WAIaaS — Self-hosted Wallet-as-a-Service for AI Agents

# WAIaaS — Wallet-as-a-Service for AI Agents > Self-hosted local daemon that gives AI agents secure, policy-controlled access to crypto wallets. ## Overview WAIaaS is an open-source Wallet-as-a-Service daemon designed for AI agents. It runs locally on the user's machine and provides REST API, MCP (Model Context Protocol), and TypeScript SDK interfaces for wallet operations. ## Key Facts - **Type**: Self-hosted Node.js daemon (not a cloud service) - **Install**: `npm install -g @waiaas/cli` or Docker (`waiaas/daemon`) - **License**: Open source - **Chains**: EVM (Ethereum, Polygon, Arbitrum, Optimism, Base, Avalanche, BNB Chain, HyperEVM) + Solana - **Assets**: Native tokens, ERC-20, SPL tokens, NFTs (ERC-721, ERC-1155, Metaplex) ## Interfaces - **REST API**: OpenAPI-documented HTTP endpoints on localhost (default port 3100) - **MCP Server**: Built-in Model Context Protocol server for direct AI agent integration - **TypeScript SDK**: `@waiaas/sdk` for programmatic access - **Wallet SDK**: `@waiaas/wallet-sdk` for mobile/desktop wallet signing apps - **CLI**: `waiaas` command-line interface for setup and management - **Admin Web UI**: Browser-based dashboard at `/admin/` ## Security Model Three-layer security: 1. **Session Authentication**: JWT-based session tokens with configurable TTL 2. **Time Delay + Owner Approval**: Configurable delay periods and human-in-the-loop approval via WalletConnect, Telegram Bot, or Wallet SDK 3. **Monitoring + Kill Switch**: Transaction monitoring, spending limits, audit logs, and emergency kill switch Default-deny policy engine: tokens, contracts, and spenders must be explicitly whitelisted. ## DeFi Protocols (13+) - **Swap**: Jupiter (Solana), 0x (EVM), D'CENT Swap Aggregator - **Bridge**: LI.FI (cross-chain), Across Bridge - **Staking**: Lido (ETH), Jito (SOL) - **Lending**: Aave V3 (EVM), Kamino (Solana) - **Yield**: Pendle (EVM) - **Perpetuals**: Drift (Solana), Hyperliquid (HyperEVM) - **Prediction**: Polymarket (P