https://dev.to/richardmelko/ethereum-dapp-crash-course-make-an-erc20-token-faucet-frontend-2m43
https://hackernoon.com/build-your-own-ethereum-transaction-app-with-react-and-solidity-part-1
https://hackernoon.com/how-to-build-an-ethereum-transaction-app-with-react-and-solidity-part-2
https://cryptomarketpool.com/how-to-create-a-bitcoin-vending-machine/
https://forum.openzeppelin.com/t/how-to-add-erc20-token-icon-to-etherscan/3491
https://cryptomarketpool.com/how-to-add-an-image-logo-to-your-crypto-token/