Use case
Subscriptions
A subscription can charge the card only while the loaded balance covers it. Top up before the renewal if you want the charge to clear.
PoppiPay does not store a merchant mandate against your crypto wallet. The merchant charges the card. The wallet moves only when you lock a load.
Freezing the card stops new charges. That action has no PoppiPay fee. A frozen card still needs a later unfreeze before you can spend again.
This is a prepaid balance, not a credit line, so a renewal larger than the card balance will not be funded automatically.