I am using rinkeby network. I am try to save a information to rinkeby network.but a popup apera to sign or approve the transaction via uport. i have balance but i can't sign the transaction.

    .setSponsor("[email protected]",
      , function(error, transactionHash){

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1 Answer 1


I found my problem's solution.It was a bug for uport iphone app. if your iphone is not protected by passcode/pin/fingerprint then this problem occured in my case. I set a passcode for my iphone and then it is working well.

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