A Bitcoin wallet file stores your private keys, kinda like a digital safe.
It's the key to your coin castle! 🔐🏰💻
Why are there unsigned transactions?
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Unsigned transactions are like blank checks. They say "I wanna send this" but lack your okie-dokie signature.
Gotta sign to seal the deal! ✍️🚫💸
How are digital signatures on witness data different from segwit?