ScratchApp - Multi-Chain Crypto Wallet with Fiat Integration and Cross-Chain Trading
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.
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.
Solution
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.
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.
Results
We launched ScratchApp’s crypto wallet in Colombia, unlocking new revenue streams and positioning it as a trusted bridge between banks and DeFi. The client achieved a fast and secure market entry with a polished product. The wallet now supports revenue through transaction fees, subscriptions, and partner services. Positioned for future growth, the app enables smooth access to both DeFi and traditional finance tools.
We launched ScratchApp’s crypto wallet in Colombia, unlocking new revenue streams and positioning it as a trusted bridge between banks and DeFi. The client achieved a fast and secure market entry with a polished product. The wallet now supports revenue through transaction fees, subscriptions, and partner services. Positioned for future growth, the app enables smooth access to both DeFi and traditional finance tools.