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11 pages in this section.
How Solana transactions bundle instructions, declare accounts, expire with blockhashes, and pay base and priority fees - the model behind reliable landing.
Instructions, signers, blockhash, and atomicity.
Program IDs, account metas, and instruction data.
The v0 format and why it matters.
Requesting CU limits and setting CU price.
Local fee markets and prioritizing your transaction.
Recent blockhashes, durable nonces, and retries.
Pre-flight simulation and error decoding.
Reliable, cost-efficient transaction landing.