Verify EchoInvestorPartialUrl Echouser — Reclaim Protocol

Verifies data from EchoInvestorPartialUrl (app.echo.xyz).

Proves the holder has contributed a positive amount to at least one Echo round. Two conditions on the authenticated portfolio document: Contributions > $0 (a literal regex inside the provider hash), and the account EmailAddress from the header payload, OPRF-hashed so only a stable pseudonym is revealed. The email is deliberately the identity rather than the portfolio uuid, because the uuid also appears in the url and claimInfo.parameters is signed and submitted as public calldata — hashing a value that ships in plaintext in the same claim buys nothing. The uuid is partially redacted out of th…

Primary data point: Echouser.

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

• Echouser

How it works

1. Your user starts a verification session and signs in to EchoInvestorPartialUrl as they normally would.
2. Reclaim Protocol observes the encrypted EchoInvestorPartialUrl 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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