w3pk Playground

Passwordless Ethereum wallets secured by biometric authentication and client-side encryption.

• Live playground
• w3pk SDK repo
• Stealth Gov (example voting app)

The w3pk SDK includes the following features:

• 🔐 Passwordless authentication (WebAuthn/FIDO2)
• 🔒 Client-only biometric-gated wallet encryption (AES-GCM-256)
• ⏱️ Session management (configurable duration, prevents repeated prompts)
• 🌱 HD wallet generation (BIP39/BIP44)
• 🔢 Multi-address derivation
• 🥷 ERC-5564 stealth addresses (privacy-preserving transactions with view tags)
• 🧮 ZK primitives (zero-knowledge proof generation and verification)
• 🔗 Chainlist support (2390+ networks, auto-filtered RPC endpoints)
• ⚡ EIP-7702 network detection (329+ supported networks)
• 🛡️ Three-layer backup & recovery system
  • Passkey auto-sync (iCloud/Google/Microsoft)
  • Encrypted backups (ZIP/QR with password protection)
  • Social recovery (Shamir Secret Sharing)

Install

pnpm i

Run

Create a .env file:

cp .env.template .env

Then:

pnpm dev

Build

pnpm build

Documentation References

• React 19 - Latest React features
• Next.js 16.0.0 - React framework
• Chakra UI v2 - UI component library
• Ethers.js v6 - Ethereum library
• w3pk v0.6.0 - w3pk SDK

Support

You can reach out to Julien on Farcaster, Element, Status, Telegram, Twitter, Discord, or LinkedIn.