Authenticity Redefined in Card Grading

At Quantum Grading, we provide quantum-backed authentication for collectible cards through the use of quantum physical unclonable functions. How do you really know a PSA slab is real? The answer is you don't. Any classical form of authentication (barcode) is meaningless in the world of quantum. Let our technology ensure your priceless cards are authenticated.

A collection of vintage baseball card packs is arranged inside an open wooden box. The cards are colorful, with a focus on a red pack featuring an illustration of a baseball player. A sign in the background reads 'Vintage Baseball Cards'.
A collection of vintage baseball card packs is arranged inside an open wooden box. The cards are colorful, with a focus on a red pack featuring an illustration of a baseball player. A sign in the background reads 'Vintage Baseball Cards'.

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QPFU Layers

Live Authentic slabs

Several documents and an envelope are displayed, including a membership card with printed text and a black-and-white photograph of an older man wearing glasses. The envelope has handwritten addresses and a few stamps attached.
Several documents and an envelope are displayed, including a membership card with printed text and a black-and-white photograph of an older man wearing glasses. The envelope has handwritten addresses and a few stamps attached.
Fluorescent Quantum Emitters

Embedded quantum emitters compose the physical unclonable architecture.

Magnetic Quantum Emitters

Our QPFU architecture guarantees no classical system (physical nor virtual) can recreate the QPFU authentication used in our grading process. Optically detected magnetic resonance is one of the many magnetic imaging techniques applied to characterize our slabs with coherent control.

Tamper-Proof Solutions

Our sealing and authentication process ensure all cards remain untouched, providing authentication without damage. The use of non-contact, optical, characterization techniques allow us to do so.

A baseball glove and ball made of handcrafted top grain cowhide lie on a wooden surface. Nearby, a pair of dark sunglasses and a beige zipper pouch with a small tag are placed. The lighting casts soft shadows, enhancing the warm tones of the objects.
A baseball glove and ball made of handcrafted top grain cowhide lie on a wooden surface. Nearby, a pair of dark sunglasses and a beige zipper pouch with a small tag are placed. The lighting casts soft shadows, enhancing the warm tones of the objects.
Card Authentication

Embedded quantum emitters ensure tamper-proof card security and authenticity.

Verify
A collection of various vintage baseball card packs arranged on a dark surface. The packs feature vibrant and colorful designs with bold text, representing different brands and styles of baseball cards from past decades.
A collection of various vintage baseball card packs arranged on a dark surface. The packs feature vibrant and colorful designs with bold text, representing different brands and styles of baseball cards from past decades.
Grading Process

Download the brochure for detailed technical information.

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