19
votes
Accepted
Bitcoin Cash: how to check address balance / transactions?
Bitcoin Cash block explorers are (sorted by usefulness and features):
✯ BlockChair: blockchair.com/bitcoin-cash/blocks
✯ BTC.com: bch.btc.com
✯ ViaBTC: www.viabtc.com
✯ Bitcoin.com: explorer....
- 10.2k
9
votes
Accepted
Configure esplora to point to the bitcoind servers ip address
esplora is just the web ui frontend, you also need to setup the (forked) electrs backend for indexing and for providing the HTTP API that esplora queries.
electrs can index the bitcoin block chain ...
- 686
6
votes
How block explorer technology works?
blk.dat files contain blocks data in raw format. Also a leveldb index is maintained that helps to quickly lookup blocks/utxo. You can find the details here and here.
Blockexplorers will not directly ...
- 2,017
4
votes
Accepted
How do I get Bitcoin block header data with nonce?
There is no need to buy any data, and if someone is offering to sell you block headers, then you are being scammed.
The Bitcoin network protocol supports transmitting just block headers. So you can ...
- 71.6k
3
votes
Accepted
Why do some blocks not have Miner's name/identity?
Blockchain.info has an interesting pie-chart showing the origin of blocks. On that page, they specifically note:
A large portion of Unknown blocks does not mean an attack on the network, it simply ...
- 1,558
2
votes
Accepted
First bitcoin payment, sent X BTC, but transaction amount on blockchain.info shows as more than 2X?
The amount you sent (0.01047) plus transaction fee (0.00054597) totals 0.01101597. This is how much was spent from your wallet balance (0.09079308) leaving you with 0.07977711.
You wallet balance ...
- 1,035
2
votes
Is transactions in bitcoin blockchain always coin transaction?
All transactions are "sending bitcoins to somewhere".
Some of these transactions are "sending bitcoins to nowhere". Some others are "sending bitcoins to the same place". And some transactions are "...
- 6,795
2
votes
Block Explorers search on TxID
How do the block explorers do the search by addresses -- do they
search the entire blockchain at query time, which is very inefficient,
or do they maintain some sort of index which they update ...
- 7,428
2
votes
Accepted
Negative number of confirmations for a testnet transaction on blockexplorer
If you look closely on blockexplorer.com, you will notice that the site does mention that the transaction was included in block #1484064. The blockexplorer seems to be confused about the height of the ...
- 77k
2
votes
Accepted
Configure esplora to point to the bitcoind servers ip address - Part 2
"Address already in use"
It probably means you have another instance of the process running on the background
- 528
2
votes
Accepted
Is this the ledger?
Blockchain.com is a commercial enterprise selling cryptocurrency services. So this list cannot be the official ledger
Ledger vs Journal
The word "ledger" is a commonly used misnomer. If we ...
- 28k
1
vote
Is this the ledger?
The UTXO (unspent transaction output) set is what is being referred to as the “ledger”.
This is a table that lists all the unspent outputs along with their value. Each unspent output corresponds to an ...
- 3,579
1
vote
Do I need a Bitcoin full node in order to use BTC RPC Explorer?
Will this cause issues when running btc-rpc-explorer if I wanted to query old data?
Yes, as it requires txindex.
And if so what is the appropriate pruned node amount to access 1-2 years of ...
- 8,911
1
vote
Accepted
Configure esplora to point to the bitcoind servers ip address - Part 3
Have you checked the following:
do you use bitcoin rpc standard port for the network you are using? If not or not sure specify it explicitly with --daemon-rpc-addr 127.0.0.1:8332
Are you sure the ....
- 528
1
vote
Bitcoin Testnet API that allows transaction lookup and submission of raw transactions
mempool.space has a cool api, they allow push raw transaction, recover balance, etc. They support mainnet, testnet and signet.
- 1,076
1
vote
Why can't I see my transactions on Blockchain.com?
My assumption would be that this is due to the way coinbase handles deposits.
You can tell more of the story by grabbing the transaction details from their website.
Click on the transaction in the ...
- 111
1
vote
Bitcoin transaction 0/3 confirmation. How do i check on this?
If you want to view the details of the transaction, you can search for it (using the transaction id or sending or receiving address) on a block explorer website such as blockchain.info.
Once you have ...
- 11k
1
vote
How to monitor balance for addresses other than by using importAddress?
Is there any way, other than importaddress, to watch balances of specific addresses?
No, creating a watch-only address is the way to do this using a wallet such as Bitcoin-core.
how it is possible ...
- 28k
1
vote
In the case of a criminal investigation, how does one knows which exchange or wallet service a bitcoin address belongs to?
There is no guaranteed way to check.
In most investigations, it is a combination of tracing the money to known addresses (most exchanges and companies consolidate funds into a handful of hot and cold ...
- 17.2k
1
vote
Accepted
Building a small block explorer for fun, stuck with node
You want to use the RPC Protocol to get blockchain info. RPC is usually disabled by default, so you need to enable it. You can do this in the bitcoin.conf file in .bitcoin folder where you've ...
- 7,428
1
vote
Accepted
How to view a bitcoin cash transaction in hex or json?
DoubleSpend.Cash can be used!
https://doublespend.cash/txdata/9dbfbc12caa531afcfe00d90d786bd42cee2ef43.json
UPDATE: Doublespend.cash works a little different. Here's a better alternative:
https://...
- 10.2k
1
vote
Accepted
Differents explorers arent synchronized
The explorers are not synced with each other; they display different blocks. It seems like Dash's testnet has been reset multiple times so chain.so is using one version of the testnet which dash....
- 71.6k
1
vote
Accepted
Does blockchain.info show balances for addresses that are in cold storage?
Does blockchain.info show balances for addresses that are in cold storage?
Yes.
... is there any way for me in another country to confirm that what my colleague views is actually accurate and ...
- 3,289
1
vote
Search xPub address on a full node
After understanding what extended/extensible public addresses(xPub) are I found out that I need to generate addresses of an xpub then search the individual addresses tx
- 181
1
vote
Which block explorer indexes the keys used in mutisig scripts?
You must not see the address in the blockchain as a receiving address. It is a P2SH tx, which means, that the spending condition is sha256’d. This is the type 3address above. The 1-of-1 multisig ...
- 5,106
1
vote
Accepted
How to look about transtion is complated?
Let your explorer display the number of blocks confirmed.
As satoshi explains in section 11 of the whitepaper, a bitcoin transaction is never 100% final, but only the probability of it being not-...
- 616
1
vote
How did blockr.io see this?
I did not see a9607981ae4bbf42ed0cfacc05455f9396c85a9e8aeb61474f3f7516c35430ec broadcast-ed I only saw d8e5dac095d5f6133e6c3f11e1d9f923c04dac0824f9f8ce0000573df7cc8080
That might not be meaningful. ...
- 29.5k
1
vote
Why does blockchain.info show the warning "Transaction rejected by our node. Reason: The transaction is not final"?
BTCJerk on reddit noticed that "Blockchain.info is having issues, the last block they show is 442341". Other block explorers were already on block 442349…
Since the transaction was timelocked until ...
- 77k
Only top scored, non community-wiki answers of a minimum length are eligible