Scaling & Network Infrastructure

Zero-Confirmation Transaction

Also: Zero-Conf, Unconfirmed Transaction

A transaction that has been broadcast but not yet included in any block. Accepting one is fast but carries the risk that it will be replaced or never confirmed.

General education, not investment, legal or tax advice. Markets and regulation change quickly: where a definition depends on current law or on a recent event, check the latest coverage before relying on it.