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Unanswered Questions

238 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 ...
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 = '...
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 ...
3 votes
0 answers
290 views

How to calculate the purging low-fee for a node with the default mempool size?

I'm running a full node with a mempool size set to 2 GB. Default mempool size is 300 MB. At the moment (block hight 785,095) the mempool size is around 344 MB. Running rpc command bitcoin-cli ...
3 votes
0 answers
628 views

bitcoin TransactionBuilder is not a constructor

I'm trying to send bitcoin with the bitcoinjs-lib library and I get the following error: TypeError: bitcoin.TransactionBuilder is not a constructor at sendmoney (/Users/....../bitcoin.js:53:18) at ...
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 ...
3 votes
0 answers
75 views

How to segregate wallet from bitcoin core | Run multiple wallets in different servers on one centralized bitcoin node

I am running bitcoin full node in a centralized server. I have many web applications running in various places. I want to connect this web applications with centralized full bitcoin node. How to ...
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 = "...
3 votes
0 answers
466 views

Electrum Seed Purpose for MultiSig Wallet

I'm curious as to what exactly is protected by the seed that Electrum generates for a multisig wallet. My knowledge of the protocol implementation is rather basic, so please correct me where I'm wrong ...
3 votes
0 answers
6k views

bitcoin-cli - "error: couldn't connect to server" [solved as per comment]

I have bitcoind 0.13.1 running on a Raspberry Pi. I can see it on the bitcoin network using bitnodes.21.co but I can't connect to it locally with bitcoin-cli. My bitcoin.conf is: rpcuser=xxx ...
3 votes
0 answers
184 views

Electrum via command-line: can generic blockchain info be requested?

For example can I ask the Electrum client via it's API what the height or version of the latest block is? Looking through the docs all I currently see is wallet commands.
2 votes
0 answers
15 views

Does BIP86 not use a unique prefix for extended keys?

Do BIP86 extended keys not use a unique prefix? For example: BIP44 = xprv/xpub BIP49 = yprv/ypub BIP84 = zprv/zpub BIP 86 = xprv/xpub? In other words, do BIP86 extended keys share the same ...
2 votes
0 answers
58 views

Using BIP32 derivations, can all seeds theoretically produce all public keys?

I was interested in how many possible combinations of BIP 32 derivation paths exist, which could result in a public key derived from a seed. While some people colloquially call it "unlimited,&...
2 votes
0 answers
82 views

How to claim funds in a multisig address from a money pool psbt?

Mostly followed this guide on how to create a psbt where multiple users pool money together. Everything is done in regtest. The gist of what I did is as follows: Created 2 different descriptor ...
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 ...

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