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Questions tagged [transactions]

This tag should be used for questions related to transactions. Transactions are signed messages regarding the transfer or generation of bitcoins. They are broadcast throughout the Bitcoin network and, if accepted, integrated in the blockchain.

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8 views

Public Addresses: '3' vs '1' in front [Bitcoin]

I just wanted to confirm, is it true that for a bitcoin (public) address it should always have a '1' in front of it. For certain transactions though I see that there is a '3' in front. How is this ...
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1answer
16 views

How and why we need to validate a transaction?

I've starting doing some researches about the Bitcoin protocol and the blockchain. I'm trying to understand all the sections in the Bitcoin white-paper. So far, i couldn't understand what is the ...
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1answer
4k views

manually signing bitcoin transaction

I'm trying to create a BTC transaction with one input and two outputs, one for change and one OP_RETURN to anchor data. And I'm doing all of that on my regtest backend. The raw unsigned transaction is ...
4
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1answer
883 views

Building Signed Bitcoin Transaction in Java

I have been attempting to build my own raw transaction generator in Java which I can then broadcast on the testnet network. The problem is when I attempt to broadcast the transaction it says there is ...
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1answer
86 views

Sync bitcoin transaction status to local database

I am sending bitcoin transaction in node js via bitcore-lib and bitcore-explorers. I realized that when i call the function .broadcast to send the transaction to network and returns value, it means ...
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3answers
49 views

Find specific transaction in merkel's tree

We know the merkel tree is branchs of transaction hash so that root of tree is hash that show in block header. If i want to find a specific transaction, how i can?
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1answer
12 views

18: bad-txns-inputs-spent

I want sendRawtransactoin to the testnet ,bug i got "18: bad-txns-inputs-spent" My input is unspent on the Testnet ,Help ! { "Version": "1", "LockTime": "0", "Vin": [ { ...
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1answer
1k views

How to send Bitcoin in the Testnet?

I'm using this library: https://github.com/lian/bitcoin-ruby And here's my code: require 'open-uri' require 'net/http' require 'net/https' require 'json' require 'bitcoin' Bitcoin.network = :...
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2answers
257 views

GDAX 64+bitcoin transactions

I've been watching GDAX for several months and I see repeating offers to sell 64 + bitcoins (not 65 or 63). This seems very strange as it's an unusually large quantity and is repeated several times a ...
3
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1answer
180 views

Manually checking for credited bitcoins

If I have the bitcoin address, the private key and a transaction ID from Bitcoin (regtest mode) in shell variables, what Python code do I need to run to claim the Bitcoins are indeed intended for this ...
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1answer
75 views

How to specify the right input and output to be signed for SIGHASH_SINGLE

For my understand, when building a new TX, need to produce a new scriptSig for the TX; and need add a sigHash code at the end of the TX. If the sighash type is SIGHASH_SINGLE, for a TX with multiple ...
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1answer
189 views

Litecoin - mandatory-script-verify-flag-failed (Signature must be zero for failed CHECK(MULTI)SIG operation)

I have manually a raw transaction using bit library in order to send a transaction using Litecoin testnet. After adjusting fee's and other network variables I got the following error that is stated in ...
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1answer
14 views

How does Internal Keychain exactly work?

I understand that an internal keychain is used to receive a change of payment when I pay someone. For example, I pay $20, but it costs $17, so I get $3. But what I don't understand is how can there ...
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2answers
757 views

C# BC, successfully creating and signing raw transaction

First time on stackexchange to ask for help, sorry if i make mistakes (english is not my native language). I try to create a valid raw transaction on C# with bouncycastle and i seems stuck, not able ...
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2answers
52 views

Why is the value field 8 bytes in transaction output when it can be achieved with 7 bytes?

Bitcoin uses a 8 bytes value field in the transaction output. However, the total supply of bitcoin is capped at 21M. Theoretically, even if all the 21M bitcoins are transferred to a single address, ...
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2answers
52 views

Checking if a receiver has enough coins

How do miners verify the blockchain transaction history to check if the sender has enough money if the address can be changed at any time?
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1answer
36 views

Script Null into raw trasaction bitcoin core

I'm developing a parser for bitcoin core and into the alpha test of the parser,I noticed than the script bitcoin core are null and the hash raw transaction exist. An example: for this transaction the ...
17
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4answers
21k views

How are transactions broadcast to the rest of the network?

