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Questions tagged [identity]

The tag has no usage guidance.

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Decentralized OAuth 3.0 (DApp for Open Authorization)

as part of Decentralized OAuth 3.0 (DApp for Open Authorization), I am thinking of extending my current decentralized identity app (DApp) to serve as an Authorization Server for other Decentralized ...
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2answers
40 views

Best way to create identity contracts for organisations

What is the best way to create identity contracts for organisations based on their information like name, address, organisation type(buyer/seller) etc. I have tried using factory pattern to create ...
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Using traditional identities on a private Ethereum blockchain & wallet-less usage

I am trying to integrate a DApp (typical solidity, web3.js setup) running on a private Ethereum blockchain with a traditional enterprise user directory (let's say Azure AD). The idea would be : at ...
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0answers
21 views

Ethereum fork with Ring Signature at the core layer

Today we can have Ring Signature at the contract-level. https://github.com/HarryR/solcrypto/blob/master/contracts/UAOSRing.sol I wanted to know if there is any fork or project that would like to ...
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1answer
153 views

Undeclared identifier

pragma solidity ^ "0.4.24"; contract Origin { struct OriginInfo { string airportName; uint32 checkInTime; //In timestamp uint8 bagWeight; address clientAddress; bool itsHere; } ...
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1answer
32 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 ...
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3answers
171 views

Is there anything that is equivalent of Hyperledger Fabric's Membership Service Provider in Ethereum?

Is there anything that is equivalent of Hyperledger Fabric's Membership Service Provider in Ethereum? The power of an MSP goes beyond simply listing who is a network participant or member of a ...
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2answers
515 views

ERC725 with ERC735 - Identity and Claims

How does ERC725 (Identity) and ERC735 (Claims) work together to enable a decentralized identity?
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1answer
117 views

Deploying ERC 725 (Blockchain Identity IDs) on Quorum?

I refer to ERC 725 -- Blockchain for Identity. From a smart contract code angle, it looks to be just another smart contract that I deploy onto the blockchain. Am wondering if Quorum can be used to ...
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54 views

Smart Contract for Decentralized Identities (DIDs), decentralized public key infrastructure (DPKI) and shards of one private key and/or password

I am trying to develop a Smart Contract to store Decentralized Identities (DIDs), build a decentralized public key infrastructure (DPKI) and shards of one private key and/or password. Idea is to have ...
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39 views

Ethereum Name Service vs Identity Based Encryption

Instead of using ENS which has a few advantages in terms of auction structure, forced expiration and transferability, could Identity Based Encryption be utilised to the same effect (considering the ...
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1answer
86 views

Creating decentralized identity

I did read some questions like How does Ethereum enable self sovereign identity? but I was wondering if someone could advise me how to get started with the technical aspects of creating a ...
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1answer
2k views

Identify crypto from a given wallet address?

While relevant to ETH and all of its supported tokens. I am wondering if there is a regex or service available to return a cryptocurrency from a given address. ...
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1answer
3k views

How are transaction hashes generated

I am trying to find out if each transaction hash created by a wallet has some similarity or if every hash is "random". I suppose my original question leads into whether or not a transaction hash be ...
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0answers
136 views

Identity valuation using smart contracts

Hi I'm currently exploring whether it makes sense to build a platform which would use a blockchain to verify a user and the data that they would add to the platform. Very simple example would be ...
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2answers
163 views

Verifying the authenticity of a customer

One of the strengths of blockchain, and specificallly, Ethereum, is the ability to have a complete record of customer orders from customer setup (for new customers) to customer delivery of goods. I ...
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1answer
1k views

Ethereum JavaScript console account authentication error

I am trying to run my first contract, but I am getting this error when using my dev testnet account. Error: authentication needed: password or unlock undefined I am using geth to run JS console ...
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1answer
852 views

How Self Sovereign Identity works in Blockchain?

Today i have read about Self Sovereign Identity. It has 10 principle to hold the individuals identity. Really it is such a nice concept. When in near future it is fully implemented it will solve lots ...
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0answers
310 views

To varify documents, how documents attached and who will verify and if miners how will they verify?

I need a help to develop a function to check the customer's eligibility /proof of identity. For example I am very very rich people (Practically NOT). Now i have decided to buy a big house in Las ...
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4answers
707 views

“SSO-style” Login into app with web3.eth.accounts[0]

On top of the data exchanged through the Ethereum network, my app stores some extra user data in a classic DB (E.g. thumbnails, display preferences, newsletter management etc.). Doing that has led ...
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1answer
558 views

How blockstack implements identity management?

Reading https://blockstack.org/posts/blockchain-identity it states Blockstack is the largest, most popular blockchain identity system, with 50,000 registered identities. but reading the available ...
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1answer
1k views

Ethereum Authentication/Authorization

Lately I've been thinking about how to integrate Ethereum with other non-Ethereum systems. Would it be a bad idea to import and Ethereum keypair into an external (mobile/desktop) application, which ...
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3answers
620 views

How to force one person to only vote once?

Using DAOs, today we have The DAO that aims to be an autonomous company management system. It's ruled by the fact that the more parts of the company you own, the more voting power you own. As this is ...
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1answer
274 views

How does Ethereum enable self sovereign identity?

If everything on the Ethereum blockchain is public, then why is it apparently so useful for managing identity? From what I gather this has something to do with IPFS, but how does it all work? How do ...