Web2 AuthorizationOAuthCredentialsUser name/ Email/ Phone Number/ etc. PasswordDisadvantagesToo many platforms & credentials Credential leakageAuthorization with Web3 walletintroduce web3 to web2LoginLogin with MetamaskConnect onlyCredentialsPublic Key/ Private KeyAdvantageOne credential for all platforms SecureDisadvantageDifficulty for the establish of web3 walletweb3authmake users use web3 as web2 applicationsweb3auth authCredentialsUser name/ Email/ Phone Number/ etc.PasswordAdvantagesOne...