NixWallet

Confidential crypto wallet powered by Fhenix FHE. Shield ERC-20 tokens, send privately, and manage encrypted balances on-chain.

NixWallet is a self-custodial Chrome extension wallet for confidential asset flows, powered by Fully Homomorphic Encryption (FHE) through the Fhenix coFHE network. CONFIDENTIAL TOKENS Wrap ERC-20 tokens into confidential FHERC20 variants (for example, USDC to cUSDC). Confidential balances and transfer amounts are handled as encrypted values on-chain, with user-controlled reveal/decrypt flows. SEND & RECEIVE Send and receive native ETH and ERC-20 tokens publicly, and execute confidential transfers for wrapped assets. FHERC20 WRAPPER REGISTRY Uses an on-chain factory/registry that deploys a confidential wrapper the first time a token is wrapped. After deployment, all users share that same wrapper for the token. BATCH CLAIM Supports claiming multiple pending unshield requests in one transaction to reduce operational overhead. MULTI-ACCOUNT HD WALLET Manage multiple BIP-44 derived accounts from one seed phrase, and import external private keys. Switch accounts quickly in-wallet. SECURITY AES-256-GCM encrypted vault with PBKDF2 key derivation (600,000 iterations) Configurable auto-lock timer (5, 10, or 30 minutes) Password-protected mnemonic reveal with auto-hide behavior Local-first architecture with no centralized wallet backend; data is stored in Chrome storage SIDE PANEL EXPERIENCE Runs in Chrome’s side panel for a persistent wallet experience while browsing dApps and websites. DAPP PROVIDER & APPROVALS Injects an EIP-1193/EIP-6963 compatible provider so dApps can connect and request signatures/transactions through NixWallet. Sensitive actions (connect, sign, typed data, send transaction, network switch) are approved inside NixWallet with unlock-gated confirmation. WALLETCONNECT SUPPORT Includes WalletConnect wallet-mode support for compatible dApp connection flows and session request handling. ACTIVITY TRACKING Activity history includes wallet-native transactions as well as injected dApp and WalletConnect transaction submissions. OPEN SOURCE NixWallet is fully open source: https://github.com/AshThunder/nixwallet NETWORKS Currently supports Ethereum Sepolia, Base Sepolia, and Arbitrum Sepolia testnets.