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Montowire FinTech platform case study

Regulated payment platform with KYC/AML compliance, multi-currency wallets, crypto payment rail integration and compliance-first architecture.

TL;DR: SplineStudio built Montowire — a regulated multi-currency payment platform with KYC/AML workflows and crypto payment rails — across a Flutter mobile app, a Vue.js web platform and a secure Node.js backend, with compliance designed into the architecture from day one.

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The challenge

The client needed a production-grade financial platform capable of handling multi-currency transactions, KYC/AML compliance workflows, crypto payment rails and complex integration requirements — built for regulated markets.

What we built

A full-stack financial product including Flutter mobile app, Vue.js web platform and a secure Node.js backend with compliance-first architecture, crypto payment rail integration and third-party financial integrations.

Tech Stack

Flutter · Vue.js · Node.js · PostgreSQL · Redis

Services

Mobile · Web · Backend · QA · DevOps

Compliance

KYC · AML · FINTRAC · Audit logging · GDPR · Crypto rails

Results

Production-grade architecture

Scalable system built for regulated financial operations from day one.

Full compliance workflow

KYC/AML processes integrated into the product flow, not bolted on.

Ready for further growth

Architecture prepared for additional markets, currencies and integrations.

FAQ

Montowire — questions

Montowire is a regulated multi-currency payment platform with KYC/AML compliance and crypto payment rails, built by SplineStudio for a FinTech client operating in compliance-heavy markets.

A Flutter mobile app, a Vue.js web platform, and a secure Node.js backend with PostgreSQL and Redis.

KYC/AML workflows, FINTRAC requirements and audit logging were designed into the core transaction architecture, with GDPR-aware data handling — not added afterwards.

Yes. Crypto payment rails were integrated as a payment layer within a compliance-first product, alongside traditional payment flows.

Yes. SplineStudio builds regulated FinTech products with KYC/AML workflows, secure backend architecture and crypto payment integration.

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