BTC Real vs Flash Checker

Uses mempool.space API

Tip: Only trust Confirmed amounts. Anything under Unconfirmed is pending and can disappear (often called “flash”).

Confirmed (Real)

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Unconfirmed (Pending / Suspicious)

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Breakdown (Unconfirmed)

Incoming (pending): –
Outgoing (pending): –

TX Counts

Confirmed tx count: –
Unconfirmed tx delta: –

Real = Confirmed. Unconfirmed is the current **net** effect still in mempool. If positive, that much could be “flash” unless/until it confirms.

Security notes:

Zero-confirmation (“0-conf”) can be canceled or double-spent. Wait for confirmations.
For high value, wait 6 confirmations.
You can cross-check the same address on another explorer like Blockchair.