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Fundamentals

The building blocks of blockchain and Web3 technology. Start here to understand the core concepts that underpin the entire ecosystem.

Sections

  • Core Concepts — Blockchain basics, wallets, keys, tokens, and essential terminology
  • Consensus Mechanisms — PoW, PoS, DPoS, PBFT, DAG, and other consensus algorithms
  • Node Services — Alchemy, Infura, QuickNode, and other infrastructure providers
  • Scaling — Layer 2 solutions, rollups, sidechains, and state channels
  • DApp Development — Building decentralized applications
  • Use Cases — GameFi, SocialFi, and real-world blockchain applications