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Permanent QR Use Case

Medical ID & Allergies

Emergency data that never vanishes.

The Problem

Medical bracelets routing to emergency information cannot risk a server outage or unrenewed subscription.

Why The Eternal Tier Responds Intentionally

The paid Eternal tier gives users a recovery mechanism for the emergency-information destination instead of relying only on an active subscription.

Cryptographic AnchoringUnlike the Free/Basic hosted tier, the paid Eternal tier writes an encrypted routing payload to Base L2. Eternal QR derives and exports a per-user recovery key so the last anchored destination can be decrypted without the Eternal QR servers. Basic operates on traditional infrastructure and does not include blockchain anchoring.

Real-world Example

A diabetic patient wears a steel tag linking to medical context and emergency contacts.

Future-proof your medical id & allergies

Stop leaving a critical digital legacy entirely in the hands of generic SaaS tools. Add Base anchoring and recovery-key export with the paid Eternal tier.

View Eternal Pricing

Open-source verifiable recovery application is planned for near-term launch.

eqr.link

Eternal QR codes — backend-controlled routing, per-user encryption, blockchain-backed survivability.

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