Learn Anchor - 10 Code Examples & CST Typing Practice Test
Anchor is a Rust-based framework for Solana smart contract (program) development, testing, and deployment. It simplifies building Solana dApps by providing a high-level abstraction over Solana programs and client interactions.
Learn ANCHOR with Real Code Examples
Updated Nov 24, 2025
Performance Notes
Local validator is faster for testing than devnet/mainnet
Parallel tests can speed up program verification
Solana network fees (lamports) can impact repeated deployments
IDL reduces runtime client errors and improves efficiency
Optimized account layouts reduce compute budget usage
Security Notes
Validate accounts and PDA derivations
Never hardcode private keys in client scripts
Audit program logic before mainnet deployment
Monitor transaction logs for unexpected states
Follow Solana program best practices for security
Monitoring Analytics
Monitor transaction success/failures
Track account state changes
Log compute unit usage for programs
Audit program migrations
Visualize testing and deployment metrics
Code Quality
Follow Rust coding best practices
Use macros for boilerplate reduction
Document program logic and accounts
Maintain test coverage for instructions
Validate programs on local validator before mainnet
Frequently Asked Questions about Anchor
What is Anchor?
Anchor is a Rust-based framework for Solana smart contract (program) development, testing, and deployment. It simplifies building Solana dApps by providing a high-level abstraction over Solana programs and client interactions.
What are the primary use cases for Anchor?
Writing Solana smart contracts in Rust. Generating client interfaces (IDL) for programs. Testing programs with simulated Solana clusters. Deploying Solana programs to devnet/testnet/mainnet. Automating transactions and client-side interactions
What are the strengths of Anchor?
Reduces boilerplate and enforces best practices. Simplifies account and PDA management. Strong testing support with local validator. IDL provides type-safe client interaction. Large adoption in Solana DeFi and NFT projects
What are the limitations of Anchor?
Only for Solana blockchain. Requires familiarity with Rust programming. Program size limitations dictated by Solana. Learning curve for Anchor-specific macros and patterns. Smaller ecosystem compared to Ethereum tooling like Hardhat/Brownie
How can I practice Anchor typing speed?
CodeSpeedTest offers 10+ real Anchor code examples for typing practice. You can measure your WPM, track accuracy, and improve your coding speed with guided exercises.