The first time I sent a Solana transaction, I expected it to behave like a normal API request: Send request → wait → success/failure. But after debugging failed transactions on devnet, inspecting logs in Solana Explorer, and manually tracking confirmations, I realised Solana transactions behave much more like database commits than HTTP calls. That mental model shift finally made blockchain development click for me. A Solana Transaction Is More Than a Request A transaction contains: signat...