Questions tagged [blockchain-explorer]

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

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3answers
53 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, ...
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1answer
17 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 ...
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2answers
65 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 ...
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0answers
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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 ...
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0answers
56 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 ...
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2answers
172 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 ...
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1answer
173 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 ...
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1answer
74 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 ...
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0answers
72 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....
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0answers
40 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, ...
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2answers
233 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 ...
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1answer
889 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 ...
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2answers
6k 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 ...
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4answers
294 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
55 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 ...
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2answers
358 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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1answer
249 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
895 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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2answers
96 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
46 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
95 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
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 ...
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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
1k 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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2answers
12k 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 ...
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1answer
919 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?
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1answer
438 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)?
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2answers
277 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?
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1answer
249 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 ...
6
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2answers
2k 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....
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3answers
427 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?
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1answer
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 ...
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1answer
804 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 ...
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1answer
142 views

Can anyone give me some help editing the Abe html?

I've got Abe running, but would really like to get the page looking nicer. I've managed to change the logo, but would like to change the title and change some colours and fonts, maybe add some more ...
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1answer
481 views

Are there any services offering blockchain.info-like API for multiple currencies?

I am wondering whether there are any services that offer some API like blockchain.info does but for multiple currencies at the same time. I know there are a lot of block explorers out there, but they ...