Platform Overview

One secure visitor-record service.
Multiple inclusion channels.

Buffr Checkpoint's architecture is built around a single principle: every visitor can check in. The channel changes. The data-protection standard doesn't.

Architecture

From visitor channels to encrypted object storage, every layer is designed for privacy, resilience, and regulatory readiness.

Check-in Channels

  • NFC / e-ID
  • QR pre-registration
  • Kiosk / tablet
  • USSD
  • SMS
  • Assisted front-desk

Site Edge

  • Android kiosk app
  • Encrypted local cache
  • NFC reader
  • Device policy / MDM

API & Identity Gateway

  • Authentication
  • API keys & rate limits
  • Idempotency
  • Signed device claims

Core Application

  • Visit lifecycle
  • Risk rules
  • RBAC
  • Retention & DSAR

Identity Adapters

  • DigiNam / NPKI
  • e-ID (when approved)

Data & Evidence

  • Flexible-deployment PostgreSQL
  • Notification service
  • Append-only audit log
  • Encrypted object store
DigiNam / NPKI: Not availableNational e-ID NFC: Targeted

Role-Based Access Control

Access control is applied at the data and API layer, not only in the user interface. Every sensitive action creates an immutable audit event.

RoleView rightsChange rightsExport rights
VisitorOwn confirmation onlyComplete own check-inNone
Host / StaffTheir own visitorsApprove, reject, updateNone by default
Front Desk OperatorCurrent-day roster (assigned site)Assisted check-in, sign-out, badgeCurrent-day operational list
Site ManagerFull history (assigned site)Site fields, hosts, configSite reports
Regional ManagerAggregated sites (assigned region)Limited regional configRegional reports
Compliance / Audit OfficerOrganisation-wide records & audit trailLegal holds, retention, DSAREvidence packs
System AdministratorConfiguration & operational metadataRoles, sites, policy, integrationsConfiguration/audit exports
Platform SupportNone by defaultTime-bound break-glass onlyNo routine export
DigiNam Verification AdapterOnly required verification fieldsNo human accessNone

Frequently Asked Questions

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