Tag: Ethereum Blockchain
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 …
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 …
The simplest method/function to retrieve the latest block number on ETH aka Ethereum Blockchain is via the following method: const Web3 = require('web3'); const getBlockNumber = async() => { …
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 …