Unanswered Questions
151 questions with no upvoted or accepted answers
4
votes
0
answers
305
views
Creating a P2SH-P2WPKH using Bitcoin Functional Test Framework
I'm using the Bitcoin Functional Test framework to understand how SegWit works by analyzing and building a P2SH-P2WPKH transaction.
When I run my code the transaction gets created, but when I inspect ...
- 10.4k
4
votes
1
answer
1k
views
Generate addresses from Trezor's xPub using Python
I am trying to generate BIP32 HD addresses from my Trezors xPub key.
I keep getting errors with most of the libs our there. What am I missing?
pywallet:
from pywallet import wallet
xpub = '...
CommunityBot
- 1
3
votes
1
answer
472
views
Partial private key recovery
I had the pleasure of setting up a Bitcoin wallet using the Blue Wallet app and diligently noted down the 52 characters of my private key on a piece of paper for backup purposes.
Upon revisiting the ...
- 1
3
votes
0
answers
219
views
How can inputs be retrieved efficiently when parsing the bitcoin blockchain?
I downloaded the Bitcoin blockchain. I have a full node and I would like to do some parsing. I use RPC to send commands to Bitcoin Core from my Python program. When I get a block it works fine but the ...
- 77.9k
3
votes
0
answers
2k
views
How to sign bitcoin raw transactions with Python offline
I have a raw bitcoin transaction created using createrawtransaction
unsigned_tx = "...
CommunityBot
- 1
2
votes
0
answers
39
views
Safe to Carry a Card Containing my Seed Phrase and the Wallet in an International Flight?
As the question says. I have the seed phrase (collection of 24 words like theatre, soldier etc.) written on the card supplied by the manufacturer and the wallet itself.
As I am relocating, it is ...
- 133
2
votes
0
answers
180
views
Bitcoin Core RPC server not working
I have downloaded and installed and got up and running a bitcoin core node, and it is running fine as far as people are connecting to it on port 8333 just fine. However I can't seem to connect to it ...
- 10.4k
2
votes
0
answers
110
views
How to get transaction fee info using Python from an Electrum server?
I can get a raw transaction and parse it using electrum and bitcoinlib fairly easily:
import bitcoinlib
from electrum.daemon import Daemon
from electrum.simple_config import SimpleConfig
class ...
- 10.4k
2
votes
1
answer
378
views
Invalid checksum when generating BIP-39 Mnemonic
I am trying to generate a mnemonic seed in Javascript, and while everything seems to be working, I am not getting a mnemonic with a correct checksum. Here is my implementation:
export const ...
CommunityBot
- 1
2
votes
0
answers
235
views
What tools can I use to create and replace RBF transactions?
I'd like to create transactions within my python application, that support replace-by-fee RBF (BIP125).
Apparently, if I want to be able to replace my transaction later on, I need to signal that ...
- 77.9k
2
votes
0
answers
320
views
Recovering 2 of 2 multisig HD Wallet with bip38 encrypted private key
I have been trying to figure out if it is possible to restore my wallet with the current information I have.
The wallet is a 2 of 2 multisignature HD wallet
The first key is Bip38 and requires a ...
- 21
2
votes
1
answer
250
views
Reusing bitcoin hw wallet infrastructure as a PGP replacement?
A lot of people who own Bitcoin are already know how to securely generate, store and use their BIP32 + BIP39 wallets, and own hardware wallets.
Are there any existing projects/standards trying to bolt ...
CommunityBot
- 1
2
votes
1
answer
302
views
SPV client TCP connection in python
I am trying to implement an SPV client in python (for my own learning). I want to start by making a simple TCP connection to a full node, but I either cannot get a response to my version message, or ...
CommunityBot
- 1
2
votes
1
answer
510
views
Is the checksum used in BIP39 mnemonic sentences too short?
In the BIP39 specification, you add 1 bit of checksum for every 32 bits of entropy you generate.
Therefore, with a common entropy size of 128 bits, you are only adding 4 bits of checksum. This means ...
CommunityBot
- 1
2
votes
0
answers
122
views
How to generate unspendable testnet bitcoin address with python?
I'm trying to generate a testnet address. However, I tried to write this python program (using help of various online code places), and I created this program. The program is designed to take a 20 ...
- 21