What is Zero Confirmation?

Zero Confirmation

Zero Confirmation means that the transaction is not yet included in any block and is in an unapproved state.

Because of the possibility of double payment, we do not trust a transaction until it is approved.

Double payment means that if you send one bitcoin to A, and then immediately send the same bitcoin to B with more fees, B will be approved faster than the bitcoin you sent to A will be approved. As a result, the bitcoin received by A will be a double payment and will never be approved again.

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