Grant Application - Kestrel: Native Mobile WalletConnect for Zcash

GitHub application: Grant Application - {Application Name} · Issue #532 · ZcashCommunityGrants/zcashcommunitygrants · GitHub Funding requested: $20,000 ($3,000 startup + three milestones) Timeline: 12 weeks License: MIT This replaces our earlier application, Kestrel + ZecAuth (#421) , which was declined in September. The scope has changed substantially, as explained below. Overview Kestrel is an open-source, self-custodial Zcash wallet for iOS and Android. It will be the first native mobile implementation of the shared Zcash WalletConnect standard that @noir_wallet published under grant #391 . Alongside the wallet, we will release a reusable wallet-side module and an integration guide so other mobile Zcash wallets can add WalletConnect without building it from scratch. The problem Zcash mobile users can’t use WalletConnect. A shared Zcash WalletConnect spec now exists, and Noir is implementing it in a browser wallet. But no mobile wallet offers WalletConnect for Zcash today. We checked the source of