WalletConnect is an open-source Web3 communication protocol that securely bridges crypto wallets and decentralized applications (dApps) using end-to-end encrypted connections. Supporting 500+ wallets and 5,000+ dApps — including MetaMask, Trust Wallet, and Coinbase Wallet — it enables seamless multi-chain interactions without exposing private keys. From QR code scanning to deep link connections, WalletConnect is the universal adapter powering the modern decentralized internet.