Crypto Wallet & Trading App
Fintech / crypto · USA
A secure Bitcoin/crypto wallet with real-time trading, biometric auth and hardware-grade key handling.
4.8★
app store rating
Who are they?
A fintech founder building a consumer crypto wallet where a single security mistake would end the business.
- Industry
- Fintech / crypto
- Market
- USA
- Stakes
- Custody of funds
What was going wrong?
This was a product where the hard part wasn't the screens — it was holding other people's money safely while still feeling fast and simple to use.
Hardware-grade security required for keys and funds
Real-time trading data with no tolerance for lag or error
Consumer-grade ease of use over genuinely complex machinery
What Nexalinx did about it
We put senior-only engineers on it and designed for the failure case first — then made the safe path feel effortless.
- 01
Hardened key handling
A Rust core for key material and signing, with biometric auth and threat-modelled storage.
- 02
Real-time trading
WebSocket market data and order flow tuned for low latency under bursty load.
- 03
Simple on the surface
A React Native app that hides the complexity behind a clean, consumer-friendly experience.
What the work produced
4.8★
app store rating
80k+
downloads
0
security incidents
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Prefer email? hello@nexalinx.com