Unanswered Questions
355 questions with no upvoted or accepted answers
3
votes
0
answers
428
views
Cannot obtain a lock - Already deleted lock file
I am trying to open Bitcoin Core of "Cannot obtain a lock on C:User/App..." I deleted the lock. file like previously suggested but cannot find a solution after that! If I reinstall will I loose the ...
CommunityBot
- 1
3
votes
0
answers
330
views
How to ignore balance check to cancel unconfirmed transaction (double spending)
I need to cancel a transaction that was sent without fee (using Blockchain.info). It is currently "Unconfirmed". The only way I have found is to do a double spend of the whole wallet, specifying a ...
- 175
3
votes
3
answers
1k
views
Get transaction that spent a transaction id
The blockchain.info API allows for querying information about a particular Transaction by its ID. But if you want to follow the coins to the next transaction, I'm not seeing what the next query should ...
CommunityBot
- 1
3
votes
2
answers
815
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 ...
CommunityBot
- 1
2
votes
0
answers
118
views
Qualitative anatonomy of a transaction that uses ANYPREVOUT
I am entered the world of bitcoin recently and currently I am studying the broad area of covenants (that are gaining more attention from the community, see 1). In this context, certainly the BIP-0118 ...
- 15.8k
2
votes
0
answers
169
views
How can I recover from a "Bitcoin not sent" error on Bitcoin wallet
I use the Bitcoin wallet by the Bitcoin Wallet Developers.
Wallet 9.03, Android 9, Huawei P10 Plus.
After trying to send bitcoin to my Coinbase account, the message "Bitcoin not sent" ...
CommunityBot
- 1
2
votes
0
answers
41
views
When did Bitcoin start to allow more than 2 transaction outputs?
The original Bitcoin paper specifies that:
Combining and Splitting Value
(...) Normally there will be either a single input from a larger
previous transaction or multiple inputs combining smaller ...
- 123
2
votes
0
answers
112
views
Sending a transaction from a Trezor One with outdated firmware and lost recovery seed
I have a Trezor One with firmware 1.4.2 and I have lost the recovery seed. I'd like to send a transaction from the device to another address that I control. However, because of its outdated firmware, ...
2
votes
0
answers
84
views
Sign transaction externally
I create a transaction with inputs from a given address / public key without signatures. Every input needs to be signed. I use a different method to generate the signatures so I can't provide a ...
- 121
2
votes
2
answers
404
views
How to exchange small amount of bitcoin?
Hi I have a little question could you tell which is the best method to exchange 2.27mBTC (18€) in euros or USD?
I registered on coinmama but the minimum for them is 50€ is there any other exchange ...
CommunityBot
- 1
2
votes
0
answers
148
views
Address final balance is 0 after receiving 0.003 BTC
I generated a new BTC address (address A). I tried to send 0.003 BTC to address A. After sending them from my coinnomi wallet, the balance of address A remains 0 and from output seems that 0.003 BTC ...
2
votes
0
answers
499
views
Step by Step to Connect to ElectrumX via Nodejs
I am developing a simple app that will need to retrieve BTC wallet Address Balance and relative transactions
Initially I thought to use some existing APIs (btc.com, blockchain.com etc.), but the ...
CommunityBot
- 1
2
votes
0
answers
470
views
Getting Error "Unable to sign input, invalid stack size (possibly missing key)"
I have created a key from using coinstring, and then imported it into my wallet. Then I ran:
bitcoin-cli signrawtransactionwithkey "$rawtxhex" "[\"$mykey$\"]"
But it results in:
Unable to sign ...
- 221
2
votes
0
answers
391
views
How to send & receive bitcoin using bitcoinjs-lib?
First I create HD Wallet using BIP32 using mnemonics.
Now I want to generate new child addresses with private key using xpub & xpriv for every receive.
Then for example, I received BTC in 2 ...
- 1
2
votes
0
answers
59
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 ...
- 1,004