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Questions tagged [spending]

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Why do some P2SH spending transactions have data both in the ScriptSig and Witness field?

I wonder if the wallet screwed up or if I am missing something in my bitcoin understanding. Here is the tx output being spent: "value": 0.00180675, "n": 154, ...
J S's user avatar
  • 35
0 votes
0 answers
37 views

signing input for spend funds locked by this script

Please explain how to sign input for raw transaction with privet key corresponding to 1st or 2nd public key in this script "asm": "OP_IF 1694275749 OP_CHECKLOCKTIMEVERIFY OP_DROP ...
alnostru's user avatar
2 votes
1 answer
190 views

How can I spend a mix of UTXOs (p2sh, p2wpkh, p2wsh) along with a p2tr UTXO?

I'm constructing a script to spend multiple distinct UTXOs in a single transaction. I've successfully combined all UTXOs except for two. Succeeding in spending a P2TR with P2PKH UTXO. I encountered a ...
Mohsen Haydari's user avatar
0 votes
1 answer
50 views

Is there any workaround exist to restrict spending output address from Bitcoin Script?

Hey folks, I know this question is pretty much similar to the one, that was asked 5 years ago. I'd like to share my research and ask, if there are any movements in this fields since then? Or maybe ...
as_ter's user avatar
  • 1
3 votes
1 answer
322 views

taproot script spending issue

I have been working in a bitcoin library for educational purposes (being taught in courses/meetups/etc.). I had quite some time to work on it and decided it was about time to support taproot. I have ...
karask's user avatar
  • 2,540
3 votes
1 answer
417 views

How can I tell if a Taproot input is a key path spend or a script path spend?

In some analyses of chain activity, I sometimes see Taproot spends divided into key path and script path. Why are they called that? Which BIPs should I read to learn more? When I look at a P2TR tx in ...
Hunter Beast's user avatar
1 vote
3 answers
122 views

After importing a key, does spending the coins remove them from the paper wallet?

Once private keys have been imported to Bitcoin Core, does spending the coins remove them from the previous address? For example, if I import my private key from a paper wallet and spend those coins ...
Edward Halverson's user avatar
1 vote
1 answer
38 views

Track the expenditure of an output with Bitcoin-qt via the REST API

How do you find the transaction whose input, vin, is a given output, vout? For example, the following is the JSON representation of the block with height 1000; here the mining reward is locked behind ...
Dr. Strangelove's user avatar
1 vote
1 answer
59 views

How do I retrieve my bitcoin balance?

I have a bitcoin balance. What's the process I need to follow to spend my balance in my bitcoin address?
Frank Villa's user avatar
0 votes
1 answer
76 views

Why should I care about my transactions ever reaching the blockchain if I can spend them while unconfirmed?

From what I understand, I can use unconfirmed transactions because they are essentially already confirmed, they just need to reach the blockchain. This can create a chain of unconfirmed transactions, ...
Sheepolution's user avatar
1 vote
2 answers
648 views

Were anyone-can-spend transactions valid before SegWit?

Non-segwit nodes (legacy nodes) see segwit transactions as anyone-can-spend (ACS) transactions. It is clear that such a nodes can (and do) validate blocks containing ACS transactions, because the ...
user922921's user avatar
0 votes
1 answer
125 views

How were the first coins spendable?

Apologies for my limited understanding, still learning. According to https://en.bitcoin.it/wiki/Genesis_block: The first 50 BTC block reward went to address 1A1zP1eP5QGefi2DMPTfTL5SLmv7DivfNa,[1]...
unsafe_where_true's user avatar
1 vote
3 answers
405 views

How are UTXO forwarded to other addresses?

this is a pretty general, conceptual question. I feel I do not yet completely understand the blockchain transaction dynamics. Let's say, we have A, B and C trading on the Blockchain: A has ...
user101893's user avatar
1 vote
1 answer
1k views

Bech32 Multisig error: Witness requires empty scriptSig (code 64)

I've been able to do multisig between two addresses from electrum and one from bitcoind. [root@test bin]# bitcoin-cli -testnet getnewaddress n3JewuY82cprdRvxHdRNG8C3iTkJBKeLbz [root@test bin]# ...
Kiki Camarena's user avatar
1 vote
1 answer
205 views

Knowing if a public address is spendable by an HD seed?

I want to know if an address is spendable by an HD seed and for that purpose I am using the following command: > bitcoin-cli getaddressinfo 3LFc64RRd96ejjYvm14KaogBF9fmeNmePW | jq '.solvable' ...
Pedro's user avatar
  • 743
0 votes
1 answer
8k views

How can I import my XRP private key online to spend funds?

How can I use my XRP paper wallet private key (or "private address") to send XRP to another address? I know that once a private key touches the internet, the wallet can't be used again (for security ...
User X's user avatar
  • 195
1 vote
2 answers
1k views

Spending BTC from an Electrum watch-only paper wallet?

