Blockchain Concepts

How to use this repository

The numbered folders inside each section show a recommended learning order. Start at 01 within a section, then continue in ascending order. The nine top-level sections are also numbered to show the broader path.

Contents

01 · Blockchain foundations

• 01 · What Is a Blockchain?
• 02 · Distributed Ledger Technology (DLT)
• 03 · Blockchain Nodes
• 04 · Blockchain Layers
• 05 · Blockchain Triangle: Features and Trade-offs
• 06 · Smart Contracts

02 · Cryptography and data structures

• 01 · Hash Functions
• 02 · Keccak-256
• 03 · ECDSA
• 04 · Merkle Trees

03 · Ethereum execution

• 01 · Ethereum Virtual Machine (EVM)
• 02 · Ethereum Accounts
  • Multisig Contracts: Owners, Thresholds, Signatures, and Security
• 03 · Transactions
• 04 · EVM Architecture
• 05 · Bytecode and Opcodes: Reading the EVM's Instructions

04 · Ethereum state and data structures

• 01 · Merkle Patricia Trie

05 · Consensus and protocol upgrades

• 01 · Consensus Mechanism (Proof of Work) — PoW
• 02 · Consensus Mechanism (Proof of Stake) — PoS
• 03 · Beacon Chain
• 04 · Hard Forks and Soft Forks
• 05 · EIP-1559
• 06 · EIP-4844
• 07 · Blobs

06 · Tokens and standards

• 01 · Tokens and Ethereum Standards

07 · Scaling

• 01 · Layer 2
• 02 · Data Availability
• 03 · Rollups

08 · Oracles and interoperability

• 01 · Oracles and Chainlink

09 · Decentralized storage and off-chain data

• 01 · Decentralized Storage: IPFS, Filecoin, and the Data Layer of Web3