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Stopping off-platform scams at scale

Security TeamPlatform SecurityMay 2026 · 6 min

The single biggest scam vector in any digital-goods marketplace is moving the conversation off-platform, where escrow and the activity log no longer apply.

Detection in the chat layer

Every message passes through a classifier that flags attempts to share external contact details or payment handles. Flagged threads surface a warning to the buyer and are logged for the trust team.

Why escrow only works on-platform

Protection ends the moment money leaves SubVexa Shield. Keeping the transaction on-platform is the simplest, strongest defense — so we make the safe path the easy path.