I've an old BIP-38 paper wallet, and I imported that address into an Electrum (version 3.3.6) watch-only wallet. I now want to transfer that BTC to an Exchange. I have the relevant password for the ...
rifel's user avatar
  • 31
-1 votes
1 answer
76 views

How can I find real man for bitcoin mining investment? [closed]

can anyone help me for find a real people? Where I can invest for mining, because i lost lot of money before. Someone scamming with me. Thanks
Shishir's user avatar
0 votes
3 answers
89 views

How to test if a transaction can spend an existing output?

Suppose I'm writing a transaction by hand, that spends an existing uspent output sent by myself from another address. Is there a way to test if the transaction can really spend that output, before ...
robermann's user avatar
  • 175
4 votes
1 answer
7k views

Unspent/Spent Flag in Blockchain

I just started getting interested in the blockchain a week ago, however there is something I can not just figure out. Regarding the flag "Spent/Unspent" in transactions. I get that we flag "spent" ...
Younes S's user avatar
1 vote
1 answer
2k views

64: non-mandatory-script-verify-flag while broadcasting P2WPKH Bech32 with specific inputs

Note: This happens with specific input, even though I've used the same code for other inputs and it works. I have created a raw transaction using the following unspent: Array ( [0] => Array ...
Tailer's user avatar
  • 3,669
0 votes
1 answer
1k views

Bitcoin cash signraw "Input not found or already spent"

I've created raw transaction with non-spent inputs and already exist in Bitcoin cash abc 0.16.2, But when I try to sign that raw transaction I get Input not found or already spent RawTransaction ...
Tailer's user avatar
  • 3,669
0 votes
3 answers
314 views

How can you share a plaintext bitcoin address private key with a friend and ensure they won’t spend your bitcoin?

How can you share a plaintext bitcoin address private key with a friend and ensure they won’t spend your bitcoin?
demiculus's user avatar
  • 101
0 votes
1 answer
159 views

Bitcoin Address Workflow on Spend Leftovers

I need to understand the correct Bitcoin address workflow for transactions. I created an address a while back with a common wallet and sent some coin there. The address is at segwit m/49'/0'/0'/0/0. I ...
Christian Findlay's user avatar
0 votes
0 answers
157 views

How long must I wait for a 15 sat/B transaction to be confirmed or dropped by the network? What else can be done? [duplicate]

I know my question will likely be marked as a duplicate, but I do not see how to apply that answer in the case of a Ledger Nano S wallet. Doesn't using the Bitcoin wallet software require downloading ...
Internet User's user avatar
0 votes
1 answer
143 views

sweepprivkey alternative - bitcoin core

I guess they took off this function, so any alternative? what i'm looking to do is exactly like this sweepprivkey privkey minconfirms [destinationtype destination] [fee] [amount changeaddress]
Tailer's user avatar
  • 3,669
4 votes
1 answer
3k views

Increase transaction fee with Bitcoin Core client fails because of no change output. Why?

Context I created a transaction (using the full balance of an output) with the Bitcoin Core Wallet (running as full node). The transaction got into the mempool of major nodes, as expected. I set the ...
hitchhiker's user avatar
0 votes
2 answers
293 views

Which wallets support spending partial amounts of btc from a cold storage address?

Which wallets let you spend partial amounts from your btc address from a cold storage address without the need to import / sweeping it? I know mycellium has the feature, but I'd like to know if there ...
Patoshi パトシ's user avatar
1 vote
1 answer
829 views

Method of spending LTC Litecoin from a paper cold wallet?

I know mycellium has a feature for BTC where you can spend partial amounts from a Bitcoin cold paper wallet. Is there something like this for a LTC Litecoin cold paper wallet? I just want to spend a ...
Patoshi パトシ's user avatar
1 vote
1 answer
1k views

Spending transaction with custom output

I've recently entered the bitcoin arena, and bitcoinj was my tool choice. Experimenting on regression test mode, I was able to create the following custom transaction. It has a modified locking script ...
Ibrahim Al-Saud's user avatar
4 votes
3 answers
2k views

How is it possible to say that a bitcoin was fully spent?

Is a simple question, but I want to understand this at the low level. Since the UTXO is a database with the yet-to-be-spent coins, how can I say that a given coin was already full spent? What would ...
Henrique Barcelos's user avatar
4 votes
1 answer
131 views

Will people not spending their Bitcoin cause Bitcoin to fail? [duplicate]

Everyone I know that owns Bitcoin (including myself) seems to plan to sit on it until it becomes widely accepted/used and the price sky rockets to a ridiculously high value (100000 dollars each). It's ...
Joe's user avatar
  • 41
2 votes
1 answer
3k views

Spending unconfirmed output from a change address

Consider a custom program which will occasionally need to send out bitcoin to users to whom I owe money. Let's say I have 100 unspent BTC at address ADDR_A. UserX demands payment of 1 BTC to ADDR_X. ...
Festus Martingale's user avatar
1 vote
1 answer
73 views

Would a service for automated repurchasing of Bitcoins encourage spending?

