Fintech & Crypto Development
Fintech & Crypto App Development Company
Wallets, payments, virtual cards, VTU platforms and crypto products built to handle real money and real regulatory scrutiny.
Why teams bring this to us
Money software is unforgiving. A rounding error, a race condition on a double-spend, a failed webhook — each one costs you customers and cash. We've built gift card trading platforms, multi-currency wallets and VTU systems that process live transactions daily, so we build with ledgers, idempotency and audit trails from the first commit.
- Double-entry ledger architecture — every naira accounted for, reconcilable to the kobo
- Paystack, Flutterwave, Monnify, Squad and international PSP integrations
- KYC/AML flows, BVN & NIN verification, tiered account limits
- USD/EUR virtual accounts, virtual dollar cards and multi-currency support
- Crypto: wallet infrastructure, on/off-ramps, gift card and P2P trading engines
- Security-first: encryption at rest and in transit, fraud rules, rate limiting, 2FA
What you receive
- Transaction ledger & reconciliation engine
- Compliance-ready KYC/AML workflows
- Customer mobile app + admin back office
- PSP and banking API integrations
- Security audit & penetration test report
- Ongoing monitoring and support
Not sure where to start?
Book a free scoping session. You'll leave with a plan and a fixed number, whether or not you hire us.
Talk to an engineerProof
Products we've shipped in this space
Fintech & Crypto Development FAQ
Fintech & Crypto Development: common questions
Can you build a fintech app that meets CBN requirements?
We build the technical controls regulators expect — KYC tiering, BVN/NIN verification, transaction limits, audit logs, data encryption and reconciliation. We work alongside your compliance advisers or licensed partner; we're engineers, not a licensing agency.
Do you build crypto and gift card trading platforms?
Yes. We've shipped live gift card trading and wallet products, including rate engines, card verification workflows, automated payouts and fraud screening.
How do you handle security?
Encryption in transit and at rest, secrets management, role-based access, 2FA, rate limiting, anomaly detection and a full audit trail — plus an independent security review before launch.
Client words
Founders keep coming back for the same reason: the thing actually works
A selection of feedback from the teams whose products we've designed, engineered and launched.
“They didn't just deliver an app, they questioned our business model until the product made sense. We launched on Play Store in ten weeks and the payout flow has been rock solid since day one.”
“The wallet handles USD and EUR accounts, virtual cards and bill payments without a single reconciliation issue. That level of care with money is rare.”
“Our enquiries went from a trickle to a steady stream of qualified quote requests. The site is fast, it ranks, and the WhatsApp funnel converts.”
“What set KopixX apart is that they've actually run products of their own. The advice on monetization and store listing was worth as much as the build.”
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Other things we do well
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Ready to start your fintech & crypto development project?
Tell us what you're trying to build. You'll get a straight answer on whether it's viable, what it costs, and how long it takes — free.
Or email hello@kopixxsoftware.com · Call 0704 002 3598