Tutorial: Merkle Trees and the IPFS DAG

Concepts

These Lessons introduce the following concepts:

• Cryptographic Hashes and Content Addressability

• Authenticated Graphs

• Turning Files into Trees

• Turning any Data into Trees

• Publishing hashes on the DHT

• Getting data from the Peer to Peer Network

Prerequisites

Lessons

1. Lesson: Turn a File into a Tree of Hashes

2. Lesson: The Cryptographic Hash

3. Lesson: Build a Tree of Data in IPFS Using Cryptographic Hashes to Link the Pieces (a Merkle DAG)