All Questions
Tagged with authentication web3js
9 questions
1
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1
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571
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backend based signature verification
I'm new in web3 and I'm trying to develop a way to authenticate users in my dapp. I'm used to using the old and safe method with email + password to do that, but recently I realised that I could use ...
1
vote
1
answer
2k
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how I can sign message using web3js?
I know that I can sign a message using web3js, but I don't know how I can do that, then how to verify that signature using ecrecover()?
0
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1
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754
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Infura with JWT authentication
I am using wallet connect an Open protocol for connecting Wallets to Dapps with web3 modal sdk . the wallet connect requires an infura key. Since the wallet connect is executed on the borwser it ...
0
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2
answers
277
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Unable to install web3.js into my system(WINDOWS 10)
**CMD show this error message **
Geth and python is installed.
0
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0
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276
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Getting empty object in web3js
I have a user registeration logic defined in solidity which used to work fine when I set an registeration fees of 0.5 ETH for testing purpose.But now, when I remove the register fees, I'm not able to ...
0
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1
answer
1k
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ERC20 Anyone can call approve if knows ABI on contract and my address?
I think I misunderstand something. I'm using a Ganache for developing dApp. I built a default ERC-20 smart-contract. I've built it with truffle. And just for test I write some code in NodeJS:
...
2
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0
answers
72
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Authenticating accounts in Ethereum using web3js
Is a there a way to authenticate accounts in Ethereum using Web3js? Or if there are any other ways to authenticate accounts?
We are building an application where users can register in our system. ...
1
vote
2
answers
787
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Authenticate transaction in Web3.js application with password
I have a simple web3.js based app and like to call a method from an contract.
For this method an authenticaten is needed. I found some examples in the web using web3.eth.accounts.signTransaction
But ...
8
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1
answer
2k
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Authentication using ethereum account
Trying to figure out a way to Authenticate users them having an ethereum account.
New to ethereum and cryptography in general and my thought may not be adequate.
In essence I am thinking to be able ...