# Fundamentals

Understanding the fundamental concepts of Arweave and the Permaweb is essential for building robust decentralized applications.

# Identity and authentication

• Wallets & Keys

# Transactions

• Transactions
  • Bundles
  • Transaction Tags
  • Manifests & Path Resolution

# Accessing Arweave Data

• Gateways
  • Data Retrieval Methods
  • Querying & GraphQL - How to find and retrieve data

# Decentralized Computing

• Decentralized Computing