UNDERSTAND THE SYSTEM UNDERNEATH
Explore the layers behind digital financial systems.
Explore the structure and relationships from infrastructure to everyday services.
Explore system layers
ARCHITECTURE OVERVIEW
A map of digital finance architecture
Each layer has its own role and connects through data, standards and rules.
ApplicationsLayer 5
InterfacesLayer 4
Core servicesLayer 3
GovernanceLayer 2
InfrastructureLayer 1
LAYER BY LAYER
What each layer does and where it stops
05
Applications
Where users meet a service
04
Interfaces
Connections to the service
03
Core services
Processing and records
02
Governance
Relevant rules
01
Infrastructure
System foundation
SECURITY CONTROLS
Controls across the system
Identity and access
Look for evidence, practices and clearly stated limits.
Data protection
Look for evidence, practices and clearly stated limits.
Resilience
Look for evidence, practices and clearly stated limits.
Monitoring
Look for evidence, practices and clearly stated limits.
DATA FLOW
How information moves through the system
User
Interface
Core service
Related party
Infrastructure
CASE STUDY
A case study: one layer fails
A temporary outage in a core service can affect other layers. A layered map helps identify and explain the impact.
Read the case →QUESTIONS TO ASK