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I'm a Brand

Launch campaigns, fund outcomes, manage contributors, and pay for verified results.

You will sign a short message — not a transaction. It proves you control this wallet and does nothing else. No fee is paid and no funds move.

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How sign-in works

The server issues a single-use challenge bound to vyntara-frevana.vercel.app. Your wallet signs it. The server verifies the signature, the domain and the challenge's freshness, consumes the challenge so it can never be replayed, and only then creates a session.