2.2 Why the EVM is important to Web3

All the ways the industry is using, adopting, and extending the EVM.

4.3 The CALL opcode

The foundation of contract-to-contract communication.

4.4 CALL vs STATICCALL vs DELEGATECALL

Similar functionality, more secure.

4.5 Built-in EVM Functions

Contract functions that were baked into the chain.

5.1 How Contract Deployment Works

The somewhat unintuitive way the EVM handles contract deployments.

5.2 Deploying via an EOA Transaction

How the ecosystem of smart contracts began.

5.3 Deploying via the CREATE Opcode

Contracts deploying contracts.

5.4 CREATE vs CREATE2

The advantages and security implications of the newer EVM opcode.

5.5 Deployment Through a Multisig

An advanced way to deploy contracts, with some Solidity-specific details.

6.3 ABI Encoding for Common Types

Learn to see the Matrix.

6.4 ABI Encoding in Solidity

How the popular language uses ABIs behind the scenes.

6.5 Decoding Function Calls in Opcodes

Demystify them at the lowest level.

7.1 The Simplest Smart Contract

Look ma, no solidity!

7.2 The Greeter Contract

A reimplementation of the classic generated contract.

7.3 Internal Function Calls

How internal function calls are implemented in Solidity.

8.1 How Solidity Storage Slots Work

Learn how Solidity chooses storage keys and compacts storage data.

8.2 How Solidity Implements Mappings

Why you can't iterate a mapping's keys.

8.3 How Solidity Implements Strings and Bytes

How strings vary in number of words required.

8.4 How Solidity Implements Arrays

How dynamic arrays can exist in storage.

8.5 How Solidity Manages Memory

Interesting facts about Solidity's memory management.