Require a card on file before a bidder can bid

Highest-friction trust setting. Use for high-value rooms.

Card-on-file is the strictest trust setting. Bidders pre-authorise a payment method before the system accepts a bid.

1

Dashboard → Trust → Bidder verification → choose Card on file.

2

On their first bid in any of your rooms, the bidder is prompted to add a card. Stripe Elements handles the form.

3

We do not charge the card yet. We hold a $0 verification and unlock bidding.

Trade-offs

4

Cuts bidder dropout from no-pays by roughly 80% in our beta sample.

5

Adds friction: expect 10 to 20% fewer first-time bidders to convert to a bid.

Best for watches, cards, sneakers above R5,000. Overkill for most casual community rooms.

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