environment: 'staging', //optional, production by default
signMethod: 'POPUP', //optional, REDIRECT by default
bearerTokenProvider: () => 'obtained_bearer_token', //optional, default undefined
//optional: you can set an identity provider to be used when authenticating
secretType: 'ETHEREUM' //optional, ETHEREUM by default
Venly.createProviderEngine(options).then(provider => {
web3 = new Web3(provider);