If a person sends a transaction to another person, and Bitcoin is a peer-to-peer application, how will the transaction get to the rest of the Bitcoin community? How does everyone have the same ...
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2answers
39 views

Information to recipient of the transaction

I have some questions of the transactions bitcoin, In a transaction bitcoin, there is not information on the recipient, right? How do services such as blockchain.com track information about a ...
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1answer
441 views

Blockchain.info and fetching transactions for a address between dates

I'm trying to fetch transactions for a certain bitcoin address, but I only need to fetch transactions within a specific date range. Now, I had a look at the blockchain.info api and it seems like the ...
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1answer
43 views

Which values are GetValueIn() and GetValueOut() calculate?

In Transaction.cpp, there is a function CAmount CTransaction::GetValueOut() const. In Coins.cpp, there is a function CAmount CCoinsViewCache::GetValueIn(const CTransaction& tx) const. My ...
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1answer
64 views

Does a HD Wallet log my IP when i do a transaction?

Companies like BitPay and Electrum, can log my IP when I make a transaction, right? If so, should I use a Web Wallet (plus VPN) for transactions?
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2answers
177 views

Sending BTC using Seed Hex or mnemonic

I’m interested in sending BTC from wallet to another and probably automate it through some libraries. I have a question: if I have a seed hex or 12 words I can generate all my wallets (addresses, ...
3
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1answer
1k views

Please help. BTC has left Armory wallet and shows as gray, but says “Not in the blockchain yet”

I sent 1.5BTC in the usual way from my Armory wallet, but the transaction shows in gray as if it is still pending. When I click more details it says "Not in the blockchain yet". If I search for the ...
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1answer
58 views

Where can I get a visual example of the entire bitcoin network starting from physical network to the overlay network

*Note I am not a technical person so excuse any misunderstandings on my part here. I am looking to get a sense of how the entire system looks like as a whole starting from the physical hardware (such ...
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1answer
121 views

How do I double SHA-256 the header of block #59,500?

I'm not sure how to combine all of this information. https://blockchain.info/block/00000000096af43105123c499521e1d131d172e7e1bf2ed0843290a921f1f6a7 Version 1 Time Bits 470771548 (is this the right ...
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2answers
593 views

P2sh redeem script hash

What are the contents of a redeem script hash in a p2sh transaction? From what i read it's similar to the pubkey script but does it only contain the receiver's address?
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2answers
46 views

Is the transaction pool global or local?

I can't find anything in the web about that topic. Do all the miners have one global pool filled with transactions, i. e. Miner 1 takes Transaction 1 into his candidate block, so Transaction 1 won't ...
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1answer
27 views

Batching transactions to safe on fees

I have some bitcoin spread across multiple addresses. I would like to move these to different addresses. I've heard about batching and was wondering if it is possible to batch the transaction to ...
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1answer
27 views

How can I get whole info about tranasaction whose outputs are spent?

I use RPC method getrawtransaction to get whole info about transaction. But if I rigth understood It works only for transaction whose contains at least one unspent output. How can I get whole info ...
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1answer
59 views

How can I pass Multiple addresses in Move command

I have to pass multiple addresses in move command but I am not able to pass as it is not accepting more than one wallet address Is there is any another way to move the balance to multiple addresses.
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1answer
27 views

Retrieve last x transactions from multiple wallet

I create an app which allow each user to own 20 wallets that support 20 coins (btc, eth, monero, neo etc), as well as support but BTC with USD. IF i want to retrieve last 10 transactions of user (of ...
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1answer
66 views

Phased transactions are very slow

I am trying to send a message to another account with two confirmations using the Phasing options in a message to add two different accounts. The problem is the message takes from 1 minute to 2 ...
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1answer
92 views

Interpreting exchange rates

I don't know whether the graph is wrong, or I'm interpreting it wrong, but it appears to say that if I had converted a dollar ten years ago (I didn't), I would have received 20.0 XBT, and if I didn't ...
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2answers
51 views

Script Bitcoin represent number > 16

I'm studying Script language, but I don't understand How can I rappresent the number > 16, for instance 210 I want to do a simple sum OP_10 210 OP_ADD how I have to represent 210? I'm trying with ...
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1answer
56 views

UAHF implementing sighash, specifically, how are scriptCodes serialized?

