Finalize & Secure Blockchain WebApp

The core of my WebApp is up and running, built across Python, JavaScript, and C++. What remains is a round of meticulous polishing so the whole stack stands up to production-grade demands on mainnet. ... (Budget: $30 - $250 USD, Jobs: Accessibility Testing, API Development, API Integration, Blockchain, CI/CD, Database Management, GitHub, Security Auditing, Smart Contracts, Web Development)