Ethereum Protocol 101 by Mario Havel

​Course 5/7: Specs, Testing & Core Development Process.

​Ethereum is not “just code.” It’s a living protocol defined by specifications, research, and coordination.

​This session covers:

• ​How protocol specs are written

• ​Consensus vs Execution specs

• ​How changes are proposed and reviewed

• ​The All Core Devs (ACD) process

• ​Testing & security at the protocol level

​We’ll discuss:

• ​Why multiple clients matter

• ​How consensus bugs are prevented

• ​The importance of formal specs

• ​How to follow and participate in core discussions

​If your goal is to move from learner to contributor, understanding the development process is mandatory.