We launched Reload, an online service that binds your bitcoin wallet to your bitcoin exchange account (16 supported so far): whenever you spend bitcoins from your wallet, Reload will use your exchange ...
Bitnik's user avatar
  • 19
9 votes
1 answer
2k views

What are the trade-offs between the different algorithms for deciding which UTXOs to spend?

When someone would like to make a transaction, their software has to choose which of their UTXOs to spend. Here are a few different ways that one might prioritize which UTXOs get spent. Oldest UTXOs ...
morsecoder's user avatar
  • 14.2k
4 votes
2 answers
2k views

How is the previous transaction hash calculated?

Can anyone provide a clear example on how to calculate a previous transaction hash? Say I want to create a new transaction, I get that the hash is calculated by doubling sha256 a message m, but I'm ...
Mohamed Amine's user avatar
3 votes
1 answer
2k views

How to sweep a bulk wallet?

If I have a bulk wallet with, say 100000 key pairs (address/private key) and I have received payments on any, say 1000 of them, how can I sweep all the coins to a new address? It would be even better ...
Hristo Hristov's user avatar
2 votes
1 answer
874 views

Specifics on "Race Double Spending Attacks"?

Hi guys I am doing some research on double spending in the bitcoin network several ideas have been confusing me: In prevention of Race attacks, merchants are advised to "connect to a large random ...
user14900's user avatar
-1 votes
1 answer
935 views

What's up with all the QR codes? [duplicate]

Just bought $5 of Bitcoins from CoinBase. How do I spend them? I gather it has something to do with QR codes. . . .
user14398's user avatar
3 votes
3 answers
843 views

Are hacked bitcoins spendable?

700,000 BTC were stolen from MTGox. So are they actually spendable by the hacker or are they now just lost to the world? I can understand wallets being encrypted, but why aren't individual BTC ...
michaelbinary's user avatar
0 votes
2 answers
616 views

Spend BTCs from a paper wallet

So, I want to create a cold storage bitcoin address to store incoming BTCs from donations and payments (I'm a freelance developer so I'm getting used being payed with BTC). Since this address has to ...
Delcaran's user avatar
1 vote
2 answers
696 views

Spending bitcoins - what happens to the change left in your address?

How do I manage my wallet and addresses when spending bitcoins? For example, let's say I have address abcdefgh, and I have 10 Euros there. I read that when I buy something worth say 4 euros in ...
bitcoin_newby100's user avatar
7 votes
3 answers
303 views

Freelancer: billing my customers in bitcoin

I do freelance work and I was considering offering my customers the option of paying me in Bitcoin. Given that bills are usually paid in 2 - 4 weeks after sending them, and the exchange is still quite ...
Chinthamani's user avatar
2 votes
1 answer
48 views

Will Flattr support Bitcoin?

It would be great if it would be possible to spend Bitcoins via Flattr. Does anybody know if there is something planed?
powtac's user avatar
  • 385
10 votes
3 answers
2k views

Can you pay with Litecoin anywhere you can pay with Bitcoin?

Can you pay with Litecoin at any place that accepts Bitcoin? If no where can you spend Litecoins?
Celeritas's user avatar
  • 879
5 votes
3 answers
3k views

Where can the private key from a bitaddress.org paper wallet be redeemed?

I recently got started by creating a single wallet using bitaddress.org. This contains the public bitcoin address and the private key in the wallet import format. I now have some coins in there, but ...
user4432's user avatar
  • 111
3 votes
3 answers
3k views

How do I withdraw bitcoins from my MtGox account?

I've purchased a few bitcoins on MtGox. Now I'd like to spend them. How can I actually spend the coins I purchased on MtGox? I've looked around mtgox.com for any indication of private keys, bitcoins ...
SundayMonday's user avatar
3 votes
2 answers
227 views

Effect of price increase on usage of Bitcoin

I was just about to pay for something with Bitcoins today and I hesitated for an instant thinking that the price might be $10 more next week. Is it possible that Bitcoin holders will be less likely ...
Emre K.'s user avatar
  • 3,188
6 votes
6 answers
1k views

Is anyone actually spending bitcoins?

I see lots of people talking about buying bitcoins, mining bitcoins, but no one spending. Maybe I am getting it wrong, but unless I can get paid with bitcoins, this seems to be pointless in my ...
Paulo Arruda's user avatar
7 votes
3 answers
4k views

How are fractions of bitcoin implemented and spent?

If the ability to spend bitcoins and therefore bitcoins depend on/correspond to private keys, how can fractions of coins exist? Can the key be split up? How are fractional transactions signed versus ...
Kinnard Hockenhull's user avatar