5. Wallet & dApp Integration

• Injected window.ethereum provider uses in-memory keystore only

• Supports EIP-1193, EIP-1102, EIP-1559, EIP-4337 (account abstraction bundles routed through relays)

• Solana provider exposes window.solana with Phantom-compatible API

• Drag-and-drop JSON keystore → parsed with ethers.js in WebAssembly → immediately shredded

• No localStorage, no IndexedDB, no Service Workers