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I am creating backend which monitor events on BSC and make cross chain tx.

but I heard that transaction can be replace or cancelled before confirmed.

so in my case does anyone make tx -> event get raised -> cross chain processed -> revert/cancel tx before confirm?

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  • If the event got raised/emited. Your transaction has been mined.And can't be cancelled. You would need to replace it ASAP with Lot's of gas and even then there is no guaranty that your second transaction with the same nonce will get picked up before the previous one. Sep 12 at 19:48
  • does replacement allow to change amount?
    – hashgoal
    Sep 12 at 20:02
  • Yes. But it will only work if you provided enough gas so it gets picked up first. Sep 12 at 20:05
  • so there is possibility of fraud happen after backend processing unconfirmed event.
    – hashgoal
    Sep 12 at 20:12
  • Not really. The second transaction still need to be sent and signed. Sep 12 at 21:09

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