Subject
Blocks, hashes, nodes, consensus, mining, validation, and forks.
Curriculum node for What Is a Blockchain?. Full lesson content is created and versioned separately.
Topics & units
Each subject is divided into focused units so you can learn in order or jump directly to the area you want to study.
A standards-aligned, textbook-style lesson on Blocks with conceptual explanation, mechanisms, evidence, worked examples, misconceptions, applications, and guided practice.
A standards-aligned, textbook-style lesson on Cryptographic Hashes with conceptual explanation, mechanisms, evidence, worked examples, misconceptions, applications, and guided practice.
A standards-aligned, textbook-style lesson on Merkle Trees with conceptual explanation, mechanisms, evidence, worked examples, misconceptions, applications, and guided practice.
A standards-aligned, textbook-style lesson on Blockchain Nodes with conceptual explanation, mechanisms, evidence, worked examples, misconceptions, applications, and guided practice.
A standards-aligned, textbook-style lesson on Full vs Light Nodes with conceptual explanation, mechanisms, evidence, worked examples, misconceptions, applications, and guided practice.
A standards-aligned, textbook-style lesson on Consensus with conceptual explanation, mechanisms, evidence, worked examples, misconceptions, applications, and guided practice.
A standards-aligned, textbook-style lesson on Proof of Stake with conceptual explanation, mechanisms, evidence, worked examples, misconceptions, applications, and guided practice.
A standards-aligned, textbook-style lesson on Cryptocurrency Mining with conceptual explanation, mechanisms, evidence, worked examples, misconceptions, applications, and guided practice.
A standards-aligned, textbook-style lesson on Validators with conceptual explanation, mechanisms, evidence, worked examples, misconceptions, applications, and guided practice.
A standards-aligned, textbook-style lesson on Blockchain Forks with conceptual explanation, mechanisms, evidence, worked examples, misconceptions, applications, and guided practice.
A standards-aligned, textbook-style lesson on Distributed Systems with conceptual explanation, mechanisms, evidence, worked examples, misconceptions, applications, and guided practice.
A standards-aligned, textbook-style lesson on Byzantine Fault Tolerance with conceptual explanation, mechanisms, evidence, worked examples, misconceptions, applications, and guided practice.
A standards-aligned, textbook-style lesson on Sybil Resistance with conceptual explanation, mechanisms, evidence, worked examples, misconceptions, applications, and guided practice.
A standards-aligned, textbook-style lesson on Nakamoto Consensus with conceptual explanation, mechanisms, evidence, worked examples, misconceptions, applications, and guided practice.
A standards-aligned, textbook-style lesson on Blockchain Finality with conceptual explanation, mechanisms, evidence, worked examples, misconceptions, applications, and guided practice.
A standards-aligned, textbook-style lesson on Probabilistic vs Deterministic Finality with conceptual explanation, mechanisms, evidence, worked examples, misconceptions, applications, and guided practice.
A standards-aligned, textbook-style lesson on Fork Choice Rules with conceptual explanation, mechanisms, evidence, worked examples, misconceptions, applications, and guided practice.
A standards-aligned, textbook-style lesson on Data Availability with conceptual explanation, mechanisms, evidence, worked examples, misconceptions, applications, and guided practice.
A standards-aligned, textbook-style lesson on Sharding with conceptual explanation, mechanisms, evidence, worked examples, misconceptions, applications, and guided practice.
A standards-aligned, textbook-style lesson on Rollups with conceptual explanation, mechanisms, evidence, worked examples, misconceptions, applications, and guided practice.
A standards-aligned, textbook-style lesson on Optimistic Rollups with conceptual explanation, mechanisms, evidence, worked examples, misconceptions, applications, and guided practice.
A standards-aligned, textbook-style lesson on Zero-Knowledge Rollups with conceptual explanation, mechanisms, evidence, worked examples, misconceptions, applications, and guided practice.
A standards-aligned, textbook-style lesson on Modular Blockchains with conceptual explanation, mechanisms, evidence, worked examples, misconceptions, applications, and guided practice.
A standards-aligned, textbook-style lesson on Blockchain State with conceptual explanation, mechanisms, evidence, worked examples, misconceptions, applications, and guided practice.
A standards-aligned, textbook-style lesson on State Transitions with conceptual explanation, mechanisms, evidence, worked examples, misconceptions, applications, and guided practice.
A standards-aligned, textbook-style lesson on Smart Contract Execution with conceptual explanation, mechanisms, evidence, worked examples, misconceptions, applications, and guided practice.
A standards-aligned, textbook-style lesson on Virtual Machines with conceptual explanation, mechanisms, evidence, worked examples, misconceptions, applications, and guided practice.
A standards-aligned, textbook-style lesson on Parallel Transaction Execution with conceptual explanation, mechanisms, evidence, worked examples, misconceptions, applications, and guided practice.
A standards-aligned, textbook-style lesson on Solana Sealevel Runtime with conceptual explanation, mechanisms, evidence, worked examples, misconceptions, applications, and guided practice.
A standards-aligned, textbook-style lesson on Ethereum State Trie with conceptual explanation, mechanisms, evidence, worked examples, misconceptions, applications, and guided practice.
A standards-aligned, textbook-style lesson on Block Propagation with conceptual explanation, mechanisms, evidence, worked examples, misconceptions, applications, and guided practice.
A standards-aligned, textbook-style lesson on Peer-to-Peer Networking with conceptual explanation, mechanisms, evidence, worked examples, misconceptions, applications, and guided practice.
A standards-aligned, textbook-style lesson on Gossip Protocols with conceptual explanation, mechanisms, evidence, worked examples, misconceptions, applications, and guided practice.
A standards-aligned, textbook-style lesson on Mempools Across Chains with conceptual explanation, mechanisms, evidence, worked examples, misconceptions, applications, and guided practice.
A standards-aligned, textbook-style lesson on Blockchain Interoperability with conceptual explanation, mechanisms, evidence, worked examples, misconceptions, applications, and guided practice.