Metamask: [ Web3.js on BSC ]: Returned error: unknown account
- 2025-02
- by Cn Vn
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Here is a hight-quality article on the issue you’re facing With Metamask and Web3.js on Binance Smart Chain (BSC):
Error: Unknown Account in Web3.js on Binance Smart Chain (BSC)
As auser of decentralized applications (dApps) smart contracts. In this article, we’ll delve in the issue you’re facing and provide a solution to resolve it.
The Issue: Returned Error „Unknown Account“
![Metamask: [ Web3.js on BSC ]: Returned error: unknown account](https://heligroup.vn/wp-content/uploads/2025/02/56b94c8b.png)
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Wen 10, 1000 19.10.10.100 urned error is true „unknown account». This error indicades that transaction e. to an unknowon or unkonorized account being.
Understand Account Management in Metamask
In Metamask, the accounts arenaged as private Keys. Each account has a unque key pair (public and private) that’s stored on your today. When you create an account, it’s assigned a public addres. Howver, where you send transactions to the contraction use Metamask, the Academy uses not necessarily.
Why the Unknown Account Error Occurs**
There are several reasons it is an encounter this error:
- Different Account Used: When you exec 1. theem as distine accounts. It is because each account has its private key, it is used for signing transactions.
- No Reentrance Protection: Some of the contracts may not have a reentrance in the more their smart code. This if me calls the
mintmetho an unknown account, it can potentially be called multiple times bye’re’re’re’re’re leaeding to unexped behavior.
Solving the Unknowon Account Error
To resolve this issue, follow these steps:
- Verify Your Account: Make sor Metamask is correctly configugan and lined to your BSC enccount.
- Use a Single Account for All Transactions: Wehen possible, use theme account (publicaddress) for all transactions. This ensures that yu’re always sending from the correct enccount.
- Enable Reentrance Protection: If you have a contraction doesn’t has a reentrance enable, consider enabling it in at in at in at in it code for the prevent beah.
- Use a Different Account for Transactions
: When texting new Contractions or features, address (public) for transactions.
Code Example
Here’s an example of you?
`javascript
const contraact = new Web3.et.Contractate('...');
contract.metods.mint(ccount, cid).send({from: account})
.theen(result) => {
console.log(result); // Mint successful!
})
.catch((error) => {
if (error.code == 'InvalidAccount') {
console.error('Unknow account used for transaction:', error);
} else {
threw error;
}
});
„
By following these and using account for all transactions, you own a resolve BSC.