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Questions tagged [blockchain-explorer]

For questions about applications or services that allow exploring the bitcoin blockchain.

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bitcoin block chain - database - how to request / how to get status of an object? [NOOB]

I wonder about the bitcoin and blockchain. I think I have understand the purpose of a blockchain. (security/decentralisation) Ok we save transaction on blocks validate thanks to the proof of work. But ...
Marcel kobain's user avatar
0 votes
0 answers
19 views

Trying to run Esplora with existing electrs and bitcoind

I'm trying to run Esplora on a system that's already running bitcoind and electrs, both of which are working. Electrs is running on port 60001. echo '{"jsonrpc": "2.0", "...
xxedgexx's user avatar
0 votes
1 answer
22 views

Fnd the most valuable transactions made to a given address

E.g. I wanted to see the largest transactions ever made to Satoshi's Genesis block address: 1A1zP1eP5QGefi2DMPTfTL5SLmv7DivfNa I tried looked on Blockchair under addresses and transactions but couldn'...
Ciro Santilli OurBigBook.com's user avatar
2 votes
3 answers
246 views

Where can I see Taproot scripts?

I am trying to look more into Taproot scripts and was wondering if someone could help me on how to access them? I was thinking of using a blockchain explorer that decodes Taproot scripts but I can't ...
mark's user avatar
  • 35
0 votes
1 answer
307 views

Where can I find a testnet or signet explorer?

We have several questions that boil down to "where can I find a testnet explorer?". Unfortunately, most of the answers on those questions are outdated. I’ve started this community wiki to ...
1 vote
0 answers
58 views

How to determine broadcast timestamp and confirmation timestamp for a given transaction id?

Given a transaction ID, how can I get: The timestamp that the transaction was first broadcast The timestamp that the transaction was first confirmed In this case, I sent the transaction -- so I have ...
Michael Altfield's user avatar
1 vote
1 answer
49 views

Why are unused offline generated addresses showing up on blockchain.com [duplicate]

I've created two addresses using the nodejs javascript library 'bitcoinjs-lib' version 5.2.0. In both cases if I enter them into blockchain.com, they show a zero balance with zero transactions. I ...
nunya07's user avatar
  • 11
0 votes
2 answers
99 views

How can I track my bitcoins to the blockchain?

I'm sorry if this is a stupid question; I'm just trying to learn more about Bitcoin and the blockchain. How would I identify the bitcoins that are mine within the blockchain? I can use Trezor to ...
furn-m-v's user avatar
3 votes
2 answers
750 views

How do blockchain explorers know if the address is really generated?

I am studying how the Bitcoin addresses generation works. As far as I learned, a Bitcoin address appears in the blockchain only after it has been involved in its first transaction. If an address has ...
Alex's user avatar
  • 33
1 vote
1 answer
61 views

What type of transaction is this with multiple senders and which sender pays the fee?

What type of transaction is this https://blockchair.com/bitcoin/transaction/db9342a6924722818555e8ee30a3bf96d43aa2bdc66644f8ccb9b04a12bc2535 that has multiple senders and which of those senders pays ...
Gecko's user avatar
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1 vote
1 answer
44 views

How to parse out the recipient address of "change" from transactions in tx?

I just read in this page that a transaction typically has two addresses, one for the recipient of a transaction and another for the "change" associated with the transaction. My question is ...
bitcoinluvr6969's user avatar
2 votes
1 answer
200 views

What was the first ever BIP 16 transaction? (Read: Not BIP 13)

I'm having a very difficult time finding the first-ever P2SH transaction on the blockchain. I do not have a query tool to answer this question myself, sadly. All internet searches result in this ...
Tom's user avatar
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1 answer
76 views

Why is Bitcoin Core structured as a wallet? I know that it began as a wallet, but is it possible to make it like a GUI block explorer instead?

I'm always frustrated when I open up Bitcoin Core, and then all I get is an empty wallet GUI. I see no information about the block-chain itself. When I want to see on-chain data, I have to go to ...
user avatar
0 votes
1 answer
200 views

How can I search blocks for transactions in which an address was used as output without knowing complete address?

