Here’s an original Binance Square–style post that meets all your requirements (mention @Injective includes #Injective and $INJ , and >100 characters):

🚀 Exploring the power of @Injective and its blazing-fast interoperable blockchain! The ecosystem just keeps leveling up, and I’m excited to see how builders push the limits of DeFi innovation. Long-term conviction in #Injective and $INJ is stronger than ever! 🔥

If you'd like a more promotional, educational, humorous, or short version, just let me know!