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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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1answer
13 views

Signrawtransaction is not working on bitcoin core V0.17.1

I am having trouble signing a transaction on bitcoin core since it appears signrawtransaction no longer works. I get the following error message : signrawtransaction is deprecated and will be fully ...
3
votes
3answers
791 views

By byte size and number of inputs/outputs, what are the largest transactions in the block chain so far?

Disregarding value, but instead going by size in the protocol, what are the largest transactions so far in the history of Bitcoin, in terms of: byte size number of inputs ("vin") number of outputs ("...
1
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1answer
51 views

Errors when building/sending multisig transactions

Going by the example here: https://bitcoinj.github.io/working-with-contracts I believe I've done everything correctly. Yet my program fails either to propagate correctly or because of a tx error and ...
0
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1answer
44 views

What is the source of initial transactions of bitcoin?

Sorry, if I am wrong or silly! It is understood that: a) Satoshi Nakamoto sent the first transaction to developer Hal Finney on January 12, 2009, the genesis block contains 1,073 transactions and he ...
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1answer
15 views

in transaction, what is 'hash' data?

i'm studying Bitcoin: A Peer-to-Peer Electronic Cash System Satoshi Nakamoto and this paper introduce a transaction model. (above picture) but i don't understand what is 'Hash' means exactly i ...
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0answers
56 views

Watch-only addresses inside segwit transactions

I'm using bitcoin core (via rpc api). I've generated one 2of2 multisig address on electrum wallet, and after that, I've imported that address into bitcoin core by using importaddress rpc method. When ...
2
votes
2answers
73 views

API for multiple blockchains

Is there an API to get data for multiple blockchains? Most blockchain explorers already offer an API but I'd like to be able to get information for different blockchains through the same API.
-1
votes
1answer
29 views

Limitation for minimum output size? AND a fixed per-transaction fee for payments in Bitcoin?

In the following article by http://lightning.network/ entitled: "The Bitcoin Lightning Network Summary", (Link to the article) is mentioned: "Lightning enables one to send funds down to 0.00000001 ...
1
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1answer
23 views

How to determine right address from address hash

I'm using private libbitcoin server and libbitcoin explorer. When I use bx fetxh-transaction, it returns something like: I'm trying to figure out, how to get right address from address_hash. When I ...
0
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1answer
47 views

How to regain access to my coins? (unknown digital location) [on hold]

I transferred some bitcoin from my wallet in HitBTC to my wallet at Bittrex. Block Explorer shows the transfer completed. and so does Hit BTC. Bittrex claims they never got the crypto and there's ...
1
vote
1answer
169 views

lost my entire transfer

ok, I had put all my investments into USD wallet on Binance, then I went to coinbase.com under account tools hit the drop box for addresses took the USD address there and copied it. I returned to ...
0
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1answer
47 views

How do you sign data with a private key? [javascript]

Using BlockCypher’s signing tool (link), I can sign the following data: 05de69f5d37f41340eed3230f03d2394dde5e497738a76f027b7d962a0cbdf39 with the private key: ...
5
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1answer
86 views

How does copying main stack prevent malformed unlocking scripts vulnerabilities?

https://github.com/bitcoinbook/bitcoinbook/blob/develop/ch06.asciidoc In the original bitcoin client, the unlocking and locking scripts were concatenated and executed in sequence. For security ...
1
vote
1answer
35 views

Extract sender ID and recipient ID of a bitcoin transaction

I'm new to this world and I'm trying to learn the blockchain world and especially now I've concentrated du bitcoin-core, I would like to parser and get the various information like the various sites ...
-2
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0answers
22 views

How add payment crypto as bitcoin, allcoin to website? [closed]

I want add payment cyspto bitcoin, and allcoin to website by PHP? Do you help me
4
votes
1answer
36 views

Is the bit encoding format for the graphic in BIP 68 implicitly little-endian?

