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.

← Back to /build

Payment

pi_3PqB0uec7hee2fbiy6

Subscription · Enterprise plan · monthly

succeeded

Amount

€1,306.39

Method

Card · via Stripe

Created

2026-05-08 04:24:24

Customer

Aino Rinaldi

cust_2589192e

Emailaino.rinaldi@vendor.example

IBAN hashiban-04a254eb4056

KYCverified

Tenantvendor-eu

Tenancy + posture

Tenantvendor-eu

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. 04:24:24
    tenant-gateisolation check passed tenant=vendor-eu · row.tenant_id matches session
    preve4698c47hash98d61667
  2. 04:24:24
    stripe.webhookverified signature, ingested pi_3PqB0uec7hee2fbiy6 · payment_intent.succeeded
    prevf3b23c57hashe4698c47