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How CELT-UV works

A three-stage fraud prevention pipeline, running inside the payment gateway.

ITokenize

Wrap the payment in a one-time CELT-UV

The engine wraps the payment in a unique, one-time Cryptographic Ephemeral Limit Token — Upgraded Version. Dynamic spending limits and authorisation rules are bound directly to the token payload.

CELTUV_PAYLOAD { token: ephemeral, single-use spend_limit: dynamic auth_rules: bound-to-payload }
IIIngest

Five live vectors, evaluated pre-authorisation

The API is designed to ingest five live signals before a transaction is authorised, providing context about the session, device, location, transaction pattern and merchant.

App Behavior Usage pattern match
Device Integrity + ID check
Location Geo consistency
Txn Pattern Spend behaviour
Merchant Risk score
IIIDecide

Interdict mid-transaction, or authorise

When risk signals exceed an institution’s configured threshold, the decision engine can support interdiction or additional controls. Transactions below that threshold can continue through the institution’s authorisation path.

VISUAL WALKTHROUGH · one transaction, start to finish DECISION LOGIC
Payment Initiated STAGE I Payment wrapped in one-time CELT-UV App Behavior Device Integrity Geo- Location Txn Pattern Merchant Score STAGE II ML model scores all 5 vectors STAGE III Anomaly detected? NO Authorise Funds settle normally zero added friction YES Kill transaction mid-stream Funds blocked at source interdiction path
Authorisation path — no configured anomaly Interdiction path — anomaly flagged pre-authorisation