@Caldera Official and use hashtag #Caldera

Sure! Here's an original post for Binance Square that meets all the requirements:

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L2 just got a major upgrade! 🚀 @Caldera Official makes it easy to launch high-performance appchains with blazing speed and scalability. With #caldera, devs can focus on building while Caldera handles the infra. Bullish on the future of \$ERA and modular blockchains! 🔧⚡

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Let me know if you'd like a more technical, humorous, or beginner-friendly version!