CLTV (OP_CHECKLOCKTIMEVERIFY - absolute locktime) and CSV (OP_CHECKSEQUENCEVERIFY - relative locktime) utilize BIP 68. Is the locktime for those two operations implicitly encoded in little-endian ...
0
votes
1answer
650 views

Transfer XBT between Kraken accounts

I have to receive an amount of XBT from a relative. Both of us have a Kraken account. Can I achieve this inside Kraken or do I need any external wallet or similar? If I can do it in Kraken, how should ...
3
votes
1answer
50 views

Serialized transaction bigger than the actual transaction object? CVE-2013-4627

I'm surveying old Bitcoin DoS vectors and came across CVE-2013-4267, for which there appears to be little public information available. This thread should shed some light on this CVE. There's a ...
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0answers
19 views

How do you sign transactions from a HD wallet? [duplicate]

I'm using the following tool to generate a HD wallet: https://iancoleman.io/bip39/ However, it gives quite a few different private keys and I'm not sure which one is used to sign transactions with. ...
0
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1answer
69 views

find out total balance on MainAccount

I don't understand receiving address usage at https://blockchain.info/api/api_receive As I understand it it should work like this: MainAccount |--generatedReceivingAddress1 (then someone send btc and ...
0
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1answer
591 views

How to get a complete list of transactions?

listtransactions - 9 provides the latest transactions and actually all =) How to get all transactions?
-2
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0answers
99 views

After the Zcash sapling upgrade, how big are the z-transactions from before and now?

How big are the z-transactions prior and after the sapling upgrade of zcash? And how does this size compare to a bitcoin and monero transaction?
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2answers
199 views

Removed transaction

I have this transaction I made some days ago (8) and it wasn't processed by the miners and it was unconfirmed (for very low fee). Today I made a quick check and it looks like REMOVED / EXPIRED. What ...
0
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1answer
46 views

How can someone get my private data (such as email, name, IP …) from bitcoin transaction?

I am curious about privacy of bitcoin transactions. I heard that if you are good enough at hacking, you can get private data from bitcoin transaction, or associate someone to transaction. How is it ...
5
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5answers
5k views

Transaction without fee

If i want to make a transaction and sent it without fee how long it will be getting conf ? And my friend told me it will take more than 1 day. Can anyone here explain to me why it can be happen ?
1
vote
1answer
315 views

Sent bitcoins to a suspicious address!

I just may have been scammed via a phishing link. The transaction is verified but not confirmed, I'm new to bitcoins, as you can probably tell. From the quick bit of research I've done there is ...
0
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1answer
567 views

Bitcoin transaction graph

I am trying to make bitcoin transaction graph, but I am not sure how to go about it. I have extracted the necessary data from blockchain like the sender, receiver, amount of bitcoins sent, transaction ...
0
votes
1answer
36 views

how to achieve transaction info of all the blocks

I use https://chain.api.btc.com/v3/block/date/20151215 to achieve list of blocks and also use https://chain.api.btc.com/v3/tx/0eab89a271380b09987bcee5258fca91f28df4dadcedf892658b9bc261050d96?verbose=3 ...
50
votes
6answers
51k views

What is the Merkle root?

The Bitcoin wiki Vocabulary article explains why the Merkle root exists: Every transaction has a hash associated with it. In a block, all of the transaction hashes in the block are themselves ...
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votes
2answers
46 views

inquiry about Transaction

I sent 0.027 BTC over a day ago with the transaction number 254d1352749e9a18effecbd6d340479d75ca4500e2da8eda1a77f51634ee3f6f The person i sent to still says, they have not received anything yet the ...
1
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2answers
202 views

Can not decode transaction. Script was manually verified successfull

I can not decode transaction in Bitcoin-QT. The error is: TX decode failed (code -22). But blockexplorer site decode it. Then I try to send transaction from blockcypher.com site, and the error is: ...
0
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1answer
102 views

Decode Input-Script Number

You can divide on some pages the input script number in R and S. Now I wanted to ask if someone can tell me a Python code how to divide the input script number into R and S or can define, so I have ...
1
vote
2answers
121 views

Buy coins using a australian bank account from Germany

I am German living in Germany but do own an Australian bank account. I would like to use that money to buy bitcoins but somehow am not able to at the big exchange markets. Whenever I identify myself ...
0
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1answer
42 views

