Payment systems that clear at scale.
Gateways, PSP integrations, cashless and NFC, settlement and ledgers — engineered to keep clearing when the network drops and the queue grows. The money has to add up, every time.
Built to clear offline.
Real venues lose connectivity at the worst moment. We design terminals and ledgers that take payment offline, reconcile when the link returns, and never double-charge or lose a cent. Idempotency, append-only ledgers, and reconciliation are the foundation — not an afterthought.
- [ 01 ]Offline-tolerant terminals and top-up
- [ 02 ]Idempotent, append-only ledgers
- [ 03 ]Real-time settlement and reconciliation
- [ 04 ]PCI scope minimised by design
What we build.
- Payment gateways
- PSP & acquirer integration
- Cashless & NFC systems
- Wristband & card top-up
- Settlement & ledgers
- Reconciliation & reporting
- Refunds & chargebacks
- PCI-DSS compliance
From transaction to settled funds.
- [ 01 ]
Map
We map every money flow — happy path, failure, refund — and where it must stay consistent.
- [ 02 ]
Build
Gateways, terminals, and ledgers built idempotent and offline-tolerant from the start.
- [ 03 ]
Prove
Load tests, chaos on the network, and reconciliation that has to balance to the cent.
- [ 04 ]
Operate
Live settlement dashboards and on-call runbooks — handed over or run with you.
What the work returns.
From a cashless events platform we ran across a three-day festival.
Payments in production.
NFC payments for 80,000 attendees
Wristband top-up, offline-tolerant terminals, and real-time settlement across a 3-day festival.
Tokenized asset rails
A permissioned ledger, custody, and a compliance dashboard — pilot to production in a quarter.
Moving money at scale?
Tell us the flows and the volume. We'll come back with a ledger design, an architecture, and a plan.
Start a project