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DApp Architecture

DApp Architecture

DApp (Decentralized Application) architecture refers to the technical architecture design of decentralized applications on Solana.

Typical Architecture

Frontend - React/Next.js - Wallet Adapter - web3.js

Smart Contracts (On-chain) - Rust/Anchor programs - State storage - Business logic

Backend (Off-chain) - Data indexing (Geyser) - API services - Caching layer

Infrastructure - RPC nodes (Helius) - IPFS/Arweave (storage) - CDN

Design Principles

Minimize On-chain Logic Only place essential logic on-chain to reduce costs.

Off-chain Computation Perform complex computations off-chain, verify on-chain.

Data Availability Provide fast queries through indexing services.

Security Considerations

  • Frontend validation + on-chain validation
  • Private key local storage
  • Transaction simulation
  • Error handling

Performance Optimization

  • Cache frequently used data
  • Batch queries
  • Preloading
  • Optimistic updates
  • DApp: Decentralized Application
  • Architecture Design: System structure planning
  • Full-stack Development: Frontend + backend + smart contracts