Verify Nintendo User Id — Reclaim Protocol

Verifies data from Nintendo (accounts.nintendo.com).

Nintendo userId and membership

Primary data point: User Id.

Reclaim Protocol generates a zero-knowledge proof that a user holds an active Nintendo session and exposes the following verifiable data points:

• User Id

How it works

1. Your user starts a verification session and signs in to Nintendo as they normally would.
2. Reclaim Protocol observes the encrypted Nintendo session through a zero-knowledge proof system, with no credentials leaving the user's device.
3. Your application receives a cryptographic proof of the user's data — verifiable on-chain or in your own backend.

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