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Unanswered Questions

350 questions with no upvoted or accepted answers
0 votes
0 answers
21 views

Unconfirmed transactions

I am trying to load my old Bitcoin Qt 0.8.6 wallet and I am left with old transactions as unconfirmed. How do I fix this problem? The balance in the wallet is not confirmed by the network.
1 vote
1 answer
36 views

pywallet needs 'bsddb' package to run, please install it

On a Ubuntu 24.04.1 LTS VM I installed Python 2.7.18 via: wget https://www.python.org/ftp/python/2.7.18/Python-2.7.18.tgz tar xzf Python-2.7.18.tgz cd Python-2.7.18/ sudo ./configure --enable-...
-1 votes
0 answers
38 views

Technological advantages of the Bitcoin over Cardano

I have been in the blockchain space for a long time and recently, I discovered that Bitcoin still has a lot of properties that could be considered as advantages over major newer generation blockchains ...
0 votes
0 answers
25 views

How to implement coinscrash.com model of deposit & withdraw flow for my crypto poker casino?

In coinscrash.com for each user they generate separate bech32 address for deposit & displays the deposited amount as balance in top of the navigation bar. Similarly for withdraw they just ask for ...
0 votes
0 answers
34 views

How to verify a BTC address was generated by my private and public keys

I created a wallet using a seed phrase and a passphrase. I sent BTC to the first address listed by the wallet The BTC arrived at that address. The wallet is not now listing that address. I have the ...
0 votes
0 answers
34 views

Is there an HTLC-like protocol for cross-chain transfers without user-controlled secret management and protection against LP abuse?

Context: I am exploring cross-chain transfers from Bitcoin to another network and want to avoid a common issue in HTLCs where users manage secrets and could potentially cause harm to liquidity ...
0 votes
1 answer
61 views

I am having a problem with network reply stalling at 3 months behind

I have Bitcoin_wallet 'Version wallet 9.26' installed on an old Oppo R11s phone I have a message saying "Synchronizing with network, 3 months behind" When trying to transfere funds across to ...
0 votes
0 answers
38 views

Why are the results of BTC message signature implemented in Python different from those on electrum?

from bit import Key from bit.format import verify_sig import base64 from hashlib import sha256 # Use WIF format private key wif_private_key = 'Kxb19KFrrqrmT79bvG4tnKibVcgppavcvjkP1iBGGjnH787H39QG' ...
0 votes
1 answer
82 views

Is there any major flaw in this seed-phrase encryption approach?

I would like to add some security to my seed phrase storage for existing wallets. I'm not trying to make it absolutely secure, just want to make it much more difficult to access my fund if someone ...
3 votes
0 answers
140 views

What is exactly Randstorm vulnerability?

I've read the article from Unciphered about it, multiple times, and still fail to understand it It basically says that wallets generated by BitcoinJs front end library from 2011 to 2015 are vulnerable ...
1 vote
0 answers
55 views

python "pbkdf2_hmac" function doesn't return same as Ian Coleman BIP39 tool. Why?

I am trying to go from a BIP39 phrase to Seed to xprv root key. I have the following BIP39 phrase: "prefer offer puppy imitate pink banana because whale letter thought artwork loud" which ...
0 votes
0 answers
60 views

Python code to create a two-input transaction in test net

I made a transaction that can be spent by anyone and now I wanna spend it and bring it back to my address. The problem in it doesn't have enough bitcoin for transaction fee so I'm using another input ...
-1 votes
1 answer
167 views

Blockchain sync seems to be stuck in a loop?

SOLVED! UPDATE: The issue was not bitcoin related. I had to increase the root partition of ubuntu, as it wasn't using the full SSD size I had, but only 100 GB and the sync therefore ran out of space ...
0 votes
0 answers
36 views

How to spend one or more p2tr inputs in python?

I see that bitcoinlib does not support taproot yet. Is there any good lib out there to spend one or more taproot inputs? I would like to create txs like this: ... "inputs": [ { &...
0 votes
1 answer
212 views

How to generate coinbase transaction in Python?

I know that on this forum a lot of questions on this topic, I have checked most of these, but can't find the solution for my task. I am creating my own algorithm for solo mining bitcoin on Python. I ...

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