MyZubster Adds Signed Wallet Verification for Off-Chain Marketplace Requests

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MyZubster Marketplace has introduced a system allowing users to create marketplace requests verified by an EVM-compatible wallet using off-chain cryptographic signatures. The flow separates identity, intent, and payment — meaning a signed request is not a blockchain transaction and no funds are authorized at this stage. Users connect a browser wallet, sign a backend-generated challenge to prove ownership, and then sign a separate economic snapshot when submitting a marketplace request. Single-use challenge tokens are consumed atomically after verification to prevent replay attacks, ensuring a signature cannot be reused to generate multiple orders. The feature introduces defined wallet states and order statuses, though the team notes the complete end-to-end production flow is not yet finalized.

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