monove - fingerprint

[tired quiver]

Yes, the fingerprint does not change with expiry, it represents the card number only
https://stripe.com/docs/api/payment_methods/object#payment_method_object-card-fingerprint

If the same card is tokenized for multiple customers, you'd see the same fingerprint to match on

eg, if you wanted to limit custoemrs to one trial period and require a card, a fingerprint check is a good way to enforce that to prevent repeat trial abuse