Contract troubleshooting if unable to verify source

What is an ERC20 token and how to identify them on Etherscan?

Transaction marked “Fail”. Why?

How to explore Ethereum addresses on Etherscan.io

What is a TxHash & how to check a TxHash

The ERC-20 Token Transfer might have Failed

The Blue Checkmark

How to Sign Message Using MyCrypto/ MyEtherWallet

How to sign up for Etherscan.io and create your Etherscan.io account

Transaction marked “Success”, but I can’t see my funds. Why?