DevTechnosys’s guide “Develop a crypto wallet app like MetaMask” details the essential steps to build a secure, user-friendly crypto wallet. It covers market insights—highlighting a $59 billion crypto‑wallet industry today—explains MetaMask’s appeal through intuitive design, robust security, and deep dApp integration. The article breaks down 7 key phases: research and planning, blockchain selection, UI/UX design, core feature development (wallet setup, key encryption, token swaps), security implementation, testing, and maintenance. It outlines must‑have capabilities—multi‑platform support, private‑key handling, token swapping, phishing protection—and estimates development costs ranging from $8,000 to $25,000 based on complexity.