[Grant Application] create-zcash-app: Zero-to-Shielded Browser Scaffolder & Developer Toolkit

GitHub / @Symplyken on Forum) License : MIT (100% Permissive Open Source) Total Grant Request : $10,000 USD (Disbursed in ZEC across 3 milestones) Duration : 8 Weeks 1. Executive Summary & Problem Building privacy-preserving client-side web applications on Zcash is historically fraught with friction for frontend and TypeScript developers. Without deep protocol engineering expertise, over 95% of web developers abandon Zcash integration due to three structural barriers: The WASM & Multi-Threading Isolation Wall : Halo 2 client-side proving requires Web Workers and SharedArrayBuffer . Modern browsers crash or disable multi-threading unless strict HTTP headers ( Cross-Origin-Opener-Policy: same-origin and Cross-Origin-Embedder-Policy: require-corp ) are configured properly. The Historical Scan Trap : Naive client setups attempt to scan from genesis or older blocks, locking IndexedDB and the main UI thread in a 30+ minute loop before a developer can