048 ) and it shows a nonce value of 2573394689 ...
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1answer
401 views

Litecoin explorer that accepts M-prefixed segwit addresses?

Just realized that the litecoin explorer I was using (blockcypher) doesn't allow me to input M-prefixed segwit addresses (more info). Any other litecoin explorer that can do this?
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190 views

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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1answer
202 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
196 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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2answers
268 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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1answer
25 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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1answer
391 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
1k 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
115 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
805 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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0answers
129 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

If the bitcoin address changes every time, why there is more than one transaction for an address in the ledger?

I was checking a random address in blockchain.com, there are alot of transactions that is done over this address. While in the website it is mentioned that the address is changing everytime! So it ...
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1answer
2k views

Which block explorers recognize bech32 addresses?

At this time, blockchain.info doesn't. Neither does blockchair or blockcypher.
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2answers
916 views

Connect already running bitcoind with bitcore for bitcoin explorer

I want to create a bitcoin explorer using bitcoind. I am using bitcore and insight API for this purpose. I am already running bitcoind in my local system . I want to connect this running bitcoind ...
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1answer
753 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
2k views

Help with bitcoin gold explorer: using explorer after fork [closed]

I tried to view my free BTG using the bitcoin address, but it doesn't recognize the address. The explorer was at: btgexplorer.com. Yet, when I try the same thing at bitcoingold.org, there they have a ...
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1answer
511 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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1answer
455 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
297 views

Is there a good blockchain explorer like blockchain.info available for bitcoin cash?

I usually use www.blockchain.info for bitcoin if I want to get information about: a specific address (transactions, balance...) a specific transaction (source and target address, amount, fees, etc.) ...
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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 ...