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Questions tagged [uport]

The tag has no usage guidance.

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0answers
8 views

react-uport truffleBox not showing the QR for login?

After copy and paste the code given while creating an app in app-manager in uport.appmanager.me const uport = new Connect("Auction Protocol ", { clientId: "****", network: "rinkeby", signer: ...
1
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1answer
22 views

Can't approve a transaction via uport though i have balance.what is the reason?

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. ...
0
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1answer
37 views

Is there a boilerplate dApp on Github which uses uPort, truffle and infura on the ropsten testnet?

I am developing a dApp using those technologies and facing difficult problems when trying to save information on Ropsten. I can't approve my transaction via uPort because the selected account balance ...
3
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0answers
31 views

Signing a transaction with uport can't approve as the selected account can't change.How can i change in uport selected account?

I am developing a dapp with uport verifications but when I go for saving information into ropsten network, a uport signing transaction appears on my screen and I can't approved the transaction. I ...
3
votes
2answers
68 views

Is web3.js an Ethereum blockchain client?

Reason is that I wanted to know what Ethereum blockchain client uPort uses and someone said it's web3.js. I haven't understood this concept enough since I was expecting something like eth, geth or ...
0
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1answer
29 views

Is there a more “decentralized” way to verify an Ethereum account owns a particular Twitter handle?

Is this something fulfilled by a project like uPort? Basically, I need a way in my contracts to verify that a particular Ethereum address (0xasdf...) and a particular Twitter handle (@user) are ...
1
vote
1answer
72 views

Concept of Decentralized Identity

Current digital identities, such as passports, rely mainly on a centralized process that involves a personal claim (individual assertion) backed up by a proof (a valid document) which is then ...
2
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1answer
200 views

Uport for private blockchain network

Can I use uport for authenticating users in a private blockchain network ? If yes, Are there any tutorials or implementations available for the same ?
2
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1answer
156 views

How do I get access to uPort from a mobile Browser

I've developed a simple DApp that uses uPort and it works fine on Desktop - where I can login through uPort with the QR Code. On a mobile browser (Anrdoid Chrome) I'm auto directed to uPort where it ...
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0answers
91 views

Private BlockChain - Cons?

Plan to implement private chain based on PoA to overcome transaction speed and privacy issue. Q1. what is the expected TPS? any advice to increase it? Q2. Understand that we can still leverage tools ...
2
votes
1answer
136 views

Read uPort Persona from Registry

I'm trying to read a profile via uport-persona. In doc it sounds easy but I can't access to my persona. export function loginUser() { return function(dispatch) { web3.eth.getCoinbase(function (...
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0answers
196 views

How uPort show QrCode

From this example the QrCode that let a connection to uPort pop up from this block of code: <div id='connect'> <button className='btn bigger' onClick={this.connect} type='submit'>Connect ...
2
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0answers
294 views

Different uPort provider

I'm trying to integrate uPort in one of my project and, the first thing that I noticed are the different ways to give a provider: from the official repository uPort-lib let web3 = uport.getWeb3() ...
4
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1answer
136 views

Where find Uport mobile web app

some one knows where I can find the Uport mobile App. I only find this link https://uport.me/devbeta, but It seem no longer be active. Tks.
3
votes
1answer
445 views

Why keep a private key in uPort?

Reading the uport whitepaper https://uport.me/library/pdf/whitepaper.pdf : The purpose of having a Proxy contract as the core identifier is defined as : The purpose of having a Proxy contract as ...
5
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3answers
4k views

Build an application with Truffle + React + Redux

I'm looking for some examples about how to build a Dapp with Truffle + React + Redux. I'm able to only find this old tutorial https://www.youtube.com/watch?v=GPP6uAq15d8. Does anyone have some other ...