Unconfirmed btc transactions – Bitcoin Stack Change

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If there are three addressess A, B and C and somebody sends a transaction tx1 from A -> B and one other one tx2 from B -> C that spends the very same cash (tx2 enter is tx1 output) then tx2 can’t be confirmed till tx1 is confirmed.

Sure somebody may trick you to just accept an unconfirmed transaction as closing after which ship the identical cash elsewhere (with the next price). That’s why you shouldn’t think about transactions closing until they’re confirmed with a minimum of a couple of confirmations (6 used to berecommended)



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