I have managed to get correct sighashes for situations in which there are no OP_CODESEPARATOR ops in the code. However, I cannot figure out, based on the UAHF documentation nor on the C++ code in the ...
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1answer
43 views

Bitcoin Tranaction can one trace in coming transaction to receiving wallet

I know you can trace a bitcoin trans,from where it left from and where it is on the block chain ... my question, "i was reading".... is it possible to trace a INCOMING transactions to ones receiving ...
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1answer
261 views

Sent Bitcoin to wrong email address on Coinbase.com

I sent some BTC on coinbase to another one of my own email addresses. But I later realized I don't have a coinbase account with this email. The status of the transaction says complete. Are they gone? ...
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1answer
104 views

Electrum: Transaction Error with Restored Wallet

I am trying to import my bitcoin privatekey to my electrum wallet and use that wallet to create transactions. I restored the wallet using the command electrum restore <private key> The restore ...
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1answer
2k views

Ripple: transaction stuck or something, with changelly, using toast wallet

I have toast wallet, as wallet to store ripple. I have changed some litecoins (LTC) for ripple (XRP), but my XRPs aren't yet arrived on my wallet (toast wallet, which is a desktop wallet) and one day ...
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1answer
98 views

Are there any blockchain parsers which calculate virtual sizes of transactions?

"The getrawtransaction RPC gets a hex-encoded serialized transaction or a JSON object describing the transaction." https://chainquery.com/bitcoin-api/getrawtransaction The output includes the vsize (...
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1answer
302 views

Jaxx Wallet ---> Cryptopea Wallet - unsuccessfull (doublespend)

I attempted to transfer funds from my bitcoin jaxx wallet to my cryptopia exchange bitcoin wallet. However transaction looks like it failed with doublespend error report. Anything I can do? This is ...
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1answer
79 views

Help with transaction

Can someone explain how this transaction was validated, broadcasted and mined? When i looked at the scriptsig it only had the hex value for OP_True. https://blockchain.info/tx/...
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1answer
62 views

how to retrieve BTC from BCH address

I was on KuCoin and accidentally sent BTC to the BCH address (thinking I was buying BCH). Of course nothing shows in the BCH wallet on KuCoin. I can see it on the blackchain but cannot access it.
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2answers
270 views

How to create a simple lightweight wallet (without mining) for an Altcoin

I am trying to create a wallet using electrum for an altcoin that uses the Scrypt algorithm. I am looking around for tutorials that can show a step by step process on how to create a simple wallet for ...
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1answer
231 views

Why are Transactions sending out randomly?

I see in the sourcecode this two lines: // Do this infrequently and randomly to avoid giving away // that these are our transactions. in the method ResendWalletTransactions. Why is this necessary? ...
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1answer
276 views

Scam or not terabox?

Terabox.me has HTTPS. From Coinbase anyone can send money to Terabox.me and topup the balance. After making the topup the money is stolen. When you try to contact them they do not answer. Nobody shut ...
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0answers
20 views

Bitcoin was sent out and still hasn't been received

I sent bitcoin out to a segwit address (P2SH) and it split the transactions in 2 but I still haven't seen them delivered in into the wallet
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0answers
14 views

Script and DER in P2PKH

Im trying to figure out the script and DER In P2PKH, the "first part (scriptsig)" push in stack (<sig><pubK>) because is it DER? Instead the "second part (scriptPubKey)" you can map the ...
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1answer
99 views

Why are only specific transaction types accepted into the mempool?

In the Bitcoin Mainnet, only specific transaction types are accepted: Bitcoin uses a scripting language to specify (and satisfy) the encumbrances, thereby allowing a whole host of transaction types....