Secure Multi-Chain Crypto Wallet with Fiat Integration and Cross-Chain Trading
2500+
hours of development
$85K
Project Budget
7
person expert team
ABOUT THE CLIENT
ScratchApp is a crypto startup targeting the Colombian market. Their vision: provide users with an easy, secure, mobile-first crypto wallet supporting both blockchain assets and fiat access.
Challenge
The client approached us with the goal of building a mobile wallet for the Colombian market that could: support multiple major blockchain networks, offer cross-chain swaps and bridges & enable fiat-to-crypto onboarding directly via bank APIs. All while meeting strict compliance and passing security reviews on Apple and Google stores.
Deeper Look
We built a robust mobile crypto wallet with a powerful backend infrastructure
Multi-network integration
Ethereum, Solana, TRON, Binance Smart Chain, Polygon, Base, Arbitrum
Fiat on-ramp integration
through direct bank APIs and 3rd-party providers
Full security compliance
Passed Apple App Store and Google Play review processes
User-friendly interface
Designed a smooth, intuitive UI/UX optimized for mobile users in emerging markets
Trading Crypto Wallet
Launch Your Own Crypto Wallet
Got an idea but no one to implement it fast? Contact us and we'll get back to you within 24 hours.
Tech stack
Tech Stack used
React Native
Ethereum
Solana
Polygon
Arbitrum
Base
BSC
What We Deliver
Business Results
We launched ScratchApp’s crypto wallet in Colombia, unlocking new revenue streams and positioning it as a trusted bridge between banks and DeFi.
Market Entry & User Growth
Market Entry & User Growth
3 new revenue streams added
3 new revenue streams added
Full integration with 2 major banks and 4 DeFi networks
Full integration with 2 major banks and 4 DeFi networks
Share your idea, so we could help you business grow!
Max
CTO, expert in Crypto development
