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11 pages in this section.
How common Solana program design patterns fit together: access control, initialization, fees and treasuries, state machines, and time - one blueprint for durable on-chain behavior.
Learn 10 essential on-chain program patterns, including account initialization, PDA custody, authority checks, state machines, and fee collection.
Learn secure patterns for Solana account initialization, including how to prevent reinitialization attacks, account substitution, and discriminator omission.
Learn how to build secure Solana vaults and escrows using PDAs to custody and release SOL or SPL tokens. Prevent common exploits with checks-effects-interactions.
Implement on-chain fee and treasury patterns for Solana programs. Learn to calculate fees, route them to treasuries, and avoid common pitfalls.
Use the Clock sysvar to implement time-based rules for Solana programs. Learn to handle expiries, vesting, and rate limits with slots and timestamps.
Learn best practices for Solana program patterns covering initialization, custody, state, and upgrades to build secure, composable, and upgradeable programs.
A single-page roundup of every highlight bullet from the 10 pages in the Program Patterns section, grouped by source page so you can scan all 56 takeaways without opening each article individually.