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Questions tagged [spending]

The tag has no usage guidance.

0
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2answers
30 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 ...
-1
votes
1answer
47 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
0
votes
3answers
48 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 ...
3
votes
1answer
480 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" ...
1
vote
1answer
197 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 ...
0
votes
1answer
392 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 ...
0
votes
3answers
173 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?
0
votes
1answer
84 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 ...
0
votes
0answers
155 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 ...
0
votes
1answer
67 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]
1
vote
1answer
1k 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 ...
0
votes
2answers
175 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 ...
0
votes
1answer
557 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 ...
1
vote
1answer
914 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 ...
4
votes
3answers
1k 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 ...
4
votes
1answer
114 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 ...
2
votes
1answer
2k 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. ...
1
vote
1answer
68 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 ...
3
votes
1answer
756 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 ...
4
votes
2answers
1k 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 ...
3
votes
2answers
1k 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 ...
2
votes
1answer
476 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 ...
-1
votes
1answer
824 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. . . .
0
votes
2answers
548 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 ...
1
vote
2answers
592 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 ...
7
votes
3answers
284 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 ...
2
votes
1answer
46 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?
11
votes
3answers
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?
5
votes
3answers
2k 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 ...
3
votes
3answers
2k 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 ...
3
votes
2answers
221 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 ...
5
votes
6answers
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 ...
7
votes
3answers
2k 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 ...