Wallet Overview
BlockVault is a self-custody wallet — your keys, your crypto. No custodians, no servers holding your funds.
Core Features
| Feature | Description |
|---|---|
| Security | Defense-in-depth encryption, hardware-backed storage, biometric auth |
| Key Management | HD wallet derivation, mnemonic encryption, multi-wallet support |
| Supported Blockchains | 12 mainnet blockchains across 4 architecture families |
| AI Assistant | On-device Gemma 3 1B with ReAct tool-calling agent |
| Web3 dApp Browser | Multi-chain provider injection for EVM, Solana, and Cosmos dApps |
Design Principles
- Private keys never leave the device — derived on demand, discarded after signing
- Double encryption — app-level AES-256-GCM + hardware-backed storage (TEE / Secure Enclave)
- On-device AI — no data sent to external servers
- Multi-chain — one mnemonic, all networks