ChainLink AnyApi allows wallet verification directly from the smart contract. However, if you do not want or are unable to use ChainLink AnyApi, you query from a backend service instead.

Normally, Proofi uses blockchain events to verify that a wallet is trying to participate in a project. To query from a backend, the wallet owner first needs to approve the project by connecting through OpenID.

OpenID is not available by default in the beta version. If you're interested in using OpenID please contact

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