Here we learn how to build and deploy an erc20 in testnet.
git clone https://github.com/DavidRaigozaJ/pepematildaerc20
cd pepematildaerc20
yarn install
pepeMatilda deployed at 0xDE8fd1ba0c482672FB3D30429388F2c86F68C353
Successfully verified contract PepeMatilda on Etherscan. https://sepolia.etherscan.io/address/0xDE8fd1ba0c482672FB3D30429388F2c86F68C353#code