Tag: Ethereum
The error “Returned error: replacement transaction underpriced” typically occurs in the context of Ethereum Blockchain transactions, especially when you’re trying to replace or overwrite a transaction that’s already pending …
To send ETH using NodeJS, you can utilize the web3.js library. Here’s a basic example that demonstrates how to send ETH from one account to another: First, make sure …
You can retrieve the balance of an Ethereum address using libraries like web3.js or ethers.js. Check the Balance of a Ethereum Wallet Address Using web3.js First, ensure you have …
A Valid Ethereum Wallet Address Starts with “0x” and is 42 characters long. To check if a given string is a valid Ethereum address, you would typically: Check if …
On Ethereum Blockchain, we need to pay the miner Gas Fee to perform some operations, for example, invoking Smart Contract, or simply transfering ETH. The Gas Fee equals to …