3

When fingers glide across the phone screen, scanning the Uniswap QR code in Trust Wallet, a silent technological revolution has already been completed. This is not a simple login action, but a secure channel established through the WalletConnect protocol — your private key remains securely locked locally, and the dApp only gains temporary signing permissions. This 'touch the key, not the key' design has become the trust cornerstone for the interaction of 48 million monthly active wallets with over 6,000 dApps, safeguarding over 300 million value transfers.

History of connection evolution: from scanning tools to protocol layer overlords

The V1 version born in 2018 was merely a 'temporary bridge' to solve communication between wallets and dApps, while the V2 protocol launched in 2023 has transformed into the nervous system of Web3: