First buy a vps from any provider At least 8/16 core CPU and 32GB of RAM. and then create account on alchmey and create an sepolia testnet Name: Set any random name (does not matter) Chain: Ethereum Network: Ethereum Sepolia And create the app. click on api key to copy and copy https and ws endpoint after that login to root server and paste the commands Now run these commands one by one:sudo apt update && apt upgrade -ysudo apt install pkg-config curl git-all build-essential libssl-dev libcla...