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Verifying P2WPKH using ECDSA

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unrecognized output wallet when using Electrum to send bitcoin

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Error validating transaction: Transaction orphaned, missing reference (TESTNET)

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Does new transaction in RBF has a txid different from the stuck transaction ? If yes , then isn't it basically creating a new transaction?

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Transaction help

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I send sats to the Bitcoin Core wallet I created some time ago without knowing what I was doing and now facing issues with withdrawal I am clueless

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