Unknown btc transaction

Could someone please explain what is this second transaction from the wallet 34UuFs8BtnbeJtdM9p4NBCHiP8MaD4f86n ? https://www.blockchain.com/btc/address/34UuFs8BtnbeJtdM9p4NBCHiP8MaD4f86n?filter=6 I ...
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2answers
189 views

How to confirm transaction any altcoin PHP

I'm working on a webapp right now (for me personally) and I now come to the part where I want to validate if someone send me a certain amount of altcoin, lets say Verge, and if I received said amount ...
2
votes
1answer
467 views

How to sign a transaction using BitcoinJ

I am having problem signing the transaction using BitcoinJ library without the Wallet instance, I only have the Transaction class instance and the ECKey in order to sign the transaction. Is there a ...
2
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2answers
113 views

Cancelling transactions

I know it is currently not possible to cancel transactions in the Bitcoin. However, say someone wants to implement such mechanism in an altcoin. Is it theoretically possible without damaging the open ...
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2answers
40 views

Link an account to another one

Is it possible to have an account which is linked to another. For example i have an account with 0 address and i have another one with 1 address, I want to if someone send bitcoin to 1, the bitcoin go ...
2
votes
2answers
226 views

How do exchanges set their transaction fees?

I was reading on the Bitcoin wiki (https://en.bitcoin.it/wiki/Transaction_fees ) that a user can set his own fees when conducting a bitcoin transaction. Like many, I have a Coinbase account, but I ...
2
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3answers
261 views

How to suggest to our church that they should accept Bitcoin payments?

A little bit of context: I send 10% of my profit (the tithe) to a church. Along with the tithe I send money for different projects. I guess they can be considered donations. This church is a non-...
0
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1answer
30 views

Buy Order to Exchange

I am looking for a tool with which to place a purchase order which is higher than the current price. As an an example. Wallet Exchange: $ 100 Course NEO: 50 dollars Order: Buy at $ 54 Does anyone ...
1
vote
1answer
353 views

my bitcoin transaction does not exist in blockchain.info nor does it exist in any tx accelerator

I sent bitcoin to myself using the breadwallet. Before that, i went to my breadwallet which i made a purchase from a few days ago and when i login it says something about payment being rejected so i'...
0
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1answer
175 views

Using CoreBitcoin in Swift to create raw transaction

I am new to coding, and only know swift, obj-C is still foreign to me. I have a functioning wallet but for now am relying on BlockCypher API to build a transaction which I do NOT want to do. Can ...
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2answers
544 views

Simple Address check via API

So I have a wallet with thousands of addresses, I want to know how can I check the blockchain whether or not a transaction has been made to one(or another) of the addresses?
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1answer
31 views

What is the relationship of ckeypool and ckeystore?

In the source, there are ckeypool and skeystore. I wonder what is the relationship of them and why need both.
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1answer
60 views

Filter transactions by time on a given address

Is there an API that will list all transactions made on a given wallet address with the ability to filter by date? I prefer nodejs, but open to other suggestions.
2
votes
1answer
152 views

Format transactions into “from”, “to”, “value” and “cost”

I'm trying to write a script that parses the entire blockchain into a database. But I'm having issues figuring out how to store what I need to then aggregate the results and build a transaction list ...
0
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1answer
33 views

Arbitrary access to already confirmed transactions

This link mentions that "[getdata] can be used to retrieve transactions, but only if they are in the memory pool or relay set - arbitrary access to transactions in the chain is not allowed..." But ...
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1answer
104 views

Can replay transactions effect both chains? or just the minority hard fork chain?

Can a seg2x transaction be replayed on the main bitcoin CORE chain? I was reading that only the minority hard fork would need replay protection and that coins on the main majority chain would be ...
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2answers
80 views

Are there any services that can reasonably guess what IP address a transaction originated from?

Are there any services/agencies running a large number of nodes so that they can guess the IP address of a transaction's origin? I guess they would need to run tens of thousands of nodes. However it'...