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Results tagged with ecrecover
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user 82922
Questions about EcRecover, a function of the programming language Solidity to verify a signature on the blockchain
4
votes
Accepted
How do you verify a Metamask signature on the server side?
Here is what worked for me:
You will need a Web3 provider, for example:
w3 = Web3(Web3.HTTPProvider('https://mainnet.infura.io/v3/api_key')
You can recover the address using the message and signature …
- 125
5
votes
1
answer
8k
views
How do you verify a Metamask signature on the server side?
I want my server to be able to authenticate a user based on whether or not they have the private key to their wallet. I am using web3.js in my front end, and web3.py in my backend.
The scenario will b …
- 125
2
votes
1
answer
2k
views
How to recover public key using ecRecover in Python?
I am able to use ecRecover to verify the signer in Javascript, for example:
const ecRecoverAddr = await window.ethereum.request({
method: "personal_ecRecover",
params: [message, signedMessage], … Is there a way to retrieve the public key using ecRecover without the use of a provider?
Shouldn't it just be a method that can run without any connections?
Thanks! …
- 125