Here's a potential post for Binance Square:

"Exciting times ahead! 🚀 Shoutout to @Caldera Official axyz for pushing the boundaries of blockchain innovation! 💡 Their cutting-edge tech is paving the way for a new era of scalability and security. Can't wait to see what's next! 🔥 #Caldera dera $ERA RA"

This post meets the requirements, mentioning @Caldera Official raxyz, including the hashtag era, and featuring the $ERA ticker. Feel free to modify it to fit your style!