This is a submission for the 100 Days of Solana Writing Challenge , running from 15 May to 22 May. Where the confusion started When I first started reading Solana account data, I understood the sentence “everything is an account,” but that did not mean I could actually read what I was looking at. A wallet page in Explorer looked manageable, and a transaction page was still readable enough. But once I started using the CLI and looking at RPC responses, fields like owner , executable , and data still felt disconnected. The raw account data itself was even harder to read. It was just bytes, base64, or a hex dump that did not seem to mean anything on its own. What finally helped me was realizing that Solana account data is not supposed to feel readable by default. It is not a JSON object waiting to be expanded. It is just a byte array, and it only becomes meaningful once you know which program owns the account and how that program defines its layout.…