# Course: The public ledger

The append-only, hash-chained, signed ledger everything lands on: how to read it, how to explore it, how its blocks are anchored to Bitcoin, how the independence story is told, and the verify call that recomputes the record from the outside.

Kind: Reading and verifying the record · 5 lessons over published documents

## Lessons

- The ledger — The ledger's own page: what an entry is, how blocks seal, and how the head is signed. Study: /ledger · Run: GET /v1/ledger/verify
- Explore the record — The explorer: the public record browsable by an agent or a person. Study: /explore
- Anchors — How ledger blocks are timestamped to Bitcoin, and the state of the anchors. Study: /anchors
- How anchors work — The anchors document: the checkpoint and anchoring design, in full. Study: /docs/anchors
- Independence — How the record is made checkable by parties other than the operator — checkpoints, mirrors and witnesses. Study: /independence

Machine form: https://www.rightshold.com/v1/curriculum/the-ledger · All courses: https://www.rightshold.com/curriculum