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Only top voted, non community-wiki answers of a minimum length are eligible. Questions Tags Users Badges Unanswered. Tag Info users hot new synonyms. Hot answers tagged blockexplorer day week month year all. Bitcoin Cash block explorers are sorted by usefulness and features: MCCCS 2, 3 11 How do I access information on blockexplorer. One such tool is Abe, and this is how you use it: Installation Ubuntu I'm assuming you have the standard bitcoin client running already.

Unpack it, and run python setup. Can an address have negative balance? Yes, this is probably a bug in the block explorer. Some of the transactions shown there are "strange" they presumably have non-standard scripts which someone was experimenting with , and this probably is tripping up the biteasy explorer.

Note that the notion of "balance" of an address only really I am actually working on doing this myself for a project, like the above poster said you can use the bitcoind API. To get the information on addresses you don't own the commands "getrecievedbyaddress" and so on wont work.

You will need to work your way through the blockchain which can take a long time and i would not recommend doing it manually. Andrew Font 2 7. How can I use the Litecoin testnet? Download Litecoin Core, install it, and start it with the -testnet option.

I'm aware of two Litecoin testnet explorers: You are trying to cross domains. Look into jsonp for that: Which block explorers recognize bech32 addresses? Blockchair announced support for Bech32 addresses last month. Please consult this wiki page for latest information on Blockexplorers supporting Bech32 addresses. Why would a Tx's inputs not be assumed to be owned by a single service? Because it's possible to only partially sign a transaction for example only one input and then give that unfinished transaction to another party, who can then finish the transaction with their signature for another input.

Parties do not need to reveal their private keys to each other at all. Only after all parties signed can the transaction be sent to Jannes 5, 13 Trying to understand how bitcore-node stores the data in the DB. Bitpay's bitcore-node project uses the same datadirectory as Bitcoin Core. What are the keys used in the blockchain levelDB ie what are the key: Their definitions of 'total received' differ in that blockchain. Is there a multi Sig Explorer or Stats provider?

Are you looking for 'bare multisig' transactions by BIP? Have a look here: How come some addresses show up in search results while others don't? The latter address does not show up in google because it has not been used for a transaction yet. Once someone sends money to it, it will show up. It's possible that we'll be able to create systems in the future that don't have this problem, but don't hold your breath.

Open-source blockchain explorer for regtest mode. How do APIs like Blockchain. They operate as a node in the Bitcoin network and so, like all other nodes, store the complete block chain.

This block chain consists of all transactions ever made and are used to calculate the balance of an address. Steven Roose 8, 7 29 Do all block explorers show all unconfirmed transactions? There is no guarantee that a transaction propagates through the network at all. Blockexplorers can only show transactions that they see. They're often configured in a way that will make them be more likely to see transactions, however. Walking through a transaction script - blockchain.

When validating an input, you first need to find the scriptPubKey of the output that this input spends from. The first input of your transaction spends from the first output of https: How block explorer technology works? You can find the details here and here. Blockexplorers will not directly read these files. It is not safe for multiple process to access leveldb at the same time blockexplorer and bitcoin node process.

Here is a brief summary of Help with bitcoin gold explorer: After more googling I found this one: Oliver 1 1 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 just use or create a software which can speak the Bitcoin network protocol and download just the block headers. The getheaders message is what you need in order How to verify the signature of a raw transaction.

See How to calculate a hash of a Tx? The hash that serves as the ID of the transaction is not the same hash that is used for signing. RentFree 1, 1 15 Yeah, that's how they work. Other block explorers work similarly.

In fact, Bitcoin Core itself works something like Are there any services offering blockchain. BlockCypher is adding support for Litecoin, we're currently downloading the LTC block chain and will put it out next week. Matthieu 4 7. Non standard Tx with obscure OP codes: There has been discussion about this particular transaction before on reddit. Why was it relayed? It may not have been. There's a very easy way to get a transaction like this included and it's by submitting the transaction directly to a mining Jimmy Song 6, 8 You can find stats on P2SH here: They allow transactions to be sent to a script hash address starting with 3 instead of a public key hash addresses starting with 1.

To spend bitcoins sent via P2SH, the recipient must Logan 1 8. Bitcoin transaction as been unconfirmed for 9 days. When transactions are published to the network, they first are mere payment promises. You have received notice of a transaction on the network to one of your addresses. However, for the money to actually become signed over to you, transactions need to be confirmed by being included in a block of the Bitcoin blockchain.

Most nodes on the network track First bitcoin payment, sent X BTC, but transaction amount on blockchain. The amount you sent 0. This is how much was spent from your wallet balance 0.

You wallet balance consists of multiple bitcoin addresses. What you are seeing on Block Explorer is that one of the addresses in your wallet containing 0. Adam Millerchip 7 If the bitcoin address changes every time, why there is more than one transaction for an address in the ledger?