Key takeaways
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A misunderstanding of fee units led to an accidental overpayment worth more than $60,000 during a replace-by-fee transaction.
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The user confused sat/vB (fee per byte) with total satoshis, leading to an extreme overpayment.
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RBF replaces a transaction with a higher-fee version, while CPFP adds a new transaction to boost the original; each has different use cases and risks.
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Use trusted wallets, double-check fee units, and let the wallet suggest optimal fees. Avoid panic, stay updated and always verify transactions before hitting…