# Security Model

#### Authentication & Authorization

**Privy Integration**

* Unified Web2 (email) + Web3 (wallet) authentication
* OAuth support: Google, Discord, GitHub
* Session management with secure tokens

**Wallet Authentication**

* WalletConnect/AppKit integration
* MetaMask, Phantom, Solflare support
* Chainless wallet connection

***

#### **Data Protection**

| Layer     | Protection                          |
| --------- | ----------------------------------- |
| Transport | TLS 1.3 (HTTPS everywhere)          |
| Storage   | AES-256 encryption for credentials  |
| Secrets   | Encrypted in database, never logged |

***

#### Input Validation

* JSON Schema validation via AJV for all inputs
* SSRF protection with URL allowlists
* Path traversal prevention
* File type validation (MIME checking)

***

#### **Rate Limiting**

| Limit           | Default        |
| --------------- | -------------- |
| Requests/second | 30 per user    |
| File upload     | 200MB per file |
| Request body    | 250MB maximum  |

***

#### Sandbox Security

* WebContainer isolation for code execution
* No access to host filesystem
* Network request filtering
* Resource limits enforced


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