Can I scan the blockchain for transactions if I remember first and last few characters of a bitcoin address which was used in a transaction?
user avatar
1 vote
1 answer
3k views

Searching The Blockchain Based on Transaction Amount and/or Date

I know there are a lot of services to look up if I have the wallet address or transaction ID. But, let's say I have no idea who the sender or receiver were nor a transaction ID but I know ...
azoundria's user avatar
  • 111
0 votes
1 answer
2k views

How can I check the balance for a given date?

Are there block explorers for Bitcoin that would let me check the balance for a given date/height? Or any other option/tool like an API?
kaladin's user avatar
0 votes
1 answer
476 views

What does "Senders" and "Recipients" mean in this context?

https://blockchair.com/bitcoin/address/3GauXQPcAgntyhxFdz9jiEf1VTiZYbNdh7 For each transaction, it mentions, for example: Senders: 80 Recipients: 1 What exactly does this mean? (Also, that's one ...
Dreyon B.'s user avatar
0 votes
2 answers
303 views

How did Satoshi Nakamoto mine 50 bitcoins by creating genesis block? And where can I see blockchain?

According to bitcoin.org, mining is referred to as 'the process of spending computing power to process transactions, secure the network, and keep everyone in the system synchronized together'. First, ...
코스모스's user avatar
1 vote
1 answer
149 views

Understanding zmq notification output

I wrote a blockchain listener program for my testnet node. It's working fine and the output size of new transactions matches the ones monitored by blockchain.com. The output looks like this: No: 476 ...
zerotobtc's user avatar
  • 323
0 votes
2 answers
725 views

is there a way how to explore bitcoin blockchain

if I want to explore bitcoin blockchain for instance get address' information, transactions, and so on. what is the right place where I can grab this info. I tried https://blockchain.info but they ...
DL-Newbie's user avatar
1 vote
0 answers
28 views

Does Liquid block explorer omits range proofs?

I am looking at a random Liquid TX like this one. It is a CT with the total size of 9205 bytes. Am I correct to assume that the bulk of the total size are range proofs, but they are not shown in the ...
DeLorean88's user avatar
4 votes
1 answer
132 views

How can I see the on-chain evidence of a lighting channel?

I am learning about lighting now and I'm trying to check my understanding on-chain w/ a block explorer. I have opened several channels already and closed some also. I would like to confirm my ...
gimballock's user avatar
3 votes
2 answers
208 views

Why do people apparently "look up Bitcoin addresses on websites"?

I often hear things such as: Remember, if you look up an address on Blockchain.info or something, they will have a record of your IP address being interested in that address and thus associate it ...
Sustache's user avatar
3 votes
1 answer
242 views

Why does the block explorer show a different fee rate than what I selected in my wallet app?

I know this could have something to do with the fact that I was sending from a lightning wallet, but I would like to know why the transaction on blockchain.com shows my fee as being ~6.5 sats per byte ...
Wayward Hodl's user avatar
-1 votes
1 answer
110 views

Are there any Bitcoin block explorers still around that log First Seen by node data?

Title.. Hoping to find out when a historical tx went into the mempool. I'm aware this is transient data and not in the blockchain. However i'm pretty sure I remember in the old days explorers used ...
Joe's user avatar
  • 7
3 votes
0 answers
212 views

Orphan blocks explorer

Is there any blockchain explorer that lists orphaned blocks or reorgs? How often does it happen in general? I only found this site which doesn't show any orphaned blocks after 2017: https://www....
premek.v's user avatar
  • 133
2 votes
0 answers
57 views

Does the mempool size as reported by Blockchain.com include the size of txs only?

