Development of a Cross-Platform Non-Custodial Cryptocurrency and NFT Wallet System

Financial services

Identifying Challenges in Secure, Multi-Network Digital Asset Management

The client faces difficulties in providing users with an easy-to-use, non-custodial wallet that supports storing and managing cryptocurrencies, NFTs, and gaming assets across multiple blockchain networks such as Ethereum, BNB Chain, and Polygon. Current solutions lack comprehensive support for all NFT standards and integrate poorly with metaverse and gaming platforms, leading to fragmented user experiences and security concerns.

About the Client

A technology-focused startup specializing in digital asset management, aiming to provide users with a secure, user-friendly wallet supporting multiple blockchain networks, cryptocurrencies, and gaming assets.

Objectives for Developing a Secure, Multi-Chain Digital Wallet

Create a user-friendly non-custodial wallet supporting Ethereum, BNB Chain, and Polygon networks.
Implement comprehensive support for all major NFT standards (ERC721 and ERC1155).
Integrate metaverse and gaming assets within a single platform for seamless management.
Enable direct purchases of gaming NFTs through integrated marketplace features.
Deliver a scalable, secure, and performant application suitable for a broad user base.

Core Functionalities Required for a Multi-Asset Crypto Wallet

Multi-Chain Support: Enable users to store and manage tokens and assets on Ethereum, BNB Chain, and Polygon networks.
NFT Standards Compatibility: Support ERC721, ERC1155, and other collectible NFT standards.
Asset Portfolio Management: Provide a unified interface for managing cryptocurrencies, NFTs, and metaverse/game assets together.
Marketplace Integration: Facilitate purchases and sales of gaming NFTs directly within the wallet.
Secure Private Key Storage: Implement non-custodial key management ensuring user ownership and security.
Transaction Management: Enable sending, receiving, and viewing transaction histories for all supported assets.

Preferred Technologies and Architectural Approaches

Mobile development frameworks such as Flutter or React Native for cross-platform compatibility.

Blockchain SDKs supporting Ethereum, BNB Chain, and Polygon networks.

Security best practices for non-custodial wallets, including encryption and secure key storage.

RESTful APIs and possibly Web3 libraries for blockchain interactions.

External Systems and Platforms for Integration

Blockchain networks (Ethereum, BNB Chain, Polygon) for transaction processing.
NFT marketplaces and metaverse platforms for asset purchases and connectivity.
In-app purchase systems and payment gateways for NFT transactions.

Non-Functional Requirements for System Performance and Security

High scalability to support a growing user base.
Performance optimized for quick transaction processing and real-time asset updates.
Robust security measures for private key encryption, secure API calls, and compliance standards.
Availability of 99.9% uptime with disaster recovery protocols.

Projected Business Impact and Benefits of the Wallet System

The new multi-asset digital wallet is expected to improve user engagement by providing a unified platform for managing cryptocurrencies, NFTs, and metaverse assets. It aims to attract a larger user base, increase transaction volume, and facilitate direct in-wallet marketplace purchases, ultimately enhancing the client's market position and revenue streams.