Use Case

Proof of Attendance

Verified attendance records sealed permanently on-chain.

The Problem

Proof of Attendance

Conference badges, QR codes, and manual sign-in sheets are trivially forged. Attendees can share credentials, organizers cannot trust the numbers, and earned reputation is easy to fake.

The Solution

7aychain

7aychain seals each attendee's physical presence on-chain as an unforgeable credential. Organizers get tamper-proof attendance data. Attendees earn verifiable proofs that carry real weight in reputation systems.

Key Features

Unforgeable on-chain attendance proofs

Works with any event, any venue

Integrates with POAPs and reputation graphs

Privacy-preserving — no identity leaks

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