Does the mempool size as reported by (for instance Blockchain.com) include the sum of the 'size' of transactions only? Or does it also include the overhead (due to indexes, allocation overhead, ...
Hina's user avatar
  • 21
1 vote
2 answers
300 views

Bitcoin UTXO discrepancy in calculation

I'm trying to understand the following two sites that display UTXO information. If I can figure out the method, that would be a bonus for this question but if I can't can someone explain why the two ...
LeanMan's user avatar
  • 167
1 vote
1 answer
2k views

How to quickly get the balance of any bitcoin address? (with no third-party API)

As some people have mentioned (eg. here), the only way to get the balance of an address in bitcoin core was to import it as a watch-only address and rescan the blockchain. Starting with bitcoin core ...
Pedro's user avatar
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2 votes
2 answers
7k views

Blockchain Explorer for local full node

I would like to build my own blockchain explorer because I have found that using the API's of 3rd party blockchain explorers only gives me around 2 or 3 requests per second. Does an open source ...
oshirowanen's user avatar
1 vote
4 answers
452 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 ...
Tharun Prabakaran's user avatar
1 vote
1 answer
75 views

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 ...
mengeroshi's user avatar
1 vote
2 answers
399 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 ...
The Pheromone Kid's user avatar
1 vote
1 answer
259 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....
Jin's user avatar
  • 13
4 votes
3 answers
1k 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” ...
knocte's user avatar
  • 1,784
1 vote
2 answers
111 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 ...
John Murphy's user avatar
1 vote
1 answer
59 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 ...
fluter's user avatar
  • 257
1 vote
1 answer
118 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 ...
David Lynch's user avatar
1 vote
1 answer
2k 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 ...
Rahas's user avatar
  • 13
6 votes
1 answer
2k views

Which block explorers recognize bech32 addresses?

At this time, blockchain.info doesn't. Neither does blockchair or blockcypher.
pinhead's user avatar
  • 5,144
5 votes
2 answers
2k 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 ...
Ajit Soman's user avatar
4 votes
2 answers
13k views

How can I use the Litecoin testnet?

Is there any Litecoin testnet explorer which records Litecoin testnet transactions? Where can a Litecoin testnet wallet be downloaded? Any reference or step by step explanation would be much ...
DOLLY PATWA's user avatar
2 votes
1 answer
1k views

How does a transaction using a Bitcoin payment code BIP 47 look like on the blockchain?

Having that payment code addresses are untracable, how does a transaction look like in a block explorer if someone sends a payment to a reusable payment code?
Patoshi パトシ's user avatar
1 vote
1 answer
452 views

Is there a list of bitcoin block explorers?

Right now I mainly use blockchain.info as my main explorer, but is there a list of other bitcoin blockchain explorers as of today (2017 March)?
Patoshi パトシ's user avatar
1 vote
2 answers
296 views

Do all block explorers show all unconfirmed transactions?

If I want to show someone that I just made a transaction without showing them my wallet, could I expect that it would be recorded on a block explorer immediately?
ProkhorZ's user avatar
  • 174
1 vote
1 answer
269 views

Why are some transactions found on some chain explorers but not on others?

This is something that has puzzled me for a while and I cannot think of a rational reason for it. The transaction 3361d2484f0566ab13d32f2ab321319945f48eaea1ac2cc9f5a79b40528359c3 shows properly on ...
Alex's user avatar
  • 398
6 votes
3 answers
3k views

Open-source blockchain explorer for regtest mode

I'm trying to find an open-source Bitcoin blockchain explorer that will work in regtest mode, so I can more easily inspect the blockchain, see what transactions are getting processed and included, etc....
Alin Tomescu's user avatar
  • 1,337
3 votes
3 answers
542 views

Is there a multi Sig Explorer or Stats provider?

Is there a resource where I can get the past and current number of multi sig transactions, all types?
wizgot's user avatar
  • 333
3 votes
1 answer
2k views

Installing insight blockchain explorer - is bitcore mandatory?

What I have: bitcoind on Linux running. What I want: to have insight api+ui local website running. Earlier it was possible to add insight querying your bitcoind. Now it seems they made some bitcore ...
Somebody's user avatar
3 votes
1 answer
854 views

Trying to understand how bitcore-node stores the data in the DB

I'm looking into the data and source of bitcore-node ( http://bitcore.io/ ), I'm a bit confused how all the information is stored in the database, probably it's in a similar way to others block ...
CONEJO's user avatar
  • 131