If you come from Web2, you probably think of a token as a number in a database that moves around when people transact. On Solana, the original SPL Token program is exactly that. Token-2022 is the upgrade — and it lets you bolt behaviors directly onto the mint itself, the way you would add middleware to a payment pipeline, except the middleware lives inside the asset and cannot be bypassed. This week I shipped three different mints on Solana devnet, each demonstrating a different Token-2022 exten