Demo · synthetic dataThis is what a substrate-built fintech product looks like running. UI is interactive — click any payment, customer, or mandate to drill in. Data is synthetic but consistent across all views.

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Payment

pi_3PqBwf15arizk4v8zd

Subscription · Pro plan · monthly

succeeded

Amount

€190.14

Method

Card · via Stripe

Created

2026-05-08 14:05:18

Customer

Felix Lopes

cust_9e35f243

Emailfelix.lopes@acme.example

IBAN hashiban-6123757a8e8f

KYCverified

Tenantacme-co

Tenancy + posture

Tenantacme-co

Tenant-gate checkpassed

Stripe webhook signatureverified

Webhook replay window≤ 5 min · enforced

PCI-DSS scopeSAQ-A · no PAN

AI Act Art. 12 logimmutable append-only

Audit chain · 2 events for this payment

View full audit log →

Every event references the FNV-1a hash of the previous event in the global audit chain. Tampering with any event breaks the chain and is detected by the daily integrity job (next run 03:00 UTC).

  1. 14:05:18
    tenant-gateisolation check passed tenant=acme-co · row.tenant_id matches session
    prev44a7afa4hashe2698308
  2. 14:05:18
    stripe.webhookverified signature, ingested pi_3PqBwf15arizk4v8zd · payment_intent.succeeded
    prev4f0d1e0dhash44a7afa4