What is a Smart Contract ABI anyways? — A guide to understand client-blockchain communication

Ernesto Garcia N
9 min readAug 31, 2021
Simple Storage ABI

As you step into Smart Contract development for EVM-compatible chains such as Ethereum or Binance Smart Chain, one of the most difficult tasks to do is getting familiar with how things actually work, and while researching, one of the worst explained concepts and that carries a lot of questions are the Smart Contract’s ABIs.

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Ernesto Garcia N

Ethereum Developer @OpenZeppelin | Intern twice @Google | Blockchain Development Teacher @blockdemy and @platzi