Lectura rápida
Empieza por la explicación más corta y útil antes de profundizar.
The three transaction confirmation tiers exposed by Solana RPC: 'processed' (transaction executed by leader, not yet voted on), 'confirmed' (optimistic confirmation—66.7%+ stake voted, ~400ms), and 'finalized' (rooted—31+ confirmations, ~12-13s). Applications choose the level based on their security vs. latency requirements.