# Phase 7, Milestone 3: Ecosystem

> Build ecosystem applications and integrations

**Status**: 🔄 In Progress
**Priority**: Medium
**Components**: Web wallet, Explorer, Documentation

---

## Overview

Develop ecosystem applications including wallet applications, block explorer frontend, API providers, and exchange integrations to support mainnet adoption.

---

## Tasks

### Task 3.1: Web Wallet
- [x] React + TypeScript foundation
- [x] BIP39 mnemonic support
- [x] Ed25519 signing (client-side)
- [x] AES-256-GCM encrypted storage
- [x] Transaction building/signing
- [x] JSON-RPC client
- [x] Zustand state management
- [ ] Dilithium3 WASM module
- [ ] QR code generation
- [ ] Hardware wallet support
- [ ] Multi-language support

**Files:**
- `apps/web/` (Complete foundation)

**Status:** 70% Complete

**Validation:**
```bash
cd apps/web
npm install
npm run dev
npm run test
npm run build
```

### Task 3.2: Desktop Wallet
- [ ] Tauri framework setup
- [ ] Native file system access
- [ ] System tray integration
- [ ] Auto-updates
- [ ] OS keychain integration

**Files:**
- `apps/desktop/` (Planned)

**Status:** Not Started

**Tech Stack:**
- Tauri (Rust + Web)
- Same React UI as web wallet
- Native crypto via Rust bindings

### Task 3.3: Mobile Wallet
- [ ] React Native setup
- [ ] Biometric authentication
- [ ] Push notifications
- [ ] Deep linking
- [ ] App store deployment

**Files:**
- `apps/mobile/` (Planned)

**Status:** Not Started

**Platforms:**
- iOS (App Store)
- Android (Play Store)

### Task 3.4: Block Explorer Frontend
- [x] Backend API (apps/explorer)
- [ ] React frontend
- [ ] Real-time updates (WebSocket)
- [ ] DAG visualization
- [ ] Address tracking
- [ ] Transaction search

**Files:**
- `apps/explorer-web/` (Planned)

**Status:** Backend 100%, Frontend 0%

**Features:**
| Feature | Priority | Status |
|---------|----------|--------|
| Block view | High | Pending |
| TX view | High | Pending |
| Address view | High | Pending |
| DAG viz | Medium | Pending |
| Search | High | Pending |
| Stats | Medium | Pending |

### Task 3.5: Developer Documentation
- [x] DEVELOPER_GUIDE.md
- [x] Host functions documentation
- [x] API reference (rustdoc)
- [ ] Tutorial series
- [ ] Video walkthroughs
- [ ] Example applications

**Files:**
- `docs/DEVELOPER_GUIDE.md` ✅
- `contracts/HOST_FUNCTIONS.md` ✅

**Status:** 60% Complete

### Task 3.6: API Providers
- [ ] Public RPC endpoints
- [ ] Rate limiting tiers
- [ ] API key management
- [ ] Usage analytics
- [ ] SLA documentation

**Planned Endpoints:**
| Tier | Rate Limit | Price |
|------|------------|-------|
| Free | 100 req/min | $0 |
| Developer | 1000 req/min | $49/mo |
| Enterprise | Unlimited | Custom |

### Task 3.7: Exchange Integrations
- [ ] Integration documentation
- [ ] Deposit/withdrawal APIs
- [ ] Confirmation requirements
- [ ] Test environment
- [ ] Listing applications

**Requirements for Exchanges:**
- 100 confirmations for deposits
- Hybrid signature support
- UTXO-based transaction model
- JSON-RPC API access

---

## Validation

### Validation Commands

```bash
# Web wallet
cd apps/web
npm test
npm run lint
npm run build

# Documentation
mdbook build docs/

# API testing
./scripts/test-public-api.sh
```

### Validation Agents

| Agent | Purpose |
|-------|---------|
| `code-reviewer` | Review wallet code |
| `frontend-design` | UI/UX review |
| `pr-test-analyzer` | Test coverage |

### Security Checklist

**Web Wallet:**
- [ ] CSP headers configured
- [ ] No XSS vulnerabilities
- [ ] Secure cookie settings
- [ ] HTTPS enforced
- [ ] Private key never transmitted

**API:**
- [ ] Rate limiting active
- [ ] Input validation
- [ ] Error messages safe
- [ ] Logging sanitized

---

## Progress Summary

| Component | Progress | Status |
|-----------|----------|--------|
| Web Wallet | 70% | Foundation complete |
| Desktop Wallet | 0% | Planned |
| Mobile Wallet | 0% | Planned |
| Explorer Frontend | 0% | Backend ready |
| Documentation | 60% | Guides complete |
| API Providers | 0% | Planned |
| Exchange Integration | 0% | Planned |

---

## Next Steps

1. **Immediate:** Complete web wallet Dilithium3 WASM
2. **Short-term:** Build explorer frontend
3. **Medium-term:** Desktop wallet with Tauri
4. **Long-term:** Mobile apps and exchange listings

---

## Acceptance Criteria

1. Web wallet fully functional
2. Explorer frontend live
3. Documentation complete
4. At least one API provider
5. Exchange integration documentation ready

---

*Started: January 2026*
*Target: Q3 2026*