Part 3 · Module 27

Merkle trees and content addressing

Hash trees that let systems verify data and find differences cheaply: proofs of inclusion, replica repair, file sync, and content-addressed storage in Git and artifact stores.

Start

0 of 3 lessons20 min

27.1Merkle treesUp next7m
27.2Anti-entropy and content addressing7m
27.3Hash chains and tamper-evident logs6m
LabWhich rows differ between replicas?Finish “An engine for rider pings” first30m

Practice what this module teaches

Multi-device File Sync HLDSynchronize immutable file versions with cursors, tombstones and explicit conflicts.Advanced55 min Cross-region Object Replication HLDReplicate immutable object generations with checksums, delete markers and fenced failover.Advanced60 min Peer-assisted Content Distribution

3day streak