Hi! I'm a mobile developer (Kotlin by day), and a couple of weeks ago I started a side project with a simple, slightly audacious idea: a chat where sending a message costs money — and the recipient gets paid . You write "hi", you pay. Someone writes to you, you earn. This is the story of how "what if attention literally had a price" became a working Telegram Mini App with real on-chain transactions — and the rakes I stepped on along the way, from app store rules to the anatomy of TON gas. An...