Multi-Chain Wallet Development Guide: Architecture, Technology Stack, Cost & MVP to Enterprise Timeline
Key Takeaways Multi-chain wallets have become the standard for Web3, enabling users to manage assets across multiple blockchains through a unified interface while abstracting network complexity. Security architecture is the foundation of successful wallet development, with custody models, MPC key management, secure key storage, and comprehensive audits playing a critical role in protecting digital assets. Development costs range from the low-to-mid five figures for an MVP to well into six figures for enterprise-grade wallets, with chain support, DeFi integrations, custody requirements, and audit scope driving the budget. A phased roadmap: from a 3–5 chain MVP to a fully featured enterprise wallet with 15+ chains, MPC, and compliance capabilities, offers the…