On this week we're going to implement functions that can be called by any ethereum account or smart contract. Is important to understand how function call work under the hood to be able to write better and safer smart contract, optimize, and integrate with any tooling available today. Additionally, this way we can prepare for future updates where EVM get's improved. We are...

This week, we're going a level deeper: Opcodes.What is an Opcode?An opcode (short for operation code) is a single instruction that tells the EVM what to do. Think of it like a Lego block: each opcode does one very specific thing...