Blockchain Fundamentals

Block Confirmation

Also: Confirmation

Each new block built on top of the one containing your transaction counts as one more confirmation. More confirmations mean it is less likely the transaction can ever be reversed. Exchanges often wait for several before crediting a deposit.

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.