[EPIC] RC2: Wallet & Security Infrastructure

[Steake]

Epic Goal: Production-grade wallet security and authentication.

Scope: Hardware wallet integration (Ledger/Trezor), HSM providers (Vault/AWS/Azure), admin authentication, mobile SDK.

Success Criteria:

• ✅ Hardware wallets sign transactions on-device
• ✅ HSM key management operational
• ✅ Admin console secured with JWT/RBAC
• ✅ Mobile SDK supports iOS/Android

Dependencies: Requires RC1 wallet foundation

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📋 Sub-Issues

• Build Mobile Wallet SDK (iOS/Android) #58
• Testing and QA for BitCell Wallet #8
• Evaluate Requirements for BitCell Wallet are met #6