# 📚 Learn

Understand something before you act. Start with plain-language explanations of how onchain systems work.

## Start here

- [What happens when you send a transaction?](./transactions/en.md) — follow a transaction from your wallet to a block.

## Add an explanation

Copy `transactions/en.md`, keep one clear question in mind, and give your page a new stable ID. A useful explanation includes a mental model, a concrete example, and a way to check understanding. See [Contributing](../CONTRIBUTING.md).