Transfer Fees, Metadata, and Soulbound Tokens: A Tour of Solana Token Extensions
Lymah
I spent the past week building tokens on Solana. Not wrapping existing ones, not swapping — actually creating token mints from scratch, attaching economic rules to them at the protocol level, and watching a blockchain reject a transaction I told it to make. This post walks through what I built, what surprised me, and why the Token Extensions Program changes how I think about on-chain rules. Where I Started My background is Web2. I know how platforms build internal currencies — a database table f