01Non-custodial multi-chain wallet
The business dilemma
A wallet is a product where one signing bug can drain user funds — and one App Store rejection can stall a launch for weeks. Speed and safety pull in opposite directions.
System architecture
- 01Key storage threat-modelled before the first screen was designed.
- 02Signing logic isolated from the UI layer so it can be reviewed on its own.
- 03App Store & Google Play review requirements planned into the roadmap, not discovered after it.
Deliverables matrix
- Product
- iOS & Android apps
- Chain
- Smart-contract integrations
- Finance
- DeFi connectivity
- Safety
- Security review checklist
Stack: React Native · Solidity · Web3












