Scratch is a mobile cryptocurrency wallet, supporting seven major blockchain networks (Ethereum, BSC, Polygon, Base, Arbitrum, TRON, Solana), fiat-to-crypto functionality, and a bridge provider to deliver a secure, scalable, and accessible platform
The client aimed to build an intuitive, feature-rich mobile crypto wallet for Colombia’s underbanked, leveraging the unregulated market to simplify buying, storing, transferring, and managing cryptocurrencies, bridging fiat and crypto ecosystems with accessibility for all.
Developing the Scratch crypto wallet faced challenges in meeting stringent Apple and Google security requirements while ensuring seamless integration of seven diverse blockchain networks (Ethereum, BSC, Polygon, Base, Arbitrum, TRON, Solana) for future scalability. Colombia’s inconsistent internet infrastructure demanded robust caching and offline transaction solutions to maintain smooth functionality. Additionally, implementing top-tier security measures was critical to protect user assets in a high-risk environment without compromising usability.
The Scratch crypto wallet addressed stringent App Store and Google Play security requirements through enhanced encryption, secure APIs, and transparent data policies, while a modular architecture enabled seamless integration of seven blockchain networks (Ethereum, BSC, Polygon, Base, Arbitrum, TRON, Solana) with scalability for future EVM chains.
Advanced caching and offline transaction queuing ensured reliable performance despite Colombia’s inconsistent internet connectivity. Robust security measures, including end-to-end encryption, multi-factor authentication, and secure key storage, protected user assets while maintaining usability.
We have built Scratch, a pioneering mobile crypto wallet that is transforming access to the financial services for Colombia’s unbanked by providing an elegant, secure, and scalable platform that perfectly aligns with the client’s original vision created in Figma. Best-in-class protection safeguards customer assets, providing a diverse audience with a ground-breaking financial tool specifically designed for Colombia’s unregulated cryptocurrency landscape.
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