Bitcoin

I have a question about an unspent transaction, we know that after some transactions we have a change address created by the main address, now imagine that Bob mined 6 BTC, now he transferred 2 of the two Alice and now in Bob's change address there is 4 BTC and they are unspent, now the question is that if I try to get unspent transaction of the main wallet with bitcoin core ...

I'm trying to understand the logic of generating a valid BIP-39 seed phrase. I have read the BIP-39 and trying to implement the section Generating the mnemonic step by step. I have the following Crystal code that works very well for ...

Trying to obtain a lost private key from 24 mnemonic phrases and a 25th word. Has anybody successfully managed to do this ? Have looked at BIP39 converter but not sure if this has that ability, and seems to return 128 character key and the wallet requires a 64 hexadecimel input

I want to make sure my Bitcoin Core node is working correctly.

Are there any tools to test it — such as querying node status or sending test transactions?

Should I sell now and pay AUD 8,320 on an AUD 26,000 gain, or wait a few months and pay only 50% — but risk the price dropping by then? 🤔🤔 https://money-snap.com/au/crypto-tax-calculator/