Proof’s online payment transactions are powered by Stripe, one of the world's leading and most trusted payment processing platforms.
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Proof does not store your credit card information in our system.

Stripe securely processes all transactions. All credit card numbers are encrypted and safely stored in Stripe's state-of-the-art data center.

All transactions are SSL (Secure Socket Layer) protected.

Stripe is a PCI Service Provider Level 1, the highest payment processing security grade.
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The only thing we see at Proof is whether a payment was approved or declined.