Four weeks into #100DaysOfSolana, I finally stopped treating Solana Explorer as "just a checker" and started using it as a learning tool. Here is what changed.
The Moment It Clicked
I had been writing scripts for days, fetching balances, decoding mint accounts byte by byte, inspecting sysvars from the CLI. I thought I understood the account model. Then I pasted one of my own devnet transaction signatures into Solana Explorer and saw everything I had been doing in code laid out visually.
The instruction logs showed exactly which programs were invoked. The accounts panel listed every account touched, including ones I had not explicitly referenced in my code. The fee was right there: 5,000 lamports. Finalized in under a second.
Reading it felt like opening DevTools and finally seeing the network tab. That feeling of "oh, so THAT is what my code was actually doing" hit me all at once.
Three Things I Noticed
1. Programs are just accounts too.
When I searched the Token Program (TokenkegQfeZyiNwAJbNbGKPFXCWuBvf9Ss623VQ5DA), Explorer showed it like any other account, with an owner, a balance, and a data field. The only difference was Executable: true. That one boolean is what separates a wallet from a smart contract on Solana. Reading it in docs is one thing. Seeing it sitting right there in the UI next to your own wallet is something else entirely.
2. Everything is public and that is the point.
On mainnet I searched the Token 2022 program and watched live transactions roll in. Swaps, mints, transfers, all visible, all readable, no login required. In Web2 you would need database access to see any of this. Here transparency is just the default. That shift still surprises me every time I think about it.
3. The explorer is your debugger.
When a transaction fails on Solana, the instruction logs tell you exactly which instruction failed and why. I had a failed transfer sitting in my devnet history and expanding the logs showed the exact error: insufficient lamports. The same information was in my terminal but the Explorer made it so much easier to see which account caused the problem and trace what went wrong step by step.
Which Explorer?
I have been using Solana Explorer (the official one) for most of my devnet work. It is clean, handles devnet and mainnet switching easily, and the raw transaction view is great when you are still learning how everything fits together. Solscan feels better for mainnet work because labeled accounts and token flows are easier to follow there.
If you are early in your Solana journey, bookmark Explorer and open it every single time you send a transaction. Do not just check if it succeeded. Expand everything. Click into the accounts. Read the logs. It will teach you more than staring at docs ever will.
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