Here's a short video showing a quick query of the mainnet $DAI smart contract's balanceOf mapping.

This video is part of a broader course curriculum of the Ethereum Developer Bootcamp in Alchemy University. For the full experience, please sign up today at university.alchemy.com

00:00 - Use cases of mappings
00:40 - balanceOf mapping in the DAI smart contract
01:24 - Reading from the DAI smart contract using Etherscan

#etherscan #ethereum #hardhat #smartcontracts