Description:
GEA App is the official authentication tool of Grading Eleven Authentication (GEA).
Designed for collectors, it provides fast and secure verification for every GEA-graded card — anytime, anywhere.
1. Instant NFC Authentication
Every GEA-graded card is embedded with an NFC chip containing an unclonable cryptographic authenticator.
Simply tap your phone on the slab to instantly:
Verify authenticity
View grading details
Confirm ownership and security status
No additional setup needed — just tap and check.
2. Certification Number Lookup
Prefer manual search?
You can also enter the certification number printed on every slab to quickly access the card’s official record.
This ensures flexible verification across all devices.
3. Activity History
GEA App automatically saves your recent authentication checks.
Visit the Activity page to revisit past records, manage your scan history, and keep track of your collection’s verification activity.
Why GEA App?
Secure NFC verification
Cryptographic authenticity protection
Fast record access
Designed for collectors
Official tool for GEA-graded cards
GEA App is the official authentication tool of Grading Eleven Authentication (GEA).
Designed for collectors, it provides fast and secure verification for every GEA-graded card — anytime, anywhere.
1. Instant NFC Authentication
Every GEA-graded card is embedded with an NFC chip containing an unclonable cryptographic authenticator.
Simply tap your phone on the slab to instantly:
Verify authenticity
View grading details
Confirm ownership and security status
No additional setup needed — just tap and check.
2. Certification Number Lookup
Prefer manual search?
You can also enter the certification number printed on every slab to quickly access the card’s official record.
This ensures flexible verification across all devices.
3. Activity History
GEA App automatically saves your recent authentication checks.
Visit the Activity page to revisit past records, manage your scan history, and keep track of your collection’s verification activity.
Why GEA App?
Secure NFC verification
Cryptographic authenticity protection
Fast record access
Designed for collectors
Official tool for GEA-graded cards
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