title: Hybrid: Scenario 1 and Scenario 3

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Mobile/Web App -> Bank Server: Call API of Bank to get temporary credentials or signature

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Bank Server -> TrustingSocial Server: Call API to generate temporary credentials

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Mobile/Web App <- Bank Server: Return temporary credentials or signature

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Mobile/Web App -> TrustingSocial Server: Upload images, video frames and call APIs sanity or any APIs.

Note: Recommend _**Upload images and video frames**_ only. Other APIs should be called from Bank Server.

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Mobile/Web App <- TrustingSocial Server: Return image_ids, file_ids

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Mobile/Web App -> Bank Server: Call API services OCR, Tampering, Liveness check, Compare Faces, Face Authen, NFC, ...

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Bank Server -> Bank Server: Internal bank's processing

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Bank Server -> TrustingSocial Server: Call API services OCR, Tampering, Liveness check, Compare Faces, Face Authen, NFC, ...

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Bank Server <- TrustingSocial Server: Return eKYC result.

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Bank Server -> Bank Server: Internal bank's processing eKYC result

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Bank Server -> Mobile/Web App: Return result to